Hitoshi Iwatsuki

Person

Numadu-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Resin powder for solid freeform fabrication, device for solid freef...
- Patent number 12,208,571
- Issue date Jan 28, 2025
- Ricoh Company, Ltd.
- Akira Saito
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Resin powder for solid freeform fabrication, device for solid freef...
- Patent number 11,926,931
- Issue date Mar 12, 2024
- Ricoh Company, Ltd.
- Akira Saito
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Fiber aggregation, short fiber and method of manufacturing the same...
- Patent number 11,590,685
- Issue date Feb 28, 2023
- Ricoh Company, Ltd.
- Sohichiroh Iida
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Resin particle producing method
- Patent number 11,504,883
- Issue date Nov 22, 2022
- Ricoh Company, Ltd.
- Nozomu Tamoto
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Resin powder for solid freeform fabrication, device for solid freef...
- Patent number 11,491,713
- Issue date Nov 8, 2022
- Ricoh Company, Ltd.
- Akira Saito
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Powder for solid freeform fabrication and method of manufacturing s...
- Patent number 11,472,958
- Issue date Oct 18, 2022
- Ricoh Company, Ltd.
- Mitsuru Naruse
- B33 - ADDITIVE MANUFACTURING TECHNOLOGY
Information Patent Grant
Resin powder and method of manufacturing solid freeform fabrication...
- Patent number 11,458,676
- Issue date Oct 4, 2022
- Ricoh Company, Ltd.
- Kiichi Kamoda
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Resin powder, device for solid freeform fabrication object, and met...
- Patent number 11,241,825
- Issue date Feb 8, 2022
- Ricoh Company, Ltd.
- Yunsheng Sun
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Resin powder having pillar shape and specific circularity for solid...
- Patent number 11,066,758
- Issue date Jul 20, 2021
- Ricoh Company, Ltd.
- Akira Saito
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Resin powder for solid freeform fabrication, device for fabricating...
- Patent number 11,052,649
- Issue date Jul 6, 2021
- Ricoh Company, Ltd.
- Akira Saito
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Particle for solid freeform fabrication, powder for solid freeform...
- Patent number 11,045,978
- Issue date Jun 29, 2021
- Ricoh Company, Ltd.
- Hitoshi Iwatsuki
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Resin powder for solid freeform fabrication and device for solid fr...
- Patent number 10,800,096
- Issue date Oct 13, 2020
- Ricoh Company, Ltd.
- Sohichiroh Iida
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Three-dimensional object fabrication method, fabrication apparatus,...
- Patent number 10,682,808
- Issue date Jun 16, 2020
- Ricoh Company, Ltd.
- Takashi Fujita
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Material set for manufacturing glass object, liquid material for ma...
- Patent number 10,233,110
- Issue date Mar 19, 2019
- Ricoh Company, Ltd.
- Takeo Yamaguchi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Developing device and image forming apparatus
- Patent number 10,197,948
- Issue date Feb 5, 2019
- Ricoh Company, Ltd.
- Hitoshi Iwatsuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrostatic latent image developing white developer, image formin...
- Patent number 10,067,438
- Issue date Sep 4, 2018
- Ricoh Company, Ltd.
- Yoshihiro Murasawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder material for three-dimensional modeling, material set for 3D...
- Patent number 10,030,154
- Issue date Jul 24, 2018
- Ricoh Company, Ltd.
- Mitsuru Naruse
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Powder material for three dimensional modeling, kit for three dimen...
- Patent number 9,873,228
- Issue date Jan 23, 2018
- Ricoh Company, Ltd.
- Yasuo Suzuki
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Powder material for three-dimensional modeling, kit for three-dimen...
- Patent number 9,782,935
- Issue date Oct 10, 2017
- Ricoh Company, Ltd.
- Yasuyuki Yamashita
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Powder for 3D modeling, set for 3D modeling, method of manufacturin...
- Patent number 9,708,502
- Issue date Jul 18, 2017
- Ricoh Company, Ltd.
- Mitsuru Naruse
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Carrier, two-component developer, supplemental developer, image for...
- Patent number 9,519,234
- Issue date Dec 13, 2016
- Ricoh Company, Ltd.
- Hiroyuki Kishida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Carrier for developing an electrostatic latent image, developer and...
- Patent number 9,304,427
- Issue date Apr 5, 2016
- Ricoh Company, Ltd.
- Hitoshi Iwatsuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Carrier for two-component developer, two-component developer using...
- Patent number 9,298,119
- Issue date Mar 29, 2016
- Ricoh Company, Ltd.
- Shigenori Yaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Replenishing developer housing container and image forming apparatus
- Patent number 9,261,817
- Issue date Feb 16, 2016
- Ricoh Company, Ltd.
- Hitoshi Iwatsuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Carrier for two-component developer, two-component developer using...
- Patent number 9,229,347
- Issue date Jan 5, 2016
- Ricoh Company, Ltd.
- Hiroyuki Kishida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Carrier for developing electrostatic latent image, and electrostati...
- Patent number 9,146,487
- Issue date Sep 29, 2015
- Ricoh Company, Ltd.
- Toyoshi Sawada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Carrier, developer using the carrier, and developing device, image...
- Patent number 9,029,061
- Issue date May 12, 2015
- Ricoh Company, Limited
- Koichi Sakata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming method and image forming apparatus
- Patent number 8,918,025
- Issue date Dec 23, 2014
- Ricoh Company, Ltd.
- Hiroshi Tohmatsu
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Carrier for developing electrostatic latent image, tow-component de...
- Patent number 8,916,325
- Issue date Dec 23, 2014
- Ricoh Company, Ltd.
- Shigenori Yaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device, image forming apparatus, and process cartridge
- Patent number 8,903,270
- Issue date Dec 2, 2014
- Ricoh Company, Ltd.
- Koichi Sakata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF MANUFACTURING SOLID FREEFORM FABRICATION OBJECT AND DEVIC...
- Publication number 20220176625
- Publication date Jun 9, 2022
- RICOH COMPANY, LTD.
- Kiichi Kamoda
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
RESIN POWDER FOR SOLID FREEFORM FABRICATION, DEVICE FOR SOLID FREEF...
- Publication number 20220048245
- Publication date Feb 17, 2022
- RICOH COMPANY, LTD.
- Akira Saito
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
RESIN POWDER FOR SOLID FREEFORM FABRICATION AND DEVICE FOR SOLID FR...
- Publication number 20210402680
- Publication date Dec 30, 2021
- RICOH COMPANY, LTD.
- Nozomu Tamoto
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
RESIN POWDER FOR SOLID FREEFORM FABRICATION, DEVICE FOR SOLID FREEF...
- Publication number 20210317601
- Publication date Oct 14, 2021
- Akira Saito
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
RESIN POWDER AND RESIN POWDER FOR PRODUCING THREE-DIMENSIONAL OBJEC...
- Publication number 20210291438
- Publication date Sep 23, 2021
- RICOH COMPANY, LTD.
- Hitoshi IWATSUKI
- B33 - ADDITIVE MANUFACTURING TECHNOLOGY
Information Patent Application
RESIN POWDER FOR SOLID FREEFORM FABRICATION, DEVICE FOR FABRICATING...
- Publication number 20210283895
- Publication date Sep 16, 2021
- Akira SAITO
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
RESIN POWDER FOR SOLID FREEFORM FABRICATION, DEVICE FOR FABRICATING...
- Publication number 20210023778
- Publication date Jan 28, 2021
- Sohichiroh IIDA
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
RESIN PARTICLE PRODUCING METHOD
- Publication number 20200398458
- Publication date Dec 24, 2020
- Nozomu TAMOTO
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
RESIN POWDER AND METHOD OF MANUFACTURING SOLID FREEFORM FABRICATION...
- Publication number 20200114574
- Publication date Apr 16, 2020
- Kiichi KAMODA
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
RESIN POWDER, METHOD OF MANUFACTURING SOLID FREEFORM FABRICATION OB...
- Publication number 20200079011
- Publication date Mar 12, 2020
- Hitoshi IWATSUKI
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
RESIN POWDER, DEVICE FOR SOLID FREEFORM FABRICATION OBJECT, AND MET...
- Publication number 20200070412
- Publication date Mar 5, 2020
- Yunsheng SUN
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
FIBER AGGREGATION, SHORT FIBER AND METHOD OF MANUFACTURING THE SAME...
- Publication number 20200070468
- Publication date Mar 5, 2020
- Sohichiroh IIDA
- B32 - LAYERED PRODUCTS
Information Patent Application
RESIN POWDER FOR PRODUCING THREE-DIMENSIONAL OBJECT, THREE-DIMENSIO...
- Publication number 20200016827
- Publication date Jan 16, 2020
- Yasuyuki YAMASHITA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POWDER FOR SOLID FREEFORM FABRICATION, DEVICE FOR MANUFACTURING SOL...
- Publication number 20190241734
- Publication date Aug 8, 2019
- Mitsuru Naruse
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
PARTICLE FOR SOLID FREEFORM FABRICATION, POWDER FOR SOLID FREEFORM...
- Publication number 20190134853
- Publication date May 9, 2019
- Hitoshi IWATSUKI
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
THREE-DIMENSIONAL OBJECT FABRICATION METHOD, FABRICATION APPARATUS,...
- Publication number 20190126538
- Publication date May 2, 2019
- RICOH COMPANY, LTD.
- Takashi FUJITA
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
RESIN POWDER FOR SOLID FREEFORM FABRICATION, DEVICE FOR FABRICATING...
- Publication number 20180355144
- Publication date Dec 13, 2018
- Akira SAITO
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
RESIN POWDER FOR SOLID FREEFORM FABRICATION AND DEVICE FOR SOLID FR...
- Publication number 20180264720
- Publication date Sep 20, 2018
- Nozomu TAMOTO
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
RESIN POWDER FOR SOLID FREEFORM FABRICATION AND DEVICE FOR SOLID FR...
- Publication number 20180264721
- Publication date Sep 20, 2018
- Sohichiroh IIDA
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
METHOD OF MANUFACTURING SOLID FREEFORM FABRICATION OBJECT AND DEVIC...
- Publication number 20180147780
- Publication date May 31, 2018
- Kiichi KAMODA
- B33 - ADDITIVE MANUFACTURING TECHNOLOGY
Information Patent Application
RESIN POWDER FOR SOLID FREEFORM FABRICATION, DEVICE FOR SOLID FREEF...
- Publication number 20180023219
- Publication date Jan 25, 2018
- Akira SAITO
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
RESIN POWDER FOR SOLID FREEFORM FABRICATION, DEVICE FOR SOLID FREEF...
- Publication number 20180022024
- Publication date Jan 25, 2018
- Akira SAITO
- B33 - ADDITIVE MANUFACTURING TECHNOLOGY
Information Patent Application
ELECTROSTATIC LATENT IMAGE DEVELOPING WHITE DEVELOPER, IMAGE FORMIN...
- Publication number 20170329247
- Publication date Nov 16, 2017
- Yoshihiro MURASAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20170248871
- Publication date Aug 31, 2017
- Hitoshi IWATSUKI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
SOLID FREEFORM FABRICATION POWDER MATERIAL, SOLID FREEFORM FABRICAT...
- Publication number 20170209927
- Publication date Jul 27, 2017
- Yasuyuki YAMASHITA
- B33 - ADDITIVE MANUFACTURING TECHNOLOGY
Information Patent Application
MATERIAL SET FOR MANUFACTURING GLASS OBJECT, LIQUID MATERIAL FOR MA...
- Publication number 20160368806
- Publication date Dec 22, 2016
- Takeo YAMAGUCHI
- B33 - ADDITIVE MANUFACTURING TECHNOLOGY
Information Patent Application
POWDER MATERIAL FOR THREE-DIMENSIONAL MODELING, MATERIAL SET FOR TH...
- Publication number 20160288206
- Publication date Oct 6, 2016
- Kazumi OHTAKI
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
POWDER MATERIAL FOR THREE DIMENSIONAL MODELING, KIT FOR THREE DIMEN...
- Publication number 20160271877
- Publication date Sep 22, 2016
- Yasuo Suzuki
- B33 - ADDITIVE MANUFACTURING TECHNOLOGY
Information Patent Application
POWDER MATERIAL FOR THREE-DIMENSIONAL MODELING, MATERIAL SET FOR 3D...
- Publication number 20160272817
- Publication date Sep 22, 2016
- Mitsuru NARUSE
- B33 - ADDITIVE MANUFACTURING TECHNOLOGY
Information Patent Application
POWDER MATERIAL FOR THREE-DIMENSIONAL MODELING, KIT FOR THREE-DIMEN...
- Publication number 20160271879
- Publication date Sep 22, 2016
- Yasuyuki YAMASHITA
- B33 - ADDITIVE MANUFACTURING TECHNOLOGY

Hitoshi Iwatsuki

Person

Patents Grantslast 30 patents

Resin powder for solid freeform fabrication, device for solid freef...

Resin powder for solid freeform fabrication, device for solid freef...

Fiber aggregation, short fiber and method of manufacturing the same...

Resin particle producing method

Resin powder for solid freeform fabrication, device for solid freef...

Powder for solid freeform fabrication and method of manufacturing s...

Resin powder and method of manufacturing solid freeform fabrication...

Resin powder, device for solid freeform fabrication object, and met...

Resin powder having pillar shape and specific circularity for solid...

Resin powder for solid freeform fabrication, device for fabricating...

Particle for solid freeform fabrication, powder for solid freeform...

Resin powder for solid freeform fabrication and device for solid fr...

Three-dimensional object fabrication method, fabrication apparatus,...

Material set for manufacturing glass object, liquid material for ma...

Developing device and image forming apparatus

Electrostatic latent image developing white developer, image formin...

Powder material for three-dimensional modeling, material set for 3D...

Powder material for three dimensional modeling, kit for three dimen...

Powder material for three-dimensional modeling, kit for three-dimen...

Powder for 3D modeling, set for 3D modeling, method of manufacturin...

Carrier, two-component developer, supplemental developer, image for...

Carrier for developing an electrostatic latent image, developer and...

Carrier for two-component developer, two-component developer using...

Replenishing developer housing container and image forming apparatus

Carrier for two-component developer, two-component developer using...

Carrier for developing electrostatic latent image, and electrostati...

Carrier, developer using the carrier, and developing device, image...

Image forming method and image forming apparatus

Carrier for developing electrostatic latent image, tow-component de...

Developing device, image forming apparatus, and process cartridge

Patents Applicationslast 30 patents

METHOD OF MANUFACTURING SOLID FREEFORM FABRICATION OBJECT AND DEVIC...

RESIN POWDER FOR SOLID FREEFORM FABRICATION, DEVICE FOR SOLID FREEF...

RESIN POWDER FOR SOLID FREEFORM FABRICATION AND DEVICE FOR SOLID FR...

RESIN POWDER FOR SOLID FREEFORM FABRICATION, DEVICE FOR SOLID FREEF...

RESIN POWDER AND RESIN POWDER FOR PRODUCING THREE-DIMENSIONAL OBJEC...

RESIN POWDER FOR SOLID FREEFORM FABRICATION, DEVICE FOR FABRICATING...

RESIN POWDER FOR SOLID FREEFORM FABRICATION, DEVICE FOR FABRICATING...

RESIN PARTICLE PRODUCING METHOD

RESIN POWDER AND METHOD OF MANUFACTURING SOLID FREEFORM FABRICATION...

RESIN POWDER, METHOD OF MANUFACTURING SOLID FREEFORM FABRICATION OB...

RESIN POWDER, DEVICE FOR SOLID FREEFORM FABRICATION OBJECT, AND MET...

FIBER AGGREGATION, SHORT FIBER AND METHOD OF MANUFACTURING THE SAME...

RESIN POWDER FOR PRODUCING THREE-DIMENSIONAL OBJECT, THREE-DIMENSIO...

POWDER FOR SOLID FREEFORM FABRICATION, DEVICE FOR MANUFACTURING SOL...

PARTICLE FOR SOLID FREEFORM FABRICATION, POWDER FOR SOLID FREEFORM...

THREE-DIMENSIONAL OBJECT FABRICATION METHOD, FABRICATION APPARATUS,...

RESIN POWDER FOR SOLID FREEFORM FABRICATION, DEVICE FOR FABRICATING...

RESIN POWDER FOR SOLID FREEFORM FABRICATION AND DEVICE FOR SOLID FR...

RESIN POWDER FOR SOLID FREEFORM FABRICATION AND DEVICE FOR SOLID FR...

METHOD OF MANUFACTURING SOLID FREEFORM FABRICATION OBJECT AND DEVIC...

RESIN POWDER FOR SOLID FREEFORM FABRICATION, DEVICE FOR SOLID FREEF...

RESIN POWDER FOR SOLID FREEFORM FABRICATION, DEVICE FOR SOLID FREEF...

ELECTROSTATIC LATENT IMAGE DEVELOPING WHITE DEVELOPER, IMAGE FORMIN...

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

SOLID FREEFORM FABRICATION POWDER MATERIAL, SOLID FREEFORM FABRICAT...

MATERIAL SET FOR MANUFACTURING GLASS OBJECT, LIQUID MATERIAL FOR MA...

POWDER MATERIAL FOR THREE-DIMENSIONAL MODELING, MATERIAL SET FOR TH...

POWDER MATERIAL FOR THREE DIMENSIONAL MODELING, KIT FOR THREE DIMEN...

POWDER MATERIAL FOR THREE-DIMENSIONAL MODELING, MATERIAL SET FOR 3D...

POWDER MATERIAL FOR THREE-DIMENSIONAL MODELING, KIT FOR THREE-DIMEN...