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Shigenori Yaguchi
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Patents Grants
last 30 patents
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
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
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 particles, production method thereof, and application thereof...
Patent number
11,242,436
Issue date
Feb 8, 2022
Ricoh Company, Ltd.
Shigenori Yaguchi
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
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
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
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
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
Information
Patent Grant
Developing method and image forming method
Patent number
8,877,418
Issue date
Nov 4, 2014
Ricoh Company, Ltd.
Hisashi Nakajima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device including a developer container with toner partic...
Patent number
8,787,804
Issue date
Jul 22, 2014
Ricoh Company, Ltd.
Hiroyuki Kishida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Carrier for electrostatic latent image developer, electrostatic lat...
Patent number
8,778,587
Issue date
Jul 15, 2014
Ricoh Company, Ltd.
Kimitoshi Yamaguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, image forming method, and process cartridge
Patent number
8,728,696
Issue date
May 20, 2014
Ricoh Company, Ltd.
Saori Yamada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Latent electrostatic image developing carrier, process cartridge an...
Patent number
8,663,892
Issue date
Mar 4, 2014
Ricoh Company, Ltd.
Shigenori Yaguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Carrier, developer, method of manufacturing carrier, developer cont...
Patent number
8,652,735
Issue date
Feb 18, 2014
Ricoh Company, Ltd.
Koichi Sakata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Contact developing method, image forming apparatus, and process car...
Patent number
8,652,738
Issue date
Feb 18, 2014
Ricoh Company, Ltd.
Kimitoshi Yamaguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Carrier for developing electrostatic latent image and developer
Patent number
8,637,218
Issue date
Jan 28, 2014
Ricoh Company, Ltd.
Koichi Sakata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device, image forming method and apparatus, and process...
Patent number
8,524,436
Issue date
Sep 3, 2013
Ricoh Company, Ltd.
Masashi Nagayama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Carrier for developing electrostatic latent image, and two-componen...
Patent number
8,512,928
Issue date
Aug 20, 2013
Rocoh Company, Ltd.
Hiroyuki Kishida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
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, 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 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, 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
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
RESIN PARTICLES, PRODUCTION METHOD THEREOF, AND APPLICATION THEREOF...
Publication number
20190284351
Publication date
Sep 19, 2019
Shigenori YAGUCHI
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
20180264721
Publication date
Sep 20, 2018
Sohichiroh IIDA
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
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
POWDER MATERIAL FOR THREE-DIMENSIONAL MODELING, KIT FOR THREE-DIMEN...
Publication number
20160271879
Publication date
Sep 22, 2016
Yasuyuki YAMASHITA
B33 - ADDITIVE MANUFACTURING TECHNOLOGY
Information
Patent Application
CARRIER, TWO-COMPONENT DEVELOPER, SUPPLEMENTAL DEVELOPER, IMAGE FOR...
Publication number
20150153665
Publication date
Jun 4, 2015
Hiroyuki Kishida
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
REPLENISHING DEVELOPER HOUSING CONTAINER AND IMAGE FORMING APPARATUS
Publication number
20140348552
Publication date
Nov 27, 2014
RICOH COMPANY, LTD.
Hitoshi Iwatsuki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER FOR TWO-COMPONENT DEVELOPER, TWO-COMPONENT DEVELOPER USING...
Publication number
20140248557
Publication date
Sep 4, 2014
Shigenori YAGUCHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER FOR TWO-COMPONENT DEVELOPER, TWO-COMPONENT DEVELOPER USING...
Publication number
20140227638
Publication date
Aug 14, 2014
Hiroyuki KISHIDA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER FOR TWO-COMPONENT DEVELOPER, ELECTROSTATIC LATENT IMAGE DEV...
Publication number
20140080052
Publication date
Mar 20, 2014
Shigenori YAGUCHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER FOR DEVELOPING AN ELECTROSTATIC LATENT IMAGE, DEVELOPER AND...
Publication number
20140072910
Publication date
Mar 13, 2014
Hitoshi IWATSUKI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER FOR DEVELOPING ELECTROSTATIC LATENT IMAGE, AND ELECTROSTATI...
Publication number
20140023966
Publication date
Jan 23, 2014
Toyoshi SAWADA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER FOR DEVELOPING ELECTROSTATIC LATENT IMAGE, TOW-COMPONENT DE...
Publication number
20130252169
Publication date
Sep 26, 2013
Shigenori Yaguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER FOR ELECTROSTATIC LATENT IMAGE DEVELOPER, ELECTROSTATIC LAT...
Publication number
20130101930
Publication date
Apr 25, 2013
Kimitoshi Yamaguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
LATENT ELECTROSTATIC IMAGE DEVELOPING CARRIER, PROCESS CARTRIDGE AN...
Publication number
20130065171
Publication date
Mar 14, 2013
Shigenori Yaguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER FOR DEVELOPING ELECTROSTATIC LATENT IMAGE AND DEVELOPER
Publication number
20130065175
Publication date
Mar 14, 2013
Koichi Sakata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING METHOD AND IMAGE FORMING APPARATUS
Publication number
20130016999
Publication date
Jan 17, 2013
Hiroshi Tohmatsu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING DEVICE, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE
Publication number
20130004209
Publication date
Jan 3, 2013
Hiroyuki KISHIDA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, IMAGE FORMING METHOD, AND PROCESS CARTRIDGE
Publication number
20120237868
Publication date
Sep 20, 2012
Saori Yamada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING DEVICE, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE
Publication number
20120230725
Publication date
Sep 13, 2012
Koichi SAKATA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER FOR DEVELOPING ELECTROSTATIC LATENT IMAGE, AND TWO-COMPONEN...
Publication number
20120064451
Publication date
Mar 15, 2012
Hiroyuki Kishida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER, DEVELOPER, METHOD OF MANUFACTURING CARRIER, DEVELOPER CONT...
Publication number
20120057898
Publication date
Mar 8, 2012
Koichi Sakata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CONTACT DEVELOPING METHOD, IMAGE FORMING APPARATUS, AND PROCESS CAR...
Publication number
20120058423
Publication date
Mar 8, 2012
Kimitoshi Yamaguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING METHOD AND IMAGE FORMING METHOD
Publication number
20120028183
Publication date
Feb 2, 2012
Hisashi NAKAJIMA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY