Hiromi Sakaguchi

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Ink set, printer, and printing method
- Patent number 11,964,495
- Issue date Apr 23, 2024
- Ricoh Company, Ltd.
- Hiromi Sakaguchi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Ink, method of manufacturing ink, printing method, and printing device
- Patent number 11,603,478
- Issue date Mar 14, 2023
- Ricoh Company, Ltd.
- Hiroshi Gotou
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Image forming method, image forming apparatus, and method for manuf...
- Patent number 11,267,255
- Issue date Mar 8, 2022
- Ricoh Company, Ltd.
- Shun Saito
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Ink, method for producing ink, method for printing, and printer
- Patent number 11,130,349
- Issue date Sep 28, 2021
- Ricoh Company, Ltd.
- Hiromi Sakaguchi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Liquid discharging device and liquid discharging method
- Patent number 10,919,294
- Issue date Feb 16, 2021
- Ricoh Company, Ltd.
- Takuya Fujita
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Image forming method, image forming apparatus, and method for manuf...
- Patent number 10,723,142
- Issue date Jul 28, 2020
- Ricoh Company, Ltd.
- Shun Saito
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Drying device and image forming apparatus
- Patent number 10,603,929
- Issue date Mar 31, 2020
- Ricoh Company, Ltd.
- Ryota Iwasaki
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink, inkjet recording method, ink cartridge, and image recording de...
- Patent number 10,457,079
- Issue date Oct 29, 2019
- Ricoh Company, Ltd.
- Kaori Toyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method of using recorded matter, recorded matter, and method of man...
- Patent number 10,301,492
- Issue date May 28, 2019
- Ricoh Company, Ltd.
- Hiromi Sakaguchi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Ink, inkjet recording method, ink cartridge, and image recording de...
- Patent number 10,195,885
- Issue date Feb 5, 2019
- Ricoh Company, Ltd.
- Kaori Toyama
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Ink, ink stored container, inkjet recording apparatus, and printed...
- Patent number 10,131,805
- Issue date Nov 20, 2018
- Ricoh Company, Ltd.
- Keita Katoh
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method for manufacturing cleaning blade, cleaning blade, image form...
- Patent number 10,012,944
- Issue date Jul 3, 2018
- Ricoh Company, Ltd.
- Kaori Toyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Set of ink and print medium, inkjet printing method, inkjet printin...
- Patent number 9,938,421
- Issue date Apr 10, 2018
- Ricoh Company, Ltd.
- Yukiko Takamura
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Ink, image forming method, image forming apparatus, and recorded ma...
- Patent number 9,873,809
- Issue date Jan 23, 2018
- Ricoh Company, Ltd.
- Hiroshi Gotou
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Cleaning blade having an elastic body of segmented hardnesses, and...
- Patent number 9,395,676
- Issue date Jul 19, 2016
- Ricoh Company, Ltd.
- Hiromi Sakaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cleaning blade, image forming apparatus, and process cartridge
- Patent number 9,383,713
- Issue date Jul 5, 2016
- Ricoh Company, Ltd.
- Yohta Sakon
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cleaning blade, image forming apparatus and process cartridge
- Patent number 9,342,031
- Issue date May 17, 2016
- Ricoh Company, Ltd.
- Hiromi Sakaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cleaning blade, and image forming apparatus and process cartridge u...
- Patent number 9,244,423
- Issue date Jan 26, 2016
- Ricoh Company, Ltd.
- Masanobu Gondoh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Cleaning blade, image forming apparatus and process cartridge
- Patent number 9,244,424
- Issue date Jan 26, 2016
- Ricoh Company, Ltd.
- Hiromi Sakaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cleaning blade, method for preparing the cleaning blade, and image...
- Patent number 9,207,624
- Issue date Dec 8, 2015
- Ricoh Company, Ltd.
- Kaori Toyama
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Gallium phthalocyanine compound, gallium phthalocyanine composite p...
- Patent number 8,557,489
- Issue date Oct 15, 2013
- Ricoh Company, Ltd.
- Hiromi Sakaguchi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Hydroxygallium phthalocyanine composite pigment, electrophotographi...
- Patent number 8,530,124
- Issue date Sep 10, 2013
- Ricoh Company, Ltd.
- Hiromi Sakaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
INK SET, PRINTER, AND PRINTING METHOD
- Publication number 20220024217
- Publication date Jan 27, 2022
- Hiromi SAKAGUCHI
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
INK, METHOD FOR PRODUCING INK, METHOD FOR PRINTING, AND PRINTER
- Publication number 20200377747
- Publication date Dec 3, 2020
- Hiromi Sakaguchi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
IMAGE FORMING METHOD, IMAGE FORMING APPARATUS, AND METHOD FOR MANUF...
- Publication number 20200238731
- Publication date Jul 30, 2020
- Shun SAITO
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
INK, METHOD OF MANUFACTURING INK, PRINTING METHOD, AND PRINTING DEVICE
- Publication number 20200239714
- Publication date Jul 30, 2020
- Hiroshi GOTOU
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
LIQUID DISCHARGING DEVICE AND LIQUID DISCHARGING METHOD
- Publication number 20190283406
- Publication date Sep 19, 2019
- Takuya FUJITA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
INK, INKJET RECORDING METHOD, INK CARTRIDGE, AND IMAGE RECORDING DE...
- Publication number 20190111715
- Publication date Apr 18, 2019
- Kaori TOYAMA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
DRYING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20190084320
- Publication date Mar 21, 2019
- Ryota Iwasaki
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
INK AND RECORDED MATTER
- Publication number 20180244935
- Publication date Aug 30, 2018
- Hiromi SAKAGUCHI
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
IMAGE FORMING METHOD, IMAGE FORMING APPARATUS, AND METHOD FOR MANUF...
- Publication number 20180126728
- Publication date May 10, 2018
- Shun SAITO
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
METHOD OF USING RECORDED MATTER, RECORDED MATTER, AND METHOD OF MAN...
- Publication number 20180094152
- Publication date Apr 5, 2018
- Hiromi SAKAGUCHI
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
INK, INKJET RECORDING METHOD, INK CARTRIDGE, AND IMAGE RECORDING DE...
- Publication number 20170361632
- Publication date Dec 21, 2017
- Kaori TOYAMA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
INK, PRINTED MATTER, INK STORED CONTAINER, PRINTING APPARATUS, AND...
- Publication number 20170130081
- Publication date May 11, 2017
- Kaori TOYAMA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
INK, INK STORED CONTAINER, INKJET PRINTING METHOD, INKJET PRINTING...
- Publication number 20170121543
- Publication date May 4, 2017
- Hiromi SAKAGUCHI
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
SET OF INK AND PRINT MEDIUM, INKJET PRINTING METHOD, INKJET PRINTIN...
- Publication number 20170022381
- Publication date Jan 26, 2017
- Yukiko Takamura
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
METHOD FOR MANUFACTURING CLEANING BLADE, CLEANING BLADE, IMAGE FORM...
- Publication number 20170017194
- Publication date Jan 19, 2017
- RICOH COMPANY, LTD.
- Kaori TOYAMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
INK, IMAGE FORMING METHOD, IMAGE FORMING APPARATUS, AND RECORDED MA...
- Publication number 20170009092
- Publication date Jan 12, 2017
- Hiroshi Gotou
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
INK, INK STORED CONTAINER, INKJET RECORDING APPARATUS, AND PRINTED...
- Publication number 20160376455
- Publication date Dec 29, 2016
- Keita KATOH
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
CLEANING BLADE, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE
- Publication number 20160033925
- Publication date Feb 4, 2016
- RICOH COMPANY, LTD.
- Yohta Sakon
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CLEANING BLADE, IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE
- Publication number 20160004206
- Publication date Jan 7, 2016
- RICOH COMPANY, LTD.
- Hiromi Sakaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CLEANING BLADE, IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE
- Publication number 20160004207
- Publication date Jan 7, 2016
- RICOH COMPANY, LTD.
- Hiromi Sakaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CLEANING BLADE, AND IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE U...
- Publication number 20150261171
- Publication date Sep 17, 2015
- RICOH COMPANY, LTD.
- Masanobu Gondoh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
CLEANING BLADE, IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE
- Publication number 20150253722
- Publication date Sep 10, 2015
- RICOH COMPANY, LTD.
- Hiromi Sakaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CLEANING BLADE, METHOD FOR PREPARING THE CLEANING BLADE, AND IMAGE...
- Publication number 20150212479
- Publication date Jul 30, 2015
- RICOH COMPANY, LTD.
- Kaori Toyama
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
IMAGE BEARING MEMBER AND IMAGE FORMING METHOD, IMAGE FORMING APPARA...
- Publication number 20120021346
- Publication date Jan 26, 2012
- Norio Nagayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, IMAGE FORMING METHOD, IMAGE FOR...
- Publication number 20110200926
- Publication date Aug 18, 2011
- RICOH COMPANY, LTD.
- Yuuji TANAKA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
HYDROXYGALLIUM PHTHALOCYANINE COMPOSITE PIGMENT, ELECTROPHOTOGRAPHI...
- Publication number 20110159418
- Publication date Jun 30, 2011
- Hiromi SAKAGUCHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
GALLIUM PHTHALOCYANINE COMPOUND, GALLIUM PHTHALOCYANINE COMPOSITE P...
- Publication number 20110159420
- Publication date Jun 30, 2011
- Hiromi Sakaguchi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Hiromi Sakaguchi

Person

Patents Grantslast 30 patents

Ink set, printer, and printing method

Ink, method of manufacturing ink, printing method, and printing device

Image forming method, image forming apparatus, and method for manuf...

Ink, method for producing ink, method for printing, and printer

Liquid discharging device and liquid discharging method

Image forming method, image forming apparatus, and method for manuf...

Drying device and image forming apparatus

Ink, inkjet recording method, ink cartridge, and image recording de...

Method of using recorded matter, recorded matter, and method of man...

Ink, inkjet recording method, ink cartridge, and image recording de...

Ink, ink stored container, inkjet recording apparatus, and printed...

Method for manufacturing cleaning blade, cleaning blade, image form...

Set of ink and print medium, inkjet printing method, inkjet printin...

Ink, image forming method, image forming apparatus, and recorded ma...

Cleaning blade having an elastic body of segmented hardnesses, and...

Cleaning blade, image forming apparatus, and process cartridge

Cleaning blade, image forming apparatus and process cartridge

Cleaning blade, and image forming apparatus and process cartridge u...

Cleaning blade, image forming apparatus and process cartridge

Cleaning blade, method for preparing the cleaning blade, and image...

Gallium phthalocyanine compound, gallium phthalocyanine composite p...

Hydroxygallium phthalocyanine composite pigment, electrophotographi...

Patents Applicationslast 30 patents

INK SET, PRINTER, AND PRINTING METHOD

INK, METHOD FOR PRODUCING INK, METHOD FOR PRINTING, AND PRINTER

IMAGE FORMING METHOD, IMAGE FORMING APPARATUS, AND METHOD FOR MANUF...

INK, METHOD OF MANUFACTURING INK, PRINTING METHOD, AND PRINTING DEVICE

LIQUID DISCHARGING DEVICE AND LIQUID DISCHARGING METHOD

INK, INKJET RECORDING METHOD, INK CARTRIDGE, AND IMAGE RECORDING DE...

DRYING DEVICE AND IMAGE FORMING APPARATUS

INK AND RECORDED MATTER

IMAGE FORMING METHOD, IMAGE FORMING APPARATUS, AND METHOD FOR MANUF...

METHOD OF USING RECORDED MATTER, RECORDED MATTER, AND METHOD OF MAN...

INK, INKJET RECORDING METHOD, INK CARTRIDGE, AND IMAGE RECORDING DE...

INK, PRINTED MATTER, INK STORED CONTAINER, PRINTING APPARATUS, AND...

INK, INK STORED CONTAINER, INKJET PRINTING METHOD, INKJET PRINTING...

SET OF INK AND PRINT MEDIUM, INKJET PRINTING METHOD, INKJET PRINTIN...

METHOD FOR MANUFACTURING CLEANING BLADE, CLEANING BLADE, IMAGE FORM...

INK, IMAGE FORMING METHOD, IMAGE FORMING APPARATUS, AND RECORDED MA...

INK, INK STORED CONTAINER, INKJET RECORDING APPARATUS, AND PRINTED...

CLEANING BLADE, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE

CLEANING BLADE, IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE

CLEANING BLADE, IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE

CLEANING BLADE, AND IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE U...

CLEANING BLADE, IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE

CLEANING BLADE, METHOD FOR PREPARING THE CLEANING BLADE, AND IMAGE...

IMAGE BEARING MEMBER AND IMAGE FORMING METHOD, IMAGE FORMING APPARA...

ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, IMAGE FORMING METHOD, IMAGE FOR...

HYDROXYGALLIUM PHTHALOCYANINE COMPOSITE PIGMENT, ELECTROPHOTOGRAPHI...

GALLIUM PHTHALOCYANINE COMPOUND, GALLIUM PHTHALOCYANINE COMPOSITE P...