Ryuji Higashi

Person

Shzuoka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Polymer dye for detecting hydrogen peroxide and structure for detec...
- Patent number 12,140,549
- Issue date Nov 12, 2024
- Canon Kabushiki Kaisha
- Keigo Mizusawa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Liquid composition
- Patent number 12,057,601
- Issue date Aug 6, 2024
- Ricoh Company, Ltd.
- Kohji Matsuoka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Inorganic particle layer, electrode, electrode element, and non-aqu...
- Patent number 11,955,640
- Issue date Apr 9, 2024
- Ricoh Company, Ltd.
- Yuu Zama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Liquid composition, method of manufacturing electrodes and method o...
- Patent number 11,807,783
- Issue date Nov 7, 2023
- Ricoh Company, Ltd.
- Hiromitsu Kawase
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Liquid composition and method for producing electrochemical device
- Patent number 11,545,308
- Issue date Jan 3, 2023
- Ricoh Company, Ltd.
- Kohji Matsuoka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Polymer
- Patent number 10,808,059
- Issue date Oct 20, 2020
- Canon Kabushiki Kaisha
- Yutaka Tani
- G01 - MEASURING TESTING
Information Patent Grant
Electrophotographic photosensitive member, electrophotographic appa...
- Patent number 10,761,442
- Issue date Sep 1, 2020
- Canon Kabushiki Kaisha
- Koichi Nakata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Pigment dispersion, method for manufacturing toner, aqueous ink, an...
- Patent number 10,678,156
- Issue date Jun 9, 2020
- Canon Kabushiki Kaisha
- Akiko Kitao
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photosensitive member, electrophotographic appa...
- Patent number 10,670,979
- Issue date Jun 2, 2020
- Canon Kabushiki Kaisha
- Koichi Nakata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Polymer
- Patent number 10,577,481
- Issue date Mar 3, 2020
- Canon Kabushiki Kaisha
- Masanori Seki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Aqueous ink, ink cartridge and ink jet recording method
- Patent number 9,593,250
- Issue date Mar 14, 2017
- Canon Kabushiki Kaisha
- Takakazu Mizutani
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Aqueous ink, ink cartridge and ink jet recording method
- Patent number 9,534,127
- Issue date Jan 3, 2017
- Canon Kabushiki Kaisha
- Mikio Sanada
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Production process for self-dispersible pigment, self-dispersible p...
- Patent number 9,458,323
- Issue date Oct 4, 2016
- Canon Kabushiki Kaisha
- Ryuji Higashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Production process for self-dispersible pigment, self-dispersible p...
- Patent number 9,441,128
- Issue date Sep 13, 2016
- Canon Kabushiki Kaisha
- Ryuji Higashi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production process for self-dispersible pigment, self-dispersible p...
- Patent number 9,403,989
- Issue date Aug 2, 2016
- Canon Kabushiki Kaisha
- Taiki Watanabe
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Production process for self-dispersible pigment, self-dispersible p...
- Patent number 9,371,462
- Issue date Jun 21, 2016
- Canon Kabushiki Kaisha
- Taiki Watanabe
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Toner and method of producing toner
- Patent number 9,244,373
- Issue date Jan 26, 2016
- Canon Kabushiki Kaisha
- Akiko Kitao
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Toner and toner production method
- Patent number 8,927,185
- Issue date Jan 6, 2015
- Canon Kabushiki Kaisha
- Ryuji Higashi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Toner production process and toner
- Patent number 8,697,327
- Issue date Apr 15, 2014
- Canon Kabushiki Kaisha
- Takaho Shibata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Polymeric compound containing composition, and image forming proces...
- Patent number 8,450,393
- Issue date May 28, 2013
- Canon Kabushiki Kaisha
- Keiichiro Tsubaki
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Method for producing liquid composition and pigment particles and i...
- Patent number 8,177,902
- Issue date May 15, 2012
- Canon Kabushiki Kaisha
- Kazumichi Nakahama
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Method for producing liquid composition and pigment particles and i...
- Patent number 7,914,616
- Issue date Mar 29, 2011
- Canon Kabushiki Kaisha
- Kazumichi Nakahama
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Liquid-composition set, and liquid-applying method and liquid-apply...
- Patent number 7,866,806
- Issue date Jan 11, 2011
- Canon Kabushiki Kaisha
- Koichi Sato
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Aqueous dispersion of fine resin particles, method for producing aq...
- Patent number 7,833,687
- Issue date Nov 16, 2010
- Canon Kabushiki Kaisha
- Masayoshi Kato
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Preparation process of pigment dispersion, image forming process an...
- Patent number 7,754,000
- Issue date Jul 13, 2010
- Canon Kabushiki Kaisha
- Kazumichi Nakahama
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Image-forming method employing a composition
- Patent number 7,704,414
- Issue date Apr 27, 2010
- Canon Kabushiki Kaisha
- Koichi Sato
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Amphiphilic block copolymer, polymer-containing composition contain...
- Patent number 7,601,790
- Issue date Oct 13, 2009
- Canon Kabushiki Kaisha
- Koichi Sato
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymerizable compound, polymer compound, composition using the sam...
- Patent number 7,598,332
- Issue date Oct 6, 2009
- Canon Kabushiki Kaisha
- Masayuki Ikegami
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Block polymer compound, polymer-containing composition that contain...
- Patent number 7,585,918
- Issue date Sep 8, 2009
- Canon Kabushiki Kaisha
- Koichi Sato
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymer compound, process for producing the same, polymer-containin...
- Patent number 7,563,853
- Issue date Jul 21, 2009
- Canon Kabushiki Kaisha
- Keiichiro Tsubaki
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF MANUFACTURING ELECTRODE, COMPOSITE ELECTRODE, ELECTROCHEM...
- Publication number 20250183263
- Publication date Jun 5, 2025
- RICOH COMPANY, LTD.
- Shun Goto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIQUID COMPSITION, INSULATING RESIN LAYER, ELECTRODE FOR ELECTROCHE...
- Publication number 20250179324
- Publication date Jun 5, 2025
- RICOH COMPANY, LTD.
- Ryuji Higashi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
LAMINATE FOR SOLID STATE ELECTROCHEMICAL ELEMENT, SOLID STATE ELECT...
- Publication number 20250182925
- Publication date Jun 5, 2025
- RICOH COMPANY, LTD.
- Kayato Ohya
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POLYMER DYE FOR DETECTING HYDROGEN PEROXIDE AND HYDROGEN PEROXIDE D...
- Publication number 20250027882
- Publication date Jan 23, 2025
- Canon Kabushiki Kaisha
- Keigo Mizusawa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
METHOD OF MANUFACTURING ELECTRODE, ELECTRODE, ELECTRODE MANUFACTURI...
- Publication number 20240313191
- Publication date Sep 19, 2024
- RICOH COMPANY, LTD.
- Shun Goto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
BINDER, LIQUID COMPOSITION, STORAGE CONTAINER, ELECTRODE PRODUCTION...
- Publication number 20240297308
- Publication date Sep 5, 2024
- RICOH COMPANY, LTD.
- Toshiya Sagisaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIQUID COMPOSITION FOR ELECTRODE, STORAGE CONTAINER, ELECTRODE MANU...
- Publication number 20240021825
- Publication date Jan 18, 2024
- RICOH COMPANY, LTD.
- Kohji Matsuoka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRODE, ELECTROCHEMICAL ELEMENT, LIQUID COMPOSITION, AND METHOD...
- Publication number 20230290951
- Publication date Sep 14, 2023
- Daisuke NOSE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIQUID COMPOSITION, LIQUID COMPOSITION FOR INKJET DISCHARGING, DEVI...
- Publication number 20230272239
- Publication date Aug 31, 2023
- Kayato OHYA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRODE, METHOD OF MANUFACTURING THE SAME, AND ELECTROCHEMICAL DE...
- Publication number 20220407074
- Publication date Dec 22, 2022
- RICOH COMPANY, LTD.
- Masahiro MASUZAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIQUID COMPOSITION
- Publication number 20220013865
- Publication date Jan 13, 2022
- RICOH COMPANY , LTD.
- Kohji MATSUOKA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
INORGANIC PARTICLE LAYER, ELECTRODE, ELECTRODE ELEMENT, AND NON-AQU...
- Publication number 20210320342
- Publication date Oct 14, 2021
- Yuu ZAMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIQUID COMPOSITION, METHOD OF MANUFACTURING ELECTRODES AND METHOD O...
- Publication number 20210261796
- Publication date Aug 26, 2021
- RICOH COMPANY, LTD.
- Hiromitsu KAWASE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIQUID COMPOSITION AND METHOD FOR PRODUCING ELECTROCHEMICAL DEVICE
- Publication number 20210159023
- Publication date May 27, 2021
- Kohji MATSUOKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIQUID COMPOSITION, METHOD OF DISCHARGING LIQUID, METHOD OF MANUFAC...
- Publication number 20210159494
- Publication date May 27, 2021
- Ryuji HIGASHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TONER
- Publication number 20210132519
- Publication date May 6, 2021
- Canon Kabushiki Kaisha
- Akira Hashimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POLYMER DYE FOR DETECTING HYDROGEN PEROXIDE AND STRUCTURE FOR DETEC...
- Publication number 20210096081
- Publication date Apr 1, 2021
- Canon Kabushiki Kaisha
- Keigo Mizusawa
- G01 - MEASURING TESTING
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, ELECTROPHOTOGRAPHIC APPA...
- Publication number 20190391504
- Publication date Dec 26, 2019
- Canon Kabushiki Kaisha
- Koichi Nakata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DETECTION KIT AND DETECTION METHOD
- Publication number 20190302111
- Publication date Oct 3, 2019
- Canon Kabushiki Kaisha
- Tatsuo Takeuchi
- G01 - MEASURING TESTING
Information Patent Application
POLYMER
- Publication number 20180355086
- Publication date Dec 13, 2018
- Canon Kabushiki Kaisha
- Yutaka Tani
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, ELECTROPHOTOGRAPHIC APPA...
- Publication number 20180335708
- Publication date Nov 22, 2018
- Canon Kabushiki Kaisha
- Koichi Nakata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POLYMER
- Publication number 20180305522
- Publication date Oct 25, 2018
- Canon Kabushiki Kaisha
- Masanori Seki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PIGMENT DISPERSION, METHOD FOR MANUFACTURING TONER, AQUEOUS INK, AN...
- Publication number 20180275545
- Publication date Sep 27, 2018
- Canon Kabushiki Kaisha
- Akiko Kitao
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PRODUCTION PROCESS FOR SELF-DISPERSIBLE PIGMENT, SELF-DISPERSIBLE P...
- Publication number 20150376426
- Publication date Dec 31, 2015
- Canon Kabushiki Kaisha
- Taiki Watanabe
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
AQUEOUS INK, INK CARTRIDGE AND INK JET RECORDING METHOD
- Publication number 20150376427
- Publication date Dec 31, 2015
- Canon Kabushiki Kaisha
- Takakazu Mizutani
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
AQUEOUS INK, INK CARTRIDGE AND INK JET RECORDING METHOD
- Publication number 20150376428
- Publication date Dec 31, 2015
- Canon Kabushiki Kaisha
- Mikio Sanada
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
PRODUCTION PROCESS FOR SELF-DISPERSIBLE PIGMENT, SELF-DISPERSIBLE P...
- Publication number 20150376429
- Publication date Dec 31, 2015
- Canon Kabushiki Kaisha
- Ryuji Higashi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
PRODUCTION PROCESS FOR SELF-DISPERSIBLE PIGMENT, SELF-DISPERSIBLE...
- Publication number 20150376416
- Publication date Dec 31, 2015
- Canon Kabushiki Kaisha
- Taiki Watanabe
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
PRODUCTION PROCESS FOR SELF-DISPERSIBLE PIGMENT, SELF-DISPERSIBLE P...
- Publication number 20150376413
- Publication date Dec 31, 2015
- Canon Kabushiki Kaisha
- Ryuji Higashi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
COLORING COMPOUND AND INK, COLOR FILTER RESIST COMPOSITION, AND THE...
- Publication number 20150159019
- Publication date Jun 11, 2015
- Canon Kabushiki Kaisha
- Akiko Kitao
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Ryuji Higashi

Person

Patents Grantslast 30 patents

Polymer dye for detecting hydrogen peroxide and structure for detec...

Liquid composition

Inorganic particle layer, electrode, electrode element, and non-aqu...

Liquid composition, method of manufacturing electrodes and method o...

Liquid composition and method for producing electrochemical device

Polymer

Electrophotographic photosensitive member, electrophotographic appa...

Pigment dispersion, method for manufacturing toner, aqueous ink, an...

Electrophotographic photosensitive member, electrophotographic appa...

Polymer

Aqueous ink, ink cartridge and ink jet recording method

Aqueous ink, ink cartridge and ink jet recording method

Production process for self-dispersible pigment, self-dispersible p...

Production process for self-dispersible pigment, self-dispersible p...

Production process for self-dispersible pigment, self-dispersible p...

Production process for self-dispersible pigment, self-dispersible p...

Toner and method of producing toner

Toner and toner production method

Toner production process and toner

Polymeric compound containing composition, and image forming proces...

Method for producing liquid composition and pigment particles and i...

Method for producing liquid composition and pigment particles and i...

Liquid-composition set, and liquid-applying method and liquid-apply...

Aqueous dispersion of fine resin particles, method for producing aq...

Preparation process of pigment dispersion, image forming process an...

Image-forming method employing a composition

Amphiphilic block copolymer, polymer-containing composition contain...

Polymerizable compound, polymer compound, composition using the sam...

Block polymer compound, polymer-containing composition that contain...

Polymer compound, process for producing the same, polymer-containin...

Patents Applicationslast 30 patents

METHOD OF MANUFACTURING ELECTRODE, COMPOSITE ELECTRODE, ELECTROCHEM...

LIQUID COMPSITION, INSULATING RESIN LAYER, ELECTRODE FOR ELECTROCHE...

LAMINATE FOR SOLID STATE ELECTROCHEMICAL ELEMENT, SOLID STATE ELECT...

POLYMER DYE FOR DETECTING HYDROGEN PEROXIDE AND HYDROGEN PEROXIDE D...

METHOD OF MANUFACTURING ELECTRODE, ELECTRODE, ELECTRODE MANUFACTURI...

BINDER, LIQUID COMPOSITION, STORAGE CONTAINER, ELECTRODE PRODUCTION...

LIQUID COMPOSITION FOR ELECTRODE, STORAGE CONTAINER, ELECTRODE MANU...

ELECTRODE, ELECTROCHEMICAL ELEMENT, LIQUID COMPOSITION, AND METHOD...

LIQUID COMPOSITION, LIQUID COMPOSITION FOR INKJET DISCHARGING, DEVI...

ELECTRODE, METHOD OF MANUFACTURING THE SAME, AND ELECTROCHEMICAL DE...

LIQUID COMPOSITION

INORGANIC PARTICLE LAYER, ELECTRODE, ELECTRODE ELEMENT, AND NON-AQU...

LIQUID COMPOSITION, METHOD OF MANUFACTURING ELECTRODES AND METHOD O...

LIQUID COMPOSITION AND METHOD FOR PRODUCING ELECTROCHEMICAL DEVICE

LIQUID COMPOSITION, METHOD OF DISCHARGING LIQUID, METHOD OF MANUFAC...

TONER

POLYMER DYE FOR DETECTING HYDROGEN PEROXIDE AND STRUCTURE FOR DETEC...

ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, ELECTROPHOTOGRAPHIC APPA...

DETECTION KIT AND DETECTION METHOD

POLYMER

ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, ELECTROPHOTOGRAPHIC APPA...

POLYMER

PIGMENT DISPERSION, METHOD FOR MANUFACTURING TONER, AQUEOUS INK, AN...

PRODUCTION PROCESS FOR SELF-DISPERSIBLE PIGMENT, SELF-DISPERSIBLE P...

AQUEOUS INK, INK CARTRIDGE AND INK JET RECORDING METHOD

AQUEOUS INK, INK CARTRIDGE AND INK JET RECORDING METHOD

PRODUCTION PROCESS FOR SELF-DISPERSIBLE PIGMENT, SELF-DISPERSIBLE P...

PRODUCTION PROCESS FOR SELF-DISPERSIBLE PIGMENT, SELF-DISPERSIBLE...

PRODUCTION PROCESS FOR SELF-DISPERSIBLE PIGMENT, SELF-DISPERSIBLE P...

COLORING COMPOUND AND INK, COLOR FILTER RESIST COMPOSITION, AND THE...