Kenji Onuma

Person

Machida-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Electrophotographic member and electrophotographic image forming ap...
- Patent number 12,158,711
- Issue date Dec 3, 2024
- Canon Kabushiki Kaisha
- Keisuke Abe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic member and electrophotographic image forming ap...
- Patent number 11,813,883
- Issue date Nov 14, 2023
- Canon Kabushiki Kaisha
- Masahiro Takenaga
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Electrophotographic belt, method for producing the same, and electr...
- Patent number 11,669,027
- Issue date Jun 6, 2023
- Canon Kabushiki Kaisha
- Keiji Karube
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Intermediate transfer member for electrophotography and electrophot...
- Patent number 10,025,232
- Issue date Jul 17, 2018
- Canon Kabushiki Kaisha
- Rieko Sakamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic intermediate transfer member and electrophotogr...
- Patent number 9,720,353
- Issue date Aug 1, 2017
- Canon Kabushiki Kaisha
- Rieko Sakamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Member for electrophotography, process cartridge, and electrophotog...
- Patent number 9,250,546
- Issue date Feb 2, 2016
- Canon Kabushiki Kaisha
- Naoto Kameyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic member, intermediate transfer member, image for...
- Patent number 8,962,133
- Issue date Feb 24, 2015
- Canon Kabushiki Kaisha
- Koichi Sato
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Recording medium, manufacturing process thereof and image forming m...
- Patent number 6,830,790
- Issue date Dec 14, 2004
- Canon Kabushiki Kaisha
- Katsutoshi Misuda
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Recording medium and image forming method utilizing the same
- Patent number 6,696,118
- Issue date Feb 24, 2004
- Canon Kabushiki Kaisha
- Masanobu Asaoka
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Liquid crystal device, image display apparatus and image forming ap...
- Patent number 5,986,736
- Issue date Nov 16, 1999
- Canon Kabushiki Kaisha
- Yasuto Kodera
- G02 - OPTICS
Information Patent Grant
Liquid crystal device and process for production thereof
- Patent number 5,858,482
- Issue date Jan 12, 1999
- Canon Kabushiki Kaisha
- Kazuya Ishiwata
- G02 - OPTICS
Information Patent Grant
Method of making ferroelectric liquid crystal device using particle...
- Patent number 5,835,248
- Issue date Nov 10, 1998
- Canon Kabushiki Kaisha
- Yukio Hanyu
- G02 - OPTICS
Information Patent Grant
Ferroelectric liquid crystal device with uneven surface under align...
- Patent number 5,764,327
- Issue date Jun 9, 1998
- Canon Kabushiki Kaisha
- Yukio Hanyu
- G02 - OPTICS
Information Patent Grant
Apparatus for spraying particulate material in an evaporatable disp...
- Patent number 5,749,973
- Issue date May 12, 1998
- Canon Kabushiki Kaisha
- Akihiko Komura
- G02 - OPTICS
Information Patent Grant
Ferroelectric liquid crystal device and process for production thereof
- Patent number 5,594,571
- Issue date Jan 14, 1997
- Canon Kabushiki Kaisha
- Yukio Hanyu
- G02 - OPTICS
Information Patent Grant
Rubbing apparatus with an even number of rubbing rollers with pile...
- Patent number 5,568,296
- Issue date Oct 22, 1996
- Canon Kabushiki Kaisha
- Yasuto Kodera
- G02 - OPTICS
Information Patent Grant
Process for injecting ferroelectric liquid crystal with injection c...
- Patent number 5,548,428
- Issue date Aug 20, 1996
- Canon Kabushiki Kaisha
- Yuichi Masaki
- G02 - OPTICS
Information Patent Grant
Method of rubbing an alignment control film using plural rollers
- Patent number 5,422,750
- Issue date Jun 6, 1995
- Canon Kabushiki Kaisha
- Yasuto Kodera
- G02 - OPTICS
Information Patent Grant
Ferroelectric liquid crystal device with fine particles on insulato...
- Patent number 5,381,256
- Issue date Jan 10, 1995
- Canon Kabushiki Kaisha
- Yukio Hanyu
- G02 - OPTICS
Information Patent Grant
Method for aligning treatment of liquid crystal device including va...
- Patent number 5,353,141
- Issue date Oct 4, 1994
- Canon Kabushiki Kaisha
- Kenji Onuma
- G02 - OPTICS
Information Patent Grant
Ferroelectric liquid crystal device having plural inorganic insulat...
- Patent number 5,270,846
- Issue date Dec 14, 1993
- Canon Kabushiki Kaisha
- Yasuyuki Watanabe
- G02 - OPTICS
Information Patent Grant
Spraying process for corona charges spacer material and attracting...
- Patent number 4,971,829
- Issue date Nov 20, 1990
- Canon Kabushiki Kaisha
- Akihiko Komura
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
ELECTROPHOTOGRAPHIC BELT, METHOD FOR PRODUCING THE SAME, AND ELECTR...
- Publication number 20230081479
- Publication date Mar 16, 2023
- Canon Kabushiki Kaisha
- Keiji Karube
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC MEMBER AND ELECTROPHOTOGRAPHIC IMAGE FORMING AP...
- Publication number 20220011695
- Publication date Jan 13, 2022
- Canon Kabushiki Kaisha
- Keisuke Abe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC MEMBER AND ELECTROPHOTOGRAPHIC IMAGE FORMING AP...
- Publication number 20210103236
- Publication date Apr 8, 2021
- Masahiro Takenaga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC INTERMEDIATE TRANSFER MEMBER AND ELECTROPHOTOGR...
- Publication number 20150323888
- Publication date Nov 12, 2015
- Canon Kabushiki Kaisha
- Rieko Sakamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
MEMBER FOR ELECTROPHOTOGRAPHY, PROCESS CARTRIDGE, AND ELECTROPHOTOG...
- Publication number 20140377695
- Publication date Dec 25, 2014
- Naoto Kameyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
INTERMEDIATE TRANSFER MEMBER FOR ELECTROPHOTOGRAPHY AND ELECTROPHOT...
- Publication number 20140377564
- Publication date Dec 25, 2014
- Rieko Sakamoto
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
ELECTROPHOTOGRAPHIC MEMBER, INTERMEDIATE TRANSFER MEMBER, IMAGE FOR...
- Publication number 20130149540
- Publication date Jun 13, 2013
- Canon Kabushiki Kaisha
- Koichi Sato
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
Recording medium and image forming method utilizing the same
- Publication number 20020061387
- Publication date May 23, 2002
- Masanobu Asaoka
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Kenji Onuma

Person

Patents Grantslast 30 patents

Electrophotographic member and electrophotographic image forming ap...

Electrophotographic member and electrophotographic image forming ap...

Electrophotographic belt, method for producing the same, and electr...

Intermediate transfer member for electrophotography and electrophot...

Electrophotographic intermediate transfer member and electrophotogr...

Member for electrophotography, process cartridge, and electrophotog...

Electrophotographic member, intermediate transfer member, image for...

Recording medium, manufacturing process thereof and image forming m...

Recording medium and image forming method utilizing the same

Liquid crystal device, image display apparatus and image forming ap...

Liquid crystal device and process for production thereof

Method of making ferroelectric liquid crystal device using particle...

Ferroelectric liquid crystal device with uneven surface under align...

Apparatus for spraying particulate material in an evaporatable disp...

Ferroelectric liquid crystal device and process for production thereof

Rubbing apparatus with an even number of rubbing rollers with pile...

Process for injecting ferroelectric liquid crystal with injection c...

Method of rubbing an alignment control film using plural rollers

Ferroelectric liquid crystal device with fine particles on insulato...

Method for aligning treatment of liquid crystal device including va...

Ferroelectric liquid crystal device having plural inorganic insulat...

Spraying process for corona charges spacer material and attracting...

Patents Applicationslast 30 patents

ELECTROPHOTOGRAPHIC BELT, METHOD FOR PRODUCING THE SAME, AND ELECTR...

ELECTROPHOTOGRAPHIC MEMBER AND ELECTROPHOTOGRAPHIC IMAGE FORMING AP...

ELECTROPHOTOGRAPHIC MEMBER AND ELECTROPHOTOGRAPHIC IMAGE FORMING AP...

ELECTROPHOTOGRAPHIC INTERMEDIATE TRANSFER MEMBER AND ELECTROPHOTOGR...

MEMBER FOR ELECTROPHOTOGRAPHY, PROCESS CARTRIDGE, AND ELECTROPHOTOG...

INTERMEDIATE TRANSFER MEMBER FOR ELECTROPHOTOGRAPHY AND ELECTROPHOT...

ELECTROPHOTOGRAPHIC MEMBER, INTERMEDIATE TRANSFER MEMBER, IMAGE FOR...

Recording medium and image forming method utilizing the same