Shoji Umehara

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Rotatable fixing member, manufacturing method thereof and fixing de...
- Patent number 9,785,102
- Issue date Oct 10, 2017
- Canon Kabushiki Kaisha
- Masahito Omata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Roller for fixing and image fixing apparatus using roller for fixing
- Patent number 8,208,844
- Issue date Jun 26, 2012
- Canon Kabushiki Kaisha
- Masahito Omata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Coloring compound and recording material using the same
- Patent number 7,598,012
- Issue date Oct 6, 2009
- Canon Kabushiki Kaisha
- Yasuaki Murai
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for synthesis of N,N-disubstituted hydrazone
- Patent number 4,990,625
- Issue date Feb 5, 1991
- Canon Kabushiki Kaisha
- Tetsuo Arita
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Electrophotographic photosensitive member comprising aromatic azo p...
- Patent number 4,868,080
- Issue date Sep 19, 1989
- Canon Kabushiki Kaisha
- Shoji Umehara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Function separated photosensitive member having a diphenylamine der...
- Patent number 4,830,944
- Issue date May 16, 1989
- Canon Kabushiki Kaisha
- Shoji Umehara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photosensitive member containing disazo compound
- Patent number 4,760,003
- Issue date Jul 26, 1988
- Canon Kabushiki Kaisha
- Masakazu Matsumoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photosensitive member for electrophotography
- Patent number 4,743,523
- Issue date May 10, 1988
- Canon Kabushiki Kaisha
- Masataka Yamashita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Trisazo photsensitive member for electrophotography
- Patent number 4,735,882
- Issue date Apr 5, 1988
- Canon Kabushiki Kaisha
- Masataka Yamashita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photosensitive member comprising disazo pigment
- Patent number 4,702,982
- Issue date Oct 27, 1987
- Canon Kabushiki Kaisha
- Masakazu Matsumoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photosensitive member for electrophotography comprising azo pigments
- Patent number 4,666,810
- Issue date May 19, 1987
- Canon Kabushiki Kaisha
- Shoji Umehara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Recording medium and process employing a photosensitive organic film
- Patent number 4,501,808
- Issue date Feb 26, 1985
- Canon Kabushiki Kaisha
- Kiyoshi Sakai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Disazo photoconductive material and electrophotographic photosensit...
- Patent number 4,418,133
- Issue date Nov 29, 1983
- Canon Kabushiki Kaisha
- Kazuharu Katagiri
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
ROTATABLE FIXING MEMBER, MANUFACTURING METHOD THEREOF AND FIXING DE...
- Publication number 20140112692
- Publication date Apr 24, 2014
- Canon Kabushiki Kaisha
- Masahito Omata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ROTATABLE FIXING MEMBER, MANUFACTURING METHOD THEREOF AND FIXING DE...
- Publication number 20110082260
- Publication date Apr 7, 2011
- Canon Kabushiki Kaisha
- Masahito Omata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ROLLER FOR FIXING AND IMAGE FIXING APPARATUS USING ROLLER FOR FIXING
- Publication number 20090285611
- Publication date Nov 19, 2009
- Canon Kabushiki Kaisha
- Masahito Omata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Novel coloring compound and recording material using the same
- Publication number 20060183046
- Publication date Aug 17, 2006
- Canon Kabushiki Kaisha
- Yasuaki Murai
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Shoji Umehara

Person

Patents Grantslast 30 patents

Rotatable fixing member, manufacturing method thereof and fixing de...

Roller for fixing and image fixing apparatus using roller for fixing

Coloring compound and recording material using the same

Process for synthesis of N,N-disubstituted hydrazone

Electrophotographic photosensitive member comprising aromatic azo p...

Function separated photosensitive member having a diphenylamine der...

Electrophotographic photosensitive member containing disazo compound

Photosensitive member for electrophotography

Trisazo photsensitive member for electrophotography

Electrophotographic photosensitive member comprising disazo pigment

Photosensitive member for electrophotography comprising azo pigments

Recording medium and process employing a photosensitive organic film

Disazo photoconductive material and electrophotographic photosensit...

Patents Applicationslast 30 patents

ROTATABLE FIXING MEMBER, MANUFACTURING METHOD THEREOF AND FIXING DE...

ROTATABLE FIXING MEMBER, MANUFACTURING METHOD THEREOF AND FIXING DE...

ROLLER FOR FIXING AND IMAGE FIXING APPARATUS USING ROLLER FOR FIXING

Novel coloring compound and recording material using the same