Shinichi Kawamura

Person

Kawasaki-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Electrophotographic photoconductor, image forming apparatus, image...
- Patent number 8,227,156
- Issue date Jul 24, 2012
- Ricoh Company, Ltd.
- Keisuke Shimoyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor, image forming apparatus, and pr...
- Patent number 8,192,905
- Issue date Jun 5, 2012
- Ricoh Company, Ltd.
- Keisuke Shimoyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic image forming apparatus and process cartridge
- Patent number 8,064,795
- Issue date Nov 22, 2011
- Ricoh Company, Ltd.
- Keisuke Shimoyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor, and image forming apparatus, pr...
- Patent number 8,007,972
- Issue date Aug 30, 2011
- Ricoh Company, Ltd.
- Eiji Kurimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor, image forming apparatus and proc...
- Patent number 7,919,220
- Issue date Apr 5, 2011
- Ricoh Company, Ltd.
- Keisuke Shimoyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor having charge blocking and moire...
- Patent number 7,871,747
- Issue date Jan 18, 2011
- Ricoh Company, Ltd.
- Keisuke Shimoyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
3, 6-diphenylcarbazole compound and organic electroluminescent device
- Patent number 7,745,988
- Issue date Jun 29, 2010
- Ricoh Company, Limited
- Masaomi Sasaki
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
π-Conjugated polymer and manufacturing method thereof
- Patent number 7,718,760
- Issue date May 18, 2010
- Ricoh Company, Ltd.
- Masaomi Sasaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aryl amine polymer, thin film transistor using the new aryl amine p...
- Patent number 7,550,554
- Issue date Jun 23, 2009
- Ricoh Company, Ltd.
- Toshiya Sagisaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aryl amine polymer, thin film transistor using the aryl amine polym...
- Patent number 7,166,689
- Issue date Jan 23, 2007
- Ricoh Company, Ltd.
- Toshiya Sagisaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Electrophotographic photoconductor, image forming method and appara...
- Patent number 7,122,284
- Issue date Oct 17, 2006
- Ricoh Company, Ltd.
- Shinichi Kawamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Aromatic polycarbonate resin, electrophotographic photoconductor, p...
- Patent number 7,071,285
- Issue date Jul 4, 2006
- Ricoh Company, Ltd.
- Shinichi Kawamura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Electrophotographic photoconductor, image forming method and appara...
- Patent number 7,056,633
- Issue date Jun 6, 2006
- Ricoh Company, Ltd.
- Shinichi Kawamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, IMAGE FORMING METHOD AND APPARA...
- Patent number 6,974,654
- Issue date Dec 13, 2005
- Ricoh Company, Ltd.
- Shinichi Kawamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor, and process cartridge and elect...
- Patent number 6,939,651
- Issue date Sep 6, 2005
- Ricoh Company, Ltd.
- Hongguo Li
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
AROMATIC BLOCK POLYCARBONATE RESIN, DIPHENOL COMPOUND FOR PREPARATI...
- Patent number 6,919,419
- Issue date Jul 19, 2005
- Ricoh Company Ltd.
- Kohkoku Ri
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aromatic polycarbonate resin, electrophotographic photoconductor, p...
- Patent number 6,790,571
- Issue date Sep 14, 2004
- Ricoh Company, Ltd.
- Shinichi Kawamura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Diphenol compound, aromatic polycarbonate and electrophotoconductiv...
- Patent number 6,664,361
- Issue date Dec 16, 2003
- Ricoh Company, Ltd.
- Masaomi Sasaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Electrophotographic photoreceptor, and process cartridge and electr...
- Patent number 6,596,449
- Issue date Jul 22, 2003
- Ricoh Company Limited
- Tomoyuki Shimada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
AROMATIC BLOCK POLYCARBONATE RESIN, DIPHENOL COMPOUND FOR PREPARATI...
- Patent number 6,576,386
- Issue date Jun 10, 2003
- Ricoh Company, Ltd.
- Kohkoku Ri
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, IMAGE FORMING METHOD AND APPARA...
- Patent number 6,548,216
- Issue date Apr 15, 2003
- Ricoh Company, Ltd.
- Shinichi Kawamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor, image forming apparatus, and pr...
- Patent number 6,492,079
- Issue date Dec 10, 2002
- Ricoh Company, Ltd.
- Tomoyuki Shimada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor and method of producing aromatic...
- Patent number 6,486,293
- Issue date Nov 26, 2002
- Ricoh Company, Ltd.
- Kohkoku Ri
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Image bearing material, electrophotographic photoreceptor using the...
- Patent number 6,444,387
- Issue date Sep 3, 2002
- Ricoh Company Limited
- Kohkoku Ri
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor and aromatic polycarbonate resin...
- Patent number 6,303,736
- Issue date Oct 16, 2001
- Ricoh Company, Ltd.
- Shinichi Kawamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor, and process cartridge and image...
- Patent number 6,210,848
- Issue date Apr 3, 2001
- Ricoh Company, Ltd.
- Kazukiyo Nagai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor and aromatic polycarbonate resin...
- Patent number 6,194,535
- Issue date Feb 27, 2001
- Ricoh Company, Ltd.
- Akira Katayama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Electrophotographic photoconductor and aromatic polycarbonate resin...
- Patent number 6,187,494
- Issue date Feb 13, 2001
- Ricoh Company, Ltd.
- Shinichi Kawamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor and method of producing aromatic...
- Patent number 6,187,492
- Issue date Feb 13, 2001
- Ricoh Company, Ltd.
- Kohkoku Ri
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor and aromatic polycarbonate resin...
- Patent number 6,172,176
- Issue date Jan 9, 2001
- Ricoh Company, Ltd.
- Chiaki Tanaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, IMAGE FORMING APPARATUS, IMAGE...
- Publication number 20110111335
- Publication date May 12, 2011
- Keisuke Shimoyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE
- Publication number 20100260515
- Publication date Oct 14, 2010
- Keisuke Shimoyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, IMAGE FORMING APPARATUS, AND PR...
- Publication number 20070248901
- Publication date Oct 25, 2007
- Keisuke Shimoyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
NEW ARYL AMINE POLYMER, THIN FILM TRANSISTOR USING THE NEW ARYL AMI...
- Publication number 20070092760
- Publication date Apr 26, 2007
- Toshiya Sagisaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Electrophotographic image forming apparatus and process cartridge
- Publication number 20070059039
- Publication date Mar 15, 2007
- Keisuke Shimoyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photoconductor, and image forming apparatus, pr...
- Publication number 20070059618
- Publication date Mar 15, 2007
- Eiji Kurimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photoconductor, image forming apparatus, image...
- Publication number 20070059619
- Publication date Mar 15, 2007
- Keisuke Shimoyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Arylamine polymer and organic thin film transistor
- Publication number 20070048637
- Publication date Mar 1, 2007
- Takashi Okada
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
pi-Conjugated polymer and manufacturing method thereof
- Publication number 20060247413
- Publication date Nov 2, 2006
- Masaomi Sasaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Electrophotographic photoconductor, image forming method and appara...
- Publication number 20060035161
- Publication date Feb 16, 2006
- RICOH COMPANY, LTD.
- Shinichi Kawamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
3, 6-Diphenylcarbazole compound and organic electroluminescent device
- Publication number 20050084711
- Publication date Apr 21, 2005
- Masaomi Sasaki
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Aromatic polycarbonate resin, electrophotographic photoconductor, p...
- Publication number 20050003287
- Publication date Jan 6, 2005
- Ricoh Company, Ltd.
- Shinichi Kawamura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Aryl amine polymer, thin film transistor using the aryl amine polym...
- Publication number 20040212042
- Publication date Oct 28, 2004
- Toshiya Sagisaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Electrophotographic photoconductor, image forming method and appara...
- Publication number 20040131960
- Publication date Jul 8, 2004
- Ricoh Company, Ltd.
- Shinichi Kawamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Aromatic block polycarbonate resin, diphenol compound for preparati...
- Publication number 20040002574
- Publication date Jan 1, 2004
- RICOH COMPANY, LTD.
- Kohkoku Ri
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Electrophotographic photoconductor, image forming method and appara...
- Publication number 20030198881
- Publication date Oct 23, 2003
- RICOH COMPANY, LTD.
- Shinichi Kawamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photoconductor, and process cartridge and elect...
- Publication number 20030059695
- Publication date Mar 27, 2003
- Hongguo Li
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Diphenol compound, aromatic polycarbonate and electrophotoconductiv...
- Publication number 20020147278
- Publication date Oct 10, 2002
- Masaomi Sasaki
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Aromatic polycarbonate resin, electrophotographic photoconductor, p...
- Publication number 20020098430
- Publication date Jul 25, 2002
- Ricoh Company, Ltd.
- Shinichi Kawamura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Electrophotographic photoreceptor, and process cartridge and electr...
- Publication number 20020045117
- Publication date Apr 18, 2002
- Tomoyuki Shimada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photoconductor, image forming apparatus, and pr...
- Publication number 20020028400
- Publication date Mar 7, 2002
- Ricoh Company, Ltd.
- Tomoyuki Shimada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photoconductor, image forming method and appara...
- Publication number 20020025483
- Publication date Feb 28, 2002
- Ricoh Company, Ltd.
- Shinichi Kawamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image bearing material, electrophotographic photoreceptor using the...
- Publication number 20010012594
- Publication date Aug 9, 2001
- RICOH COMPANY LIMITED
- Kohkoku Ri
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Shinichi Kawamura

Person

Patents Grantslast 30 patents

Electrophotographic photoconductor, image forming apparatus, image...

Electrophotographic photoconductor, image forming apparatus, and pr...

Electrophotographic image forming apparatus and process cartridge

Electrophotographic photoconductor, and image forming apparatus, pr...

Electrophotographic photoreceptor, image forming apparatus and proc...

Electrophotographic photoconductor having charge blocking and moire...

3, 6-diphenylcarbazole compound and organic electroluminescent device

π-Conjugated polymer and manufacturing method thereof

Aryl amine polymer, thin film transistor using the new aryl amine p...

Aryl amine polymer, thin film transistor using the aryl amine polym...

Electrophotographic photoconductor, image forming method and appara...

Aromatic polycarbonate resin, electrophotographic photoconductor, p...

Electrophotographic photoconductor, image forming method and appara...

ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, IMAGE FORMING METHOD AND APPARA...

Electrophotographic photoconductor, and process cartridge and elect...

AROMATIC BLOCK POLYCARBONATE RESIN, DIPHENOL COMPOUND FOR PREPARATI...

Aromatic polycarbonate resin, electrophotographic photoconductor, p...

Diphenol compound, aromatic polycarbonate and electrophotoconductiv...

Electrophotographic photoreceptor, and process cartridge and electr...

AROMATIC BLOCK POLYCARBONATE RESIN, DIPHENOL COMPOUND FOR PREPARATI...

ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, IMAGE FORMING METHOD AND APPARA...

Electrophotographic photoconductor, image forming apparatus, and pr...

Electrophotographic photoconductor and method of producing aromatic...

Image bearing material, electrophotographic photoreceptor using the...

Electrophotographic photoconductor and aromatic polycarbonate resin...

Electrophotographic photoconductor, and process cartridge and image...

Electrophotographic photoconductor and aromatic polycarbonate resin...

Electrophotographic photoconductor and aromatic polycarbonate resin...

Electrophotographic photoconductor and method of producing aromatic...

Electrophotographic photoconductor and aromatic polycarbonate resin...

Patents Applicationslast 30 patents

ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, IMAGE FORMING APPARATUS, IMAGE...

ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE

ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, IMAGE FORMING APPARATUS, AND PR...

NEW ARYL AMINE POLYMER, THIN FILM TRANSISTOR USING THE NEW ARYL AMI...

Electrophotographic image forming apparatus and process cartridge

Electrophotographic photoconductor, and image forming apparatus, pr...

Electrophotographic photoconductor, image forming apparatus, image...

Arylamine polymer and organic thin film transistor

pi-Conjugated polymer and manufacturing method thereof

Electrophotographic photoconductor, image forming method and appara...

3, 6-Diphenylcarbazole compound and organic electroluminescent device

Aromatic polycarbonate resin, electrophotographic photoconductor, p...

Aryl amine polymer, thin film transistor using the aryl amine polym...

Electrophotographic photoconductor, image forming method and appara...

Aromatic block polycarbonate resin, diphenol compound for preparati...

Electrophotographic photoconductor, image forming method and appara...

Electrophotographic photoconductor, and process cartridge and elect...

Diphenol compound, aromatic polycarbonate and electrophotoconductiv...

Aromatic polycarbonate resin, electrophotographic photoconductor, p...

Electrophotographic photoreceptor, and process cartridge and electr...

Electrophotographic photoconductor, image forming apparatus, and pr...

Electrophotographic photoconductor, image forming method and appara...

Image bearing material, electrophotographic photoreceptor using the...