P

Inventor

TAMURA HIROSHI

JP219 patents
⚠️ This page may combine multiple inventors who share the name “TAMURA HIROSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RICOH KK

27 patents
US6030733AFeb 29, 2000

Electrophotographic photoconductor with water vapor permeability

RICOH KK133 citations99
US5871876AFeb 16, 1999

Electrophotographic photoconductor

RICOH KK157 citations99
US6641964B2Nov 4, 2003

Electrophotographic photoreceptor, method for manufacturing the photoreceptor, and image forming method and apparatus using the photoreceptor

RICOH KK80 citations98
US6326112B1Dec 4, 2001

Electrophotographic photoreceptor, and process cartridge and image forming apparatus using the photoreceptor

RICOH KK117 citations98
US6151468ANov 21, 2000

Electrophotographic photoconductor

RICOH KK105 citations98
US7179573B2Feb 20, 2007

Electrophotographic photoconductor, and image forming process, image forming apparatus and process cartridge for an image forming apparatus using the same

RICOH KK46 citations96
US7175957B2Feb 13, 2007

Electrophotographic photoconductor, and image forming process, image forming apparatus and process cartridge for an image forming apparatus using the same

RICOH KK49 citations96
US6790572B2Sep 14, 2004

Electrophotographic photoreceptor, and image forming method and apparatus using the photoreceptor

RICOH KK52 citations96
US5840454ANov 24, 1998

Aromatic polycarbonate and electrophotographic photosensitive medium using same

RICOH KK62 citations96
US5747204AMay 5, 1998

Electrophotographic photoconductor and aromatic polycarbonate resin for use in the same

RICOH KK56 citations96
US5723243AMar 3, 1998

Electrophotographic photoconductor and aromatic polycarbonate resin for use therein

RICOH KK57 citations96
US5608010AMar 4, 1997

Polymers of acrylic acid ester derivatives having a triphenyl amine skeleton

RICOH KK42 citations96
US5496671AMar 5, 1996

Electrophotographic photoconductor

RICOH KK81 citations96
US5427880AJun 27, 1995

Electrophotographic Photoconductor

RICOH KK100 citations96
US5411827AMay 2, 1995

Electrophotographic photoconductor

RICOH KK97 citations96
US5322753AJun 21, 1994

Electrophotographic photoconductor and acrylic acid ester polymer for use in the same

RICOH KK42 citations96
US7361438B2Apr 22, 2008

Electrophotographic photoconductor, and image forming process, image forming apparatus and process cartridge for an image forming apparatus using the same

RICOH KK19 citations93
US7199906B1Apr 3, 2007

Internet facsimile gateway device

RICOH KK27 citations93
US6961137B1Nov 1, 2005

Network facsimile communication control method

RICOH KK27 citations93
US6858362B2Feb 22, 2005

Electrophotographic photoreceptor, and image forming method and apparatus using the photoreceptor

RICOH KK24 citations93
US5830980ANov 3, 1998

Electrophotographic photoconductor, aromatic polycarbonate resin for use in the same, and method of producing the aromatic polycarbonate resin

RICOH KK28 citations93
US5717945AFeb 10, 1998

Method for creating documents with an open document architecture

RICOH KK39 citations93
US5701497ADec 23, 1997

Telecommunication apparatus having a capability of translation

RICOH KK145 citations93
US7416823B2Aug 26, 2008

Electrophotographic photoconductor, and image formation method, image formation apparatus, and process cartridge for image formation apparatus using the same

RICOH KK27 citations92
US6844124B2Jan 18, 2005

Electrophotographic photoreceptor, method for manufacturing the photoreceptor, and image forming method and apparatus using the photoreceptor

RICOH KK31 citations92
US6093784AJul 25, 2000

Electrophotographic photoconductor and polycarbonate resin for use therein

RICOH KK40 citations92
US6018014AJan 25, 2000

Aromatic polycarbonate and electrophotographic photosensitive medium using same

RICOH KK41 citations92

SEIKAGAKU KOGYO CO LTD

5 patents

NIPPON DENSO CO

3 patents

FUJI PHOTO FILM CO LTD

3 patents

TOSHIBA KK

2 patents

NHK SPRING CO LTD

2 patents

MURATA MANUFACTURING CO

2 patents

DENSO CORP

1 patent

TOYOTA MOTOR CO LTD

1 patent

FUJITSU LTD

1 patent

FUJI INDUSTRIES CO LTD

1 patent

YOKOGAWA ELECTRIC CORP

1 patent

TAMURA HIROSHI

1 patent

Showing the top 50 of 219 patents by PatentIndex Score.