P

Inventor

SUZUKI YASUO

JP377 patents
⚠️ This page may combine multiple inventors who share the name “SUZUKI YASUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RICOH KK

15 patents
US6861188B2Mar 1, 2005

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

RICOH KK77 citations98
US6030736AFeb 29, 2000

Electrophotographic photoconductor with polysiloxane mixture

RICOH KK87 citations97
US6026262AFeb 15, 2000

Image forming apparatus employing electrophotographic photoconductor

RICOH KK89 citations97
US5578405ANov 26, 1996

Electrophotographic photoconductor containing disazo and trisazo pigments

RICOH KK125 citations97
US7103301B2Sep 5, 2006

Image forming apparatus using a contact or a proximity type of charging system including a protection substance on a moveable body to be charged

RICOH KK47 citations96
US6899983B2May 31, 2005

Electrophotographic photoconductor, electrophotographic apparatus and process cartridge

RICOH KK63 citations96
US6136483AOct 24, 2000

Electrophotographic photoconductor and electrophotographic image forming apparatus using the photoconductor

RICOH KK77 citations96
US5928828AJul 27, 1999

Electrophotographic image forming method

RICOH KK59 citations96
US7018755B2Mar 28, 2006

Electrophotographic photoconductor, electrophotography method using the same, electrophotographic apparatus, electrographic apparatus process cartridge and electrophotographic photoconductor outermost surface layer coating solution

RICOH KK48 citations93
US6830858B2Dec 14, 2004

Electrophotographic photosensitive member, preparation method thereof, image forming process, apparatus and process cartridge using the same

RICOH KK19 citations93
US6819892B2Nov 16, 2004

Electrophotographic image forming apparatus including air conditioning means for removing harmful substances

RICOH KK42 citations93
US6777150B2Aug 17, 2004

Coating liquid for an intermediate layer of electrophotographic photoconductor, manufacturing method thereof, electrophotographic photoconductor, electrophotographic apparatus, and electrophotographic photoconductor process cartridge using same

RICOH KK17 citations93
US5677096AOct 14, 1997

Electrophotographic photoconductor

RICOH KK48 citations93
US5665500ASep 9, 1997

Electrophotographic photoconductor

RICOH KK49 citations93
US5286588AFeb 15, 1994

Electrophotographic photoconductor

RICOH KK24 citations93

HITACHI LTD

9 patents

FUJITSU LTD

5 patents

TOSHIBA KK

4 patents

TOPCON CORP

3 patents

MATSUSHITA ELECTRIC WORKS LTD

2 patents

CANON KK

2 patents

LION HAMIGAKI KK

2 patents

NISSIN ELECTRIC CO LTD

2 patents

OMRON TATEISI ELECTRONICS CO

1 patent

NIPPON TELEGRAPH & TELEPHONE

1 patent

DAIKYO SEIKO LTD

1 patent

TOKYO OHKA KOGYO CO LTD

1 patent

MAZDA MOTOR

1 patent

UNIVERSAL SALES CO LTD

1 patent

Showing the top 50 of 377 patents by PatentIndex Score.