P

Inventor

KIKUCHI TOSHIHIRO

JP64 patents
⚠️ This page may combine multiple inventors who share the name “KIKUCHI TOSHIHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CANON KK

34 patents
US6416915B1Jul 9, 2002

Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus

CANON KK91 citations98
US6180303B1Jan 30, 2001

Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus, and process for producing the same photosensitive member

CANON KK89 citations98
US6372397B1Apr 16, 2002

Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus

CANON KK53 citations96
US5378519AJan 3, 1995

Electroluminescent device

CANON KK71 citations96
US6664014B1Dec 16, 2003

Electrophotographic photosensitive member electrophotographic apparatus using same and device unit using same

CANON KK43 citations93
US6289190B1Sep 11, 2001

Electrophotographic apparatus and process cartridge

CANON KK27 citations93
US5486439AJan 23, 1996

Electrophotographic with polycarbonate having charge transporting group

CANON KK31 citations93
US5176976AJan 5, 1993

Organic electronic material and electrophotographic photosensitive member containing same

CANON KK21 citations93
US7749667B2Jul 6, 2010

Image forming method, and electrophotographic apparatus making use of the image forming method

CANON KK32 citations92
US7718331B2May 18, 2010

Electrophotographic photosensitive member with depressed portions, process cartridge holding the electrophotographic photosensitive member and electrophotographic apparatus with the electrophotographic photosensitive member

CANON KK41 citations92
US7622238B2Nov 24, 2009

Process for producing electrophotographic photosensitive member

CANON KK36 citations92
US7556901B2Jul 7, 2009

Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus

CANON KK24 citations92
US7551878B2Jun 23, 2009

Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus

CANON KK39 citations92
US5756248AMay 26, 1998

Electrophotographic photosensitive member and apparatus and process cartridge provided with the same

CANON KK25 citations92
US5677095AOct 14, 1997

Electrophotographic photosensitive member

CANON KK34 citations92
US5422210AJun 6, 1995

Electrophotographic photosensitive member and electrophotographic apparatus, device unit and facsimile machine using the same

CANON KK47 citations92
US5098809AMar 24, 1992

Electrophotographic photosensitive member containing a substituted fluorine compound

CANON KK24 citations92
US5049464ASep 17, 1991

Photosensitive member for electrophotography

CANON KK30 citations92
US4931371AJun 5, 1990

Electrophotographic photosensitive member

CANON KK30 citations92
US7563553B2Jul 21, 2009

Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus

CANON KK16 citations84
US5932383AAug 3, 1999

Electrophotographic photosensitive member and process cartridge and electrophotographic apparatus including same

CANON KK19 citations84
US7364824B2Apr 29, 2008

Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus

CANON KK12 citations82
US5415962AMay 16, 1995

Electrophotographic photosensitive member, electrophotographic apparatus using same and device unit using same

CANON KK19 citations82
US5024912AJun 18, 1991

5H-dibenzo(A,D) cycloheptanylidene derivative and 5H-dibenzo (A,D) cycloheptenylidene derivative, and electrophotographic photosensitive member using the same

CANON KK21 citations80
US5837412ANov 17, 1998

Electrophotographic photosensitive member, and process cartridge and electrophotographic apparatus utilizing the same

CANON KK12 citations74
US5729801AMar 17, 1998

Electrophotographic apparatus and process cartridge

CANON KK8 citations74
US5616442AApr 1, 1997

Electrophotographic photosensitive member and electrophotographic apparatus using same

CANON KK8 citations74
US5510218AApr 23, 1996

Electrophotographic photosensitive member, process cartridge using same and electrophotographic apparatus

CANON KK12 citations74
US5227271AJul 13, 1993

Electrophotographic photosensitive member

CANON KK13 citations74
US5126223AJun 30, 1992

Ozone resistant electrophotographic photosensitive member

CANON KK7 citations74
US4798777AJan 17, 1989

Electrophotographic member containing vinylene benzocarazole as charge transporting material

CANON KK18 citations74
US5484673AJan 16, 1996

Electrophotographic photosensitive member

CANON KK7 citations73
US5262261ANov 16, 1993

Photosensitive member for electrophotography

CANON KK12 citations73
US5079118AJan 7, 1992

Photosensitive member for electrophotography with substituted pyrene

CANON KK15 citations73

NISSHO KK

10 patents

SONY CORP

3 patents

NIPRO CORP

1 patent

SANO YOSHIHIKO

1 patent

IWAYA KK

1 patent

Showing the top 50 of 64 patents by PatentIndex Score.