P

Inventor

MIYAZAKI HAJIME

JP72 patents
⚠️ This page may combine multiple inventors who share the name “MIYAZAKI HAJIME”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CANON KK

22 patents
US5378519AJan 3, 1995

Electroluminescent device

CANON KK71 citations96
US5132197AJul 21, 1992

Oxytitanium phthalocyanine, process for producing same and electrophotosensitive member using same

CANON KK55 citations96
US5666589ASep 9, 1997

Electrophotographic apparatus and image forming method using a photosensitive member with exposure characteristics responsive to field intensity

CANON KK20 citations93
US5604061AFeb 18, 1997

Electrophotographic photosensitive member, process cartridge including same and electrophotographic apparatus

CANON KK23 citations93
US5486440AJan 23, 1996

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

CANON KK21 citations92
US5194354AMar 16, 1993

Low crystalline oxytitanium phthalocyanine, process for producing crystalline oxytitanium phthalocyanines using the same, oxytitanium phthalocyanine of a novel crystal form and electrophotographic photosensitive member using the same

CANON KK35 citations92
US5112759AMay 12, 1992

Electrophotographic photosensitive member

CANON KK24 citations92
US5034294AJul 23, 1991

Electrophotographic photosensitive member with compound having electron donor and acceptor portions

CANON KK21 citations82
US5286589AFeb 15, 1994

Electrophotographic photosensitive member

CANON KK19 citations81
US7265377B2Sep 4, 2007

Organic semiconductor device

CANON KK7 citations74
US6225017B1May 1, 2001

Electrophotographic photosensitive member, and process cartridge and electrophotographic apparatus having the electrophotographic photosensitive member

CANON KK14 citations74
US5158847AOct 27, 1992

Electrophotographic photosensitive member comprising an azo pigment as a charge generating material

CANON KK13 citations74
US4895782AJan 23, 1990

Process for preparing dispersion liquid containing organic, photoconductive azo pigment and process for preparing electrophotographic, photosensitive member

CANON KK12 citations74
US4788119ANov 29, 1988

Electrophotographic photosensitive member containing a disazo pigment

CANON KK9 citations74
US4760003AJul 26, 1988

Electrophotographic photosensitive member containing disazo compound

CANON KK17 citations74
US5593805AJan 14, 1997

Oxytitanium phthalocyanine, process for producing same and electrophotographic photosensitive member using same

CANON KK10 citations73
US4963450AOct 16, 1990

Electrophotographic photosensitive member with disazo pigment

CANON KK16 citations73
US5126222AJun 30, 1992

Electrophotographic photosensitive member containing a barbituric acid or thiobarbituric acid derivative

CANON KK7 citations72
US5935747AAug 10, 1999

Electrophotographic photosensitive member, and process cartridge and electrophotographic apparatus having the electrophotographic photosensitive member

CANON KK5 citations63
US5246805ASep 21, 1993

Electrophotographic photosensitive member, and electrophotographic apparatus and facsimile employing the same

CANON KK6 citations63
US4610943ASep 9, 1986

Electrophotographic photosensitive member contains disazo photoconductive compound

CANON KK4 citations63
US5622800AApr 22, 1997

Electrophotographic photosensitive member, electrophotographic apparatus and apparatus unit including the photosensitive member

CANON KK3 citations62

SEIKO EPSON CORP

14 patents

MIYAZAKI HAJIME

10 patents

TOTO LTD

2 patents

SEIKO EPSCON CORP

1 patent

SUWA SEIKOSHA KK

1 patent

Showing the top 50 of 72 patents by PatentIndex Score.