P

Inventor

KINOSHITA AKIRA

JP85 patents
⚠️ This page may combine multiple inventors who share the name “KINOSHITA AKIRA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KONISHIROKU PHOTO IND

23 patents
US4415640ANov 15, 1983

Electrophotographic element with fluorenylidene hydrazone compounds

KONISHIROKU PHOTO IND73 citations96
US5039586AAug 13, 1991

Electrophotographic photoreceptor

KONISHIROKU PHOTO IND25 citations93
US4448868AMay 15, 1984

Electrophotographic photoreceptor with hydrazone derivative

KONISHIROKU PHOTO IND27 citations93
US5824444AOct 20, 1998

Image forming apparatus

KONISHIROKU PHOTO IND17 citations92
US4943501AJul 24, 1990

Photoconductive material containing anti-oxidant

KONISHIROKU PHOTO IND29 citations90
US4515881AMay 7, 1985

Electrophotographic bisazo photosensitive member

KONISHIROKU PHOTO IND20 citations82
US4415641ANov 15, 1983

Electrophotographic light-sensitive element

KONISHIROKU PHOTO IND22 citations82
US4994339AFeb 19, 1991

Electrophotographic photoreceptor using titanyl phthalocyanine

KONISHIROKU PHOTO IND21 citations80
US6099998AAug 8, 2000

Electrophotographic photoreceptor and a production method of the same

KONISHIROKU PHOTO IND10 citations74
US5942359AAug 24, 1999

Electrophotoreceptor

KONISHIROKU PHOTO IND14 citations74
US5753395AMay 19, 1998

Electrophotographic photoreceptor

KONISHIROKU PHOTO IND13 citations74
US5718997AFeb 17, 1998

Electrophotographic photoreceptor

KONISHIROKU PHOTO IND8 citations74
US5294512AMar 15, 1994

Pyrene compound, manufacturing method therefor and electrophotographic photoreceptor containing the pyrene compound

KONISHIROKU PHOTO IND9 citations74
US5234785AAug 10, 1993

Electrophotographic photoreceptor and manufacturing method thereof

KONISHIROKU PHOTO IND14 citations74
US4737430AApr 12, 1988

Electrophotographic photoreceptor with azo-containing photosensitive member

KONISHIROKU PHOTO IND9 citations74
US4537847AAug 27, 1985

Disazo photoreceptors for electrophotography

KONISHIROKU PHOTO IND10 citations74
US4451548AMay 29, 1984

Electrophotographic photoreceptor

KONISHIROKU PHOTO IND9 citations74
US5660960AAug 26, 1997

Image forming apparatus

KONISHIROKU PHOTO IND13 citations73
US5589314ADec 31, 1996

Image forming method using an imidazole-perylene electrophotographic photoreceptor

KONISHIROKU PHOTO IND8 citations73
US5350655ASep 27, 1994

Electrophotographic photoreceptor with titanyl phthaloycyanine

KONISHIROKU PHOTO IND15 citations73
US4842971AJun 27, 1989

Photoreceptor for electrophotography having a hydroxystyrene subbing layer

KONISHIROKU PHOTO IND13 citations72
US5549997AAug 27, 1996

Electrophotographic photoreceptor

KONISHIROKU PHOTO IND9 citations71
US4424266AJan 3, 1984

Layered electrophotographic photosensitive element having hydrazone charge transport material

KONISHIROKU PHOTO IND8 citations71

NIKON CORP

11 patents

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

4 patents

KOBELCO CONSTR MACH CO LTD

3 patents

SANYO ELECTRIC CO

2 patents

HITACHI METALS LTD

1 patent

TOKYO GAS CO LTD

1 patent

MATSUSHITA ELECTRIC INDUST CO

1 patent

TOKYO ELECTRON LTD

1 patent

SUMITOMO CHEMICAL CO

1 patent

KONICA CORP

1 patent

TAKADA MASAHIRO

1 patent

Showing the top 50 of 85 patents by PatentIndex Score.