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Yasuyuki Hanatani
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Sakai, JP
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last 30 patents
Information
Patent Grant
Electrophotosensitive material
Patent number
5,851,712
Issue date
Dec 22, 1998
Mita Industrial Co., Ltd.
Nariaki Muto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Phenanthrylenediamine derivative
Patent number
5,843,606
Issue date
Dec 1, 1998
Mita Industrial Co., Ltd.
Eiichi Miyamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Naphthylenediamine derivative and electrophotosensitive material us...
Patent number
5,830,615
Issue date
Nov 3, 1998
Mita Industrial Co., Ltd.
Eiichi Miyamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Tryptoanthrinimine derivative and electrophotosensitive material us...
Patent number
5,773,613
Issue date
Jun 30, 1998
Mita Industrial Co., Ltd.
Hirofumi Kawaguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotosensitive material
Patent number
5,521,044
Issue date
May 28, 1996
Mita Industrial Co., Ltd.
Nariaki Muto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process for packing electrophotographic photoreceptor
Patent number
5,499,486
Issue date
Mar 19, 1996
Mita Industrial Co., Ltd.
Keizo Kimoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive member having a photosensitive l...
Patent number
5,336,576
Issue date
Aug 9, 1994
Mita Industrial Co., Ltd.
Eiichi Miyamoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic member having an azo compound with diphenoquinone
Patent number
5,288,576
Issue date
Feb 22, 1994
Mita Industrial Co., Ltd.
Eiichi Miyamoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Bisazo compounds which contain a diphenoquinone tetraazo component...
Patent number
5,274,084
Issue date
Dec 28, 1993
Mita Industrial Co., Ltd.
Eiichi Miyamoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Benzidine derivative and photosensitive material using said derivative
Patent number
5,272,031
Issue date
Dec 21, 1993
Mita Industrial Co., Ltd.
Yasuyuki Hanatani
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Hydrazone compound and photosensitive material using said compound
Patent number
5,258,251
Issue date
Nov 2, 1993
Mita Industrial Co., Ltd.
Yasuyuki Hanatani
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Hydrazone compound and photosensitive material using said compound
Patent number
5,256,508
Issue date
Oct 26, 1993
Mita Industrial Co., Ltd.
Yasuyuki Hanatani
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Hydrazone compound and photosensitive material using said compound
Patent number
5,246,808
Issue date
Sep 21, 1993
Mita Industrial Co., Ltd.
Yasuyuki Hanatani
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Phenylenediamine derivative and photosensitive material using said...
Patent number
5,213,926
Issue date
May 25, 1993
Mita Industrial Co., Ltd.
Yasuyuki Hanatani
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Electrophotographic polyvinyl acetal layer containing element and p...
Patent number
5,135,834
Issue date
Aug 4, 1992
Mita Industrial Co., Ltd.
Yasuyuki Hanatani
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive material
Patent number
5,063,126
Issue date
Nov 5, 1991
Mita Industrial Co., Ltd.
Kaname Nakatani
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive material containing m-phenylened...
Patent number
5,004,662
Issue date
Apr 2, 1991
Mita Industrial Co., Ltd.
Nariaki Mutoh
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Electrophotographic sensitive material with pyrrolopyrrole and benz...
Patent number
4,925,759
Issue date
May 15, 1990
Mita Industrial Co., Ltd.
Yasuyuki Hanatani
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY