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Shigemasa Takano
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Tokyo, JP
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last 30 patents
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Patent Grant
electrophotographic photoreceptors
Patent number
5,427,879
Issue date
Jun 27, 1995
NEC Corporation
Shigemasa Takano
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Titanyl phthaloycyanine crystal, method of manufacture thereof and...
Patent number
5,213,929
Issue date
May 25, 1993
NEC Corporation
Shigemasa Takano
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive material
Patent number
5,187,036
Issue date
Feb 16, 1993
NEC Corporation
Naoyuki Matsui
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Titanium phthalocyanine optical semiconductor material and electrop...
Patent number
4,882,427
Issue date
Nov 21, 1989
Toyo Ink Manufacturing Co., Ltd.
Toshio Enokida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic recording medium containing .tau. and .eta. met...
Patent number
4,507,374
Issue date
Mar 26, 1985
Hitachi, Ltd.
Atsushi Kakuta
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY