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Syunichi Matsumoto
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Osaka, JP
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last 30 patents
Information
Patent Grant
Tryptanthrine compounds
Patent number
5,817,810
Issue date
Oct 6, 1998
Mita Industrial Co., Ltd.
Fumio Sugai
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
Trinitrofluorenonimine derivative and electrophotosensitive materia...
Patent number
5,753,394
Issue date
May 19, 1998
Mita Industrial Co., Ltd.
Hirofumi Kawaguchi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Trinitrofluoroenonimine derivative and electrophotosensitive materi...
Patent number
5,705,694
Issue date
Jan 6, 1998
Mita Industrial Co., Ltd.
Hirofumi Kawaguchi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Tryptoanthorine derivative contained in electrophotosensitive material
Patent number
5,616,441
Issue date
Apr 1, 1997
Mita Industrial Co., Ltd.
Hirofumi Kawaguchi
C07 - ORGANIC CHEMISTRY