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Yoshio Matsuoka
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Fuji, JP
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last 30 patents
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Patent Grant
Polyamic acid ester
Patent number
6,610,815
Issue date
Aug 26, 2003
Asahi Kasei Kabushiki Kaisha
Keiko Hata
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for forming a polyimide pattern with photosensitive composi...
Patent number
6,482,569
Issue date
Nov 19, 2002
Asahi Kasei Kabushiki Kaisha
Yoshio Matsuoka
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Photosensitive polyimide precursor compositions processable by expo...
Patent number
6,162,580
Issue date
Dec 19, 2000
Asahi Kasei Kogyo Kabushiki Kaisha
Yoshio Matsuoka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Polyimide precursor and photosensitive composition containing the same
Patent number
5,397,682
Issue date
Mar 14, 1995
Asahi Kasei Kogyo Kabushiki Kaisha
Yoshio Matsuoka
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for preparing polyamide with organic phosphine/organic disu...
Patent number
4,754,016
Issue date
Jun 28, 1988
Asahi Kasei Kogyo Kabushiki Kaisha
Hideo Ai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyamide preparation from polycarboxylic acid and polyamine with c...
Patent number
4,645,823
Issue date
Feb 24, 1987
Asahi Kasei Kogyo Kabushiki Kaisha
Hideo Ai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Epoxy compounds, process for the preparation thereof and resist mat...
Patent number
4,528,332
Issue date
Jul 9, 1985
Asahi Kasei Kogyo Kabushiki Kaisha
Hideo Ai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...