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Masanori Miyabe
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Fujisawa, JP
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last 30 patents
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Patent Grant
Positive-working photoresist containing o-naphthoquinone diazide su...
Patent number
5,281,508
Issue date
Jan 25, 1994
Tokyo Ohka Kogyo Co., Ltd.
Hidekatsu Kohara
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Electron beam-curable resist composition and method for fine patter...
Patent number
5,180,653
Issue date
Jan 19, 1993
Tokyo Ohka Kogyo Co., Ltd.
Masanori Miyabe
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Electron beam-curable resist composition and method for fine patter...
Patent number
5,057,397
Issue date
Oct 15, 1991
Tokyo Ohka Kogyo Co., Ltd.
Masanori Miyabe
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Positive-working photoresist composition with quinone diazide sulfo...
Patent number
4,906,549
Issue date
Mar 6, 1990
Tokyo Ohka Kogyo Co., Ltd.
Shingo Asaumi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Positive-working photosensitive quinone diazide composition with al...
Patent number
4,882,260
Issue date
Nov 21, 1989
Tokyo Ohka Kogyo Co., Ltd.
Hidekatsu Kohara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Positive-working naphthoquinone diazide photoresist composition wit...
Patent number
4,731,319
Issue date
Mar 15, 1988
Tokyo Ohka Kogy Co., Ltd.
Hidekatsu Kohara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY