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Kouichi Takahashi
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Kanagawa, JP
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last 30 patents
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Patent Grant
Method and device for evaluating a program
Patent number
6,185,700
Issue date
Feb 6, 2001
NEC Corporation
Kunio Niwa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Article utilizing quinone diazide resist layer on tantalum substrat...
Patent number
5,552,255
Issue date
Sep 3, 1996
Tokyo Ohka Kogyo Co., Ltd.
Tetsuya Kato
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Positive-working quinonediazide photoresist composition containing...
Patent number
5,518,860
Issue date
May 21, 1996
Tokyo Ohka Kogyo Co., Ltd.
Satoshi Niikura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method for forming positive patterned resist layer on tantalum subs...
Patent number
5,401,617
Issue date
Mar 28, 1995
Tokyo Ohka Kogyo Co., Ltd.
Tetsuya Kato
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Positive working photosensitive resin composition containing 1,2-na...
Patent number
5,401,605
Issue date
Mar 28, 1995
Tokyo Ohka Kogyo Co., Ltd.
Kousuke Doi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY