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Patents Grants
last 30 patents
Information
Patent Grant
Water-soluble photoresist composition
Patent number
5,948,592
Issue date
Sep 7, 1999
Fuji Chemicals Industrial Co., Ltd.
Hiroshi Umehara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Negative photoresist composition comprising a photosensitizer of a...
Patent number
5,128,231
Issue date
Jul 7, 1992
Oki Electric Industry Co., Ltd.
Toshio Itoh
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process for forming photoresist pattern using contrast enhancement...
Patent number
4,889,795
Issue date
Dec 26, 1989
Oki Electric Industry Co., Ltd.
Katsuaki Kaifu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Pattern-forming material
Patent number
4,845,143
Issue date
Jul 4, 1989
Oki Electric Industry Co., Ltd.
Toshio Ito
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photosensitive lithographic plate with diazo resin underlayer and p...
Patent number
4,588,669
Issue date
May 13, 1986
Fuji Chemicals Industrial Co., Ltd.
Takateru Asano
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method of preparing a lithographic printing plate
Patent number
4,444,858
Issue date
Apr 24, 1984
Fuji Chemicals Industrial Co., Ltd.
Satoshi Nishibu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Positive resist for high energy radiation
Patent number
4,279,984
Issue date
Jul 21, 1981
Matsushita Electric Industrial Co., Ltd.
Shunsuke Matsuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Positive resist for high energy radiation
Patent number
4,121,936
Issue date
Oct 24, 1978
Matsushita Electric Industrial Co., Inc.
Shunsuke Matsuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Water-soluble composition admixture of copolymer having ethylenic u...
Patent number
4,097,283
Issue date
Jun 27, 1978
Fuji Chemicals Industrial Company Limited
Takateru Asano
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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last 30 patents
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