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Osaka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Chemical amplification type resist composition
Patent number
7,220,532
Issue date
May 22, 2007
Sumitomo Chemical Company, Limited
Yoshiyuki Takata
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Polyhydric phenol compound and positive resist composition comprisi...
Patent number
5,714,620
Issue date
Feb 3, 1998
Sumitomo Chemical Company, Limited
Jun Tomioka
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Bislactone compound and a process for producing the same
Patent number
5,591,871
Issue date
Jan 7, 1997
Sumitomo Chemical Co., Ltd.
Naoko Suzuki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polyhydric phenol compound and positive resist composition comprisi...
Patent number
5,587,492
Issue date
Dec 24, 1996
Sumitomo Chemical Company, Limited
Jun Tomioka
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of polyhydric phenol compounds
Patent number
5,556,995
Issue date
Sep 17, 1996
Sumitomo Chemical Co., Ltd.
Naoko Suzuki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Positive resist composition
Patent number
5,436,107
Issue date
Jul 25, 1995
Sumitomo Chemical Company, Limited
Jun Tomioka
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Positive resist composition comprising a quinone diazide sulfonic a...
Patent number
5,413,895
Issue date
May 9, 1995
Sumitomo Chemical Company, Limited
Jun Tomioka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Positive resist composition
Patent number
5,407,778
Issue date
Apr 18, 1995
Sumitomo Chemical Company, Limited
Yasunori Uetani
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Positive resist composition
Patent number
5,407,779
Issue date
Apr 18, 1995
Sumitomo Chemical Company, Limited
Yasunori Uetani
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Resist composition comprising a quinone diazide sulfonic diester an...
Patent number
5,378,586
Issue date
Jan 3, 1995
Sumitomo Chemical Company, Limited
Yasunori Uetani
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Positive resist composition
Patent number
5,374,742
Issue date
Dec 20, 1994
Sumitomo Chemical Company, Limited
Yasunori Uetani
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Quinone diazide photoresist composition containing alkali-soluble r...
Patent number
5,362,598
Issue date
Nov 8, 1994
Sumitomo Chemical Co., Ltd.
Naoki Takeyama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Resist composition, novel phenol compound and quinone diazide sulfo...
Patent number
5,290,656
Issue date
Mar 1, 1994
Sumitomo Chemical Company, Limited
Yasunori Uetani
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Positive working quinone diazide and alkali soluble resin resist co...
Patent number
5,290,657
Issue date
Mar 1, 1994
Sumitomo Chemical Company, Limited
Yasunori Uetani
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Positive resist composition comprising an alkali-soluble resin and...
Patent number
5,283,155
Issue date
Feb 1, 1994
Sumitomo Chemical Company, Limited
Yasunori Uetani
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process for preparing radiation sensitive compound and positive res...
Patent number
5,283,324
Issue date
Feb 1, 1994
Sumitomo Chemical Company, Limited
Jun Tomioka
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Positive radiation-sensitive resist composition
Patent number
5,275,910
Issue date
Jan 4, 1994
Sumitomo Chemical Company, Limited
Hiroshi Moriuma
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Positive photoresist composition containing alkali-soluble resin an...
Patent number
5,124,228
Issue date
Jun 23, 1992
Sumitomo Chemical Co., Ltd.
Yasunori Uetani
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process for preparing a positive resist composition by mixing the c...
Patent number
5,080,997
Issue date
Jan 14, 1992
Sumitomo Chemical Company, Limited
Takeshi Hioki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Positive resist composition containing quinone diazide sulfonic aci...
Patent number
5,059,507
Issue date
Oct 22, 1991
Sumitomo Chemical Company, Limited
Yasunori Uetani
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process for producing benzaldehydes
Patent number
4,500,721
Issue date
Feb 19, 1985
Sumitomo Chemical Company Limited
Hiroshi Yamachika
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Synthesis of substituted phenylacetic acid
Patent number
4,220,592
Issue date
Sep 2, 1980
Sumitomo Chemical Company, Limited
Keiji Kagawa
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
CBP COMPOUND
Publication number
20100089439
Publication date
Apr 15, 2010
Yasunori Uetani
C07 - ORGANIC CHEMISTRY
Information
Patent Application
LIGHT EMITTING POLYMER COMPOSITION AND POLYMER LIGHT EMITTING DEVICE
Publication number
20090039765
Publication date
Feb 12, 2009
Yasunori Uetani
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Luminescent-polymer composition
Publication number
20070020479
Publication date
Jan 25, 2007
Yasunori Uetani
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Chemical amplification type resist composition
Publication number
20040053171
Publication date
Mar 18, 2004
Sumitomo Chemical Company, Limited
Yoshiyuki Takata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY