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Hirotoshi Fujie
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Kawagoe, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Diazodisulfones
Patent number
RE40211
Issue date
Apr 1, 2008
Wako Pure Chemical Industries, Ltd.
Fumiyoshi Urano
534 - Organic compounds
Information
Patent Grant
Resist Composition
Patent number
6,716,573
Issue date
Apr 6, 2004
Wako Pure Chemical Industries, Ltd.
Hirotoshi Fujie
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Resist composition
Patent number
6,656,660
Issue date
Dec 2, 2003
Sumitomo Chemical Company, Limited
Fumiyoshi Urano
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Resist composition
Patent number
6,432,608
Issue date
Aug 13, 2002
Wako Pure Chemical Industries, Ltd.
Hirotoshi Fujie
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Resist composition containing specific cross-linking agent
Patent number
6,335,143
Issue date
Jan 1, 2002
Wako Pure Chemical Industries Ltd.
Motoshige Sumino
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Agent for reducing the substrate dependence of resist
Patent number
6,303,264
Issue date
Oct 16, 2001
Wako Pure Chemical Industries, Ltd.
Hirotoshi Fujie
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Polymer and resist material
Patent number
6,033,826
Issue date
Mar 7, 2000
Wako Pure Chemical Industries, Ltd.
Fumiyoshi Urano
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymer composition and resist material
Patent number
5,976,759
Issue date
Nov 2, 1999
Wako Pure Chemical Industries, Ltd.
Fumiyoshi Urano
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Pattern formation process
Patent number
5,670,299
Issue date
Sep 23, 1997
Wako Pure Chemical Industries, Ltd.
Fumiyoshi Urano
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Resist material
Patent number
5,627,006
Issue date
May 6, 1997
Wako Pure Chemical Industries, Ltd.
Fumiyoshi Urano
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Resist material and pattern formation process
Patent number
5,468,589
Issue date
Nov 21, 1995
Wako Pure Chemical Industries, Ltd.
Fumiyoshi Urano
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Chemical amplified resist material containing photosensitive compou...
Patent number
5,350,660
Issue date
Sep 27, 1994
Wako Pure Chemical Industries, Ltd.
Fumiyoshi Urano
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Diazodisulfones
Patent number
5,216,135
Issue date
Jun 1, 1993
Wako Pure Chemical Industries, Ltd.
Fumiyoshi Urano
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
Resist composition
Publication number
20030039920
Publication date
Feb 27, 2003
Wako Pure Chemical Industries, LTD.
Hirotoshi Fujie
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...