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Yasuhiro Endo
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Tsukuba, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Electrolytic copper foil and method for producing same
Patent number
12,091,766
Issue date
Sep 17, 2024
NIPPON DENKAI, LTD.
Toshio Kawasaki
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Surface-treated copper foil and method for manufacturing same
Patent number
11,952,675
Issue date
Apr 9, 2024
NIPPON DENKAI, LTD.
Toshio Kawasaki
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method of producing a roughening-treated copper foil
Patent number
6,497,806
Issue date
Dec 24, 2002
Nippon Denkai, Ltd.
Yasuhiro Endo
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method of producing copper foil for fine wiring
Patent number
6,495,022
Issue date
Dec 17, 2002
Nippon Denkai, Ltd.
Yasuhiro Endo
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Aryl ester compound, its production process, epoxy resin compositio...
Patent number
6,469,109
Issue date
Oct 22, 2002
Sumitomo Chemical Company, Limited
Youichi Ueda
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Ester compound and thermosetting resin composition using the same
Patent number
6,270,899
Issue date
Aug 7, 2001
Sumitomo Chemical Company, Limited
Yasuhiro Endo
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Cyanite composition and copper-clad laminate using the composition
Patent number
6,037,438
Issue date
Mar 14, 2000
Sumitomo Chemical Company, Limited
Yasuhiro Endo
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Copper-clad laminate with prepreg of epoxy resin and aryl ester
Patent number
5,916,683
Issue date
Jun 29, 1999
Sumitomo Chemical Company, Ltd.
Youichi Ueda
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Unsaturated imide compounds containing alicyclic structure, process...
Patent number
5,750,789
Issue date
May 12, 1998
Sumitomo Chemical Company Limited
Yasuhiro Hirano
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Esterified resorcinol-carbonyl compound condensates and epoxy resin...
Patent number
5,726,257
Issue date
Mar 10, 1998
Sumitomo Chemical Company, Ltd.
Youichi Ueda
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Copper clad laminate, multilayer printed circuit board and their pr...
Patent number
5,569,545
Issue date
Oct 29, 1996
Nippon Denkai Ltd.
Hitoshi Yokono
B32 - LAYERED PRODUCTS
Information
Patent Grant
Cyanate resin composition and copper-clad laminate
Patent number
5,563,237
Issue date
Oct 8, 1996
Sumitomo Chemical Company, Limited
Yasuhiro Endo
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Unsaturated imide compounds containing alicyclic structure, process...
Patent number
5,498,687
Issue date
Mar 12, 1996
Sumitomo Chemical Company, Limited
Yasuhiro Hirano
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Unsaturated imide compounds containing alicyclic structure, process...
Patent number
5,444,165
Issue date
Aug 22, 1995
Sumitomo Chemical Company, Limited
Yasuhiro Hirano
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polyamino oligomers and polymaleimide compounds
Patent number
5,399,715
Issue date
Mar 21, 1995
Sumitomo Chemical Company, Limited
Shigeki Naitoh
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Unsaturated imide compounds containing alicyclic structure, process...
Patent number
5,326,881
Issue date
Jul 5, 1994
Sumitomo Chemical Company Ltd.
Yasuhiro Hirano
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
SURFACE-TREATED COPPER FOIL
Publication number
20240308183
Publication date
Sep 19, 2024
NIPPON DENKAI, LTD.
Yasuhiro ENDO
B32 - LAYERED PRODUCTS
Information
Patent Application
SURFACE-TREATED COPPER FOIL AND METHOD FOR MANUFACTURING SAME
Publication number
20230043755
Publication date
Feb 9, 2023
NIPPON DENKAI, LTD.
Toshio KAWASAKI
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
ELECTROLYTIC COPPER FOIL AND METHOD FOR PRODUCING SAME
Publication number
20220112618
Publication date
Apr 14, 2022
NIPPON DENKAI, LTD.
Toshio KAWASAKI
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
METHOD OF PRODUCING A ROUGHENING-TREATED COPPER FOIL
Publication number
20020182433
Publication date
Dec 5, 2002
Yasuhiro Endo
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
Method of producing copper foil for fine wiring
Publication number
20020053517
Publication date
May 9, 2002
Yasuhiro Endo
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
NOVEL ARYL ESTER COMPOUND, ITS PRODUCTION PROCESS , EPOXY RESIN COM...
Publication number
20020010288
Publication date
Jan 24, 2002
YOUICHI UEDA
C07 - ORGANIC CHEMISTRY