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Takeshi Yoshida
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Shimodate, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method for producing apertures in a diffuse reflector layer having...
Patent number
7,889,310
Issue date
Feb 15, 2011
Hitachi Chemical Company, Ltd.
Takehisa Yoshikawa
G02 - OPTICS
Information
Patent Grant
Device and method for lamination
Patent number
6,500,291
Issue date
Dec 31, 2002
Hitachi Chemical Co. Ltd.
Naoto Okada
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Heat transmitting member and method of manufacturing the same
Patent number
5,943,543
Issue date
Aug 24, 1999
Hitachi Chemical Company, Ltd.
Tatsuya Uchida
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for producing porous bodies
Patent number
5,881,353
Issue date
Mar 9, 1999
Hitachi Chemical Company, Ltd.
Yasuo Kamigata
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Process for forming insulating film used in thin film electrolumine...
Patent number
4,895,734
Issue date
Jan 23, 1990
Hitachi Chemical Company, Ltd.
Takeshi Yoshida
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Process for producing phenolic resins
Patent number
4,229,330
Issue date
Oct 21, 1980
Hitachi Chemical Company, Ltd.
Susumu Konii
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for producing internally plasticized phenolic resins
Patent number
4,209,429
Issue date
Jun 24, 1980
Hitachi Chemical Company, Ltd.
Susumu Konii
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR MANUFACTURING REFLECTIVE FILM WITH OPENING AND LIQUID CR...
Publication number
20070177079
Publication date
Aug 2, 2007
Takehisa Yoshikawa
G02 - OPTICS