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Naoyuki Amaya
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Tokyo, JP
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last 30 patents
Information
Patent Grant
Low dielectric polymer and film, substrate and electronic part usin...
Patent number
5,914,283
Issue date
Jun 22, 1999
TDK Corporation
Toshiaki Yamada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Contact lens
Patent number
5,883,152
Issue date
Mar 16, 1999
Nippon Oil and Fats Co., Ltd.
Keizo Anan
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Ultrathin membrane of polymethacrylate or polycrotonate and device...
Patent number
5,209,847
Issue date
May 11, 1993
Nippon Oil and Fats Co., Ltd.
Norihiro Kaiya
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Transparent optical article and process for preparing same
Patent number
4,948,854
Issue date
Aug 14, 1990
Naoyuki Amaya
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Contact lens article made of silicon- and fluorine-containing resin
Patent number
4,933,406
Issue date
Jun 12, 1990
Nippon Oil and Fats Co., Ltd.
Keizo Anan
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Optical resin from diallyl esters
Patent number
4,855,374
Issue date
Aug 8, 1989
Nippon Oil and Fats Co., Ltd.
Yoshishige Murata
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for modifying polyfumaric acid diester
Patent number
4,670,520
Issue date
Jun 2, 1987
Nippon Oil & Fat Co., Ltd.
Takayuki Otsu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...