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Hideaki Imai
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Fuji, JP
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last 30 patents
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Patent Grant
Nitride based semiconductor device and manufacture thereof
Patent number
5,602,418
Issue date
Feb 11, 1997
Asahi Kasei Kogyo Kabushiki Kaisha
Hideaki Imai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Magnetic materials containing rare earth element iron nitrogen and...
Patent number
5,186,766
Issue date
Feb 16, 1993
Asahi Kasei Kogyo Kabushiki Kaisha
Takahiko Iriyama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process for adsorption treatment of dissolved fluorine
Patent number
4,717,554
Issue date
Jan 5, 1988
Asahi Kasei Kogyo Kabushiki Kaisha
Junji Nomura
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE