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Osamu Hirata
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Kawasaki, JP
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last 30 patents
Information
Patent Grant
Method of making layer containing magnetic material
Patent number
5,425,844
Issue date
Jun 20, 1995
Kabushiki Kaisha Toshiba
Osamu Hirata
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method of determining end of cleaning of semiconductor manufacturin...
Patent number
5,169,407
Issue date
Dec 8, 1992
Kabushiki Kaisha Toshiba
Yasukazu Mase
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method and apparatus for cleaning semiconductor devices
Patent number
5,100,476
Issue date
Mar 31, 1992
Kabushiki Kaisha Toshiba
Yasukazu Mase
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of determining end of cleaning of semiconductor manufacturin...
Patent number
5,016,663
Issue date
May 21, 1991
Kabushiki Kaisha Toshiba
Yasukazu Mase
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Making a semiconductor device with ammonia treatment of photoresist
Patent number
4,985,374
Issue date
Jan 15, 1991
Kabushiki Kaisha Toshiba
Hitoshi Tsuji
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY