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Yoichi Ryokai
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Kawasaki, JP
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last 30 patents
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Patent Grant
Method of manufacturing semiconductor device having low contact res...
Patent number
5,972,768
Issue date
Oct 26, 1999
Fuji Electric Co. Ltd.
Yoshihiko Nagayasu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Field emission type electron emitting device and method of producin...
Patent number
5,866,438
Issue date
Feb 2, 1999
Fuji Electric Co., Ltd.
Junji Itoh
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Field emission type electron emitting device with convex insulating...
Patent number
5,793,153
Issue date
Aug 11, 1998
Fuji Electric Co., Ltd.
Junji Itoh
H01 - BASIC ELECTRIC ELEMENTS