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Kazuhiro Katagiri
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Sendai, JP
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last 30 patents
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Patent Grant
Coordinate position of moving light source by using separated group...
Patent number
6,014,129
Issue date
Jan 11, 2000
Alps Electric Co., Ltd.
Yuichi Umeda
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Apparatus for inclination detection and input apparatus using this...
Patent number
5,963,194
Issue date
Oct 5, 1999
Alps Electric Co. Ltd.
Yuichi Umeda
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Space coordinates detecting device and input apparatus using same
Patent number
5,627,565
Issue date
May 6, 1997
Alps Electric Co., Ltd.
Ichiro Morishita
G06 - COMPUTING CALCULATING COUNTING