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Yoshihiko Hirayama
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Tokyo, JP
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last 30 patents
Information
Patent Grant
Image printing system
Patent number
5,103,406
Issue date
Apr 7, 1992
Seiko Instruments Inc.
Yoshihiko Hirayama
G06 - COMPUTING CALCULATING COUNTING
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Patent Grant
Electronic timepiece radio
Patent number
4,315,332
Issue date
Feb 9, 1982
Kabushiki Kaisha Daini Seikosha
Ryoichiro Sakami
H04 - ELECTRIC COMMUNICATION TECHNIQUE