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Masateru Yoshida
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Itami, JA
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Patents Grants
last 30 patents
Information
Patent Grant
Liquid crystal display wrist watch
Patent number
4,083,177
Issue date
Apr 11, 1978
Citizen Watch Co. Ltd.
Katsuo Nishimura
G02 - OPTICS
Information
Patent Grant
Liquid crystal display electronic watch
Patent number
4,020,627
Issue date
May 3, 1977
Citizen Watch Co., Ltd.
Masateru Yoshida
G04 - HOROLOGY
Information
Patent Grant
Digital display type electronic time keeper
Patent number
3,979,899
Issue date
Sep 14, 1976
Mitsubishi Denki Kabushiki Kaisha
Masateru Yoshida
G04 - HOROLOGY
Information
Patent Grant
Liquid crystal display cell
Patent number
3,973,388
Issue date
Aug 10, 1976
Citizen Watch Co., Ltd.
Masateru Yoshida
G02 - OPTICS