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Heihachiro Ebihara
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Tokyo, JA
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last 30 patents
Information
Patent Grant
Driver circuit for electrochromic display device
Patent number
4,096,412
Issue date
Jun 20, 1978
Citizen Watch Company, Limited
Fukuo Sekiya
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Timepiece apparatus
Patent number
4,087,958
Issue date
May 9, 1978
Citizen Watch Company, Limited
Heihachiro Ebihara
G04 - HOROLOGY
Information
Patent Grant
Driver circuit for driving electrochromic display device
Patent number
4,074,256
Issue date
Feb 14, 1978
Citizen Watch Company Limited
Fukuo Sekiya
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Method and apparatus for driving electrochromic display device
Patent number
4,060,974
Issue date
Dec 6, 1977
Citizen Watch Company Limited
Minoru Natori
G04 - HOROLOGY
Information
Patent Grant
Timepiece testing apparatus
Patent number
4,030,338
Issue date
Jun 21, 1977
Citizen Watch Co., Ltd.
Heihachiro Ebihara
G04 - HOROLOGY
Information
Patent Grant
Electronic device for detecting the energized state of a liquid cry...
Patent number
4,011,002
Issue date
Mar 8, 1977
Citizen Watch Co., Ltd.
Heihachiro Ebihara
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Electronic timepiece
Patent number
4,006,584
Issue date
Feb 8, 1977
Citizen Watch Co., Ltd.
Shingo Hashimoto
G04 - HOROLOGY
Information
Patent Grant
Electronic device for monitoring power consumption of an electro-op...
Patent number
4,001,808
Issue date
Jan 4, 1977
Citizen Watch Co., Ltd.
Heihachiro Ebihara
G06 - COMPUTING CALCULATING COUNTING