Mitsuo Sekine

Person

Tokorozawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Voltage sensing circuit
- Patent number 4,507,572
- Issue date Mar 26, 1985
- Citizen Watch Co., Ltd.
- Shingo Hashimoto
- G05 - CONTROLLING REGULATING
Information Patent Grant
Temperature sensing device
- Patent number 4,448,549
- Issue date May 15, 1984
- Citizen Watch Company Limited
- Shingo Hashimoto
- G01 - MEASURING TESTING
Information Patent Grant
Analogue electronic timepiece with an alarm device
- Patent number 4,320,479
- Issue date Mar 16, 1982
- Citizen Watch Co., Ltd.
- Mitsuo Sekine
- G04 - HOROLOGY
Information Patent Grant
Electronic timepiece having an alarm system
- Patent number 4,293,939
- Issue date Oct 6, 1981
- Citizen Watch Company Limited
- Yasuhiko Nishikubo
- G04 - HOROLOGY
Information Patent Grant
Electronic alarm timepiece
- Patent number 4,280,210
- Issue date Jul 21, 1981
- Citizen Watch Co., Ltd.
- Yasuhiko Nishikubo
- G04 - HOROLOGY
Information Patent Grant
Electronic timepiece equipped with alarm function
- Patent number 4,255,803
- Issue date Mar 10, 1981
- Citizen Watch Company Limited
- Mitsuo Sekine
- G04 - HOROLOGY
Information Patent Grant
Electronic digital stop watch
- Patent number 4,240,154
- Issue date Dec 16, 1980
- Citizen Watch Co., Ltd.
- Mitsuo Sekine
- G04 - HOROLOGY
Information Patent Grant
Frequency adjusting circuit
- Patent number 4,225,824
- Issue date Sep 30, 1980
- Citizen Watch Co. Ltd.
- Mitsuo Sekine
- G04 - HOROLOGY
Information Patent Grant
Driving circuit for electrochromic display devices
- Patent number 4,173,758
- Issue date Nov 6, 1979
- Citizen Watch Co., Ltd.
- Mitsuo Sekine
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Mitsuo Sekine

Person

Patents Grantslast 30 patents

Voltage sensing circuit

Temperature sensing device

Analogue electronic timepiece with an alarm device

Electronic timepiece having an alarm system

Electronic alarm timepiece

Electronic timepiece equipped with alarm function

Electronic digital stop watch

Frequency adjusting circuit

Driving circuit for electrochromic display devices