Tsuneo Kuwabara

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Temperature compensating circuit
- Patent number 4,325,036
- Issue date Apr 13, 1982
- Kabushiki Kaisha Daini Seikosha
- Tsuneo Kuwabara
- G04 - HOROLOGY
Information Patent Grant
AT-Cut quartz resonator, with w/t=2.0 to 2.8, l/t<25
- Patent number 4,306,170
- Issue date Dec 15, 1981
- Kabushiki Kaisha Daini Seikosha
- Shunichi Motte
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Rectangular AT-cut quartz resonator
- Patent number 4,247,797
- Issue date Jan 27, 1981
- Kabushiki Kaisha Daini Seikosha
- Naoyuki Echigo
- H03 - BASIC ELECTRONIC CIRCUITRY