Takeo Arima

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Signal control system using two synchronous ring counter circuits
- Patent number 4,973,943
- Issue date Nov 27, 1990
- Takeo Arima
- G08 - SIGNALLING
Information Patent Grant
Fire alarm system
- Patent number 4,300,132
- Issue date Nov 10, 1981
- Hochiki Corporation
- Takeo Arima
- G08 - SIGNALLING
Information Patent Grant
Power-supply device which boosts and stabilizes the voltage
- Patent number 4,246,635
- Issue date Jan 20, 1981
- Hochiki Corporation
- Takeo Arima
- G08 - SIGNALLING
Information Patent Grant
Single station type ionization smoke sensor
- Patent number 4,223,305
- Issue date Sep 16, 1980
- Hochiki Corporation
- Takeo Arima
- G08 - SIGNALLING