Hiromi Katoh

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Differential amplifier device
- Patent number 5,994,962
- Issue date Nov 30, 1999
- Mitsumi Electric Co., Ltd.
- Shigemitsu Watanabe
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Crystal oscillator with a temperature-compensating analog circuit
- Patent number 5,883,550
- Issue date Mar 16, 1999
- Mitsumi Electric Co., Ltd.
- Shigemitsu Watanabe
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Quick starting oscillator circuit having low power consumption
- Patent number 5,834,982
- Issue date Nov 10, 1998
- Mitsumi Electric Co., Ltd.
- Shigemitsu Watanabe
- H03 - BASIC ELECTRONIC CIRCUITRY