Hideaki Adachi

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Patents Grantslast 30 patents

Information Patent Grant
Headphone stereo control circuit
- Patent number 5,850,459
- Issue date Dec 15, 1998
- Mitsumi Electric Co., Ltd.
- Hideaki Adachi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Amplifying circuit in which variable impedance circuit is used in n...
- Patent number 5,451,904
- Issue date Sep 19, 1995
- Mitsumi Electric Co., Ltd.
- Yukihiro Terada
- H03 - BASIC ELECTRONIC CIRCUITRY