Hitoshi Toda

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Kobe, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of fabricating the diaphragm unit of a condenser microphone...
- Patent number 5,038,459
- Issue date Aug 13, 1991
- Hosiden Electronics Co., Ltd.
- Mamoru Yasuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Diaphragm unit of a condenser microphone, a method of fabricating t...
- Patent number 5,014,322
- Issue date May 7, 1991
- Hosiden Electronics Co., Ltd.
- Mamoru Yasuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE