Hitoshi Satou

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Patents Grantslast 30 patents

Information Patent Grant
Speaker diaphragm, speaker dust cap, speaker sub-cone, speaker usin...
- Patent number 8,199,964
- Issue date Jun 12, 2012
- Panasonic Corporation
- Kazuyoshi Mimura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
SPEAKER DIAPHRAGM, SPEAKER DUST CAP, SPEAKER SUB-CONE, SPEAKER USIN...
- Publication number 20090080687
- Publication date Mar 26, 2009
- Matsushita Electric Industrial Co., Ltd.
- Kazuyoshi Mimura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE