MASAO IMANISHI

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Hamamatsu-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Diaphragm for speaker and manufacturing method therefor
- Patent number 7,775,319
- Issue date Aug 17, 2010
- Yamaha Corporation
- Masao Imanishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Surface acoustic wave device
- Patent number 6,538,359
- Issue date Mar 25, 2003
- Yamaha Corporation
- Tatsuya Hiraku
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Sound absorbing material and method of production therefor
- Patent number 5,820,975
- Issue date Oct 13, 1998
- Nippon Steel Chemical Co., Ltd.
- Katsutoshi Oda
- B32 - LAYERED PRODUCTS

Patents Applicationslast 30 patents

Information Patent Application
DIAPHRAGM FOR SPEAKER AND MANUFACTURING METHOD THEREFOR
- Publication number 20080006475
- Publication date Jan 10, 2008
- Yamaha Corporation
- MASAO IMANISHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE