Yukio Sone

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Ibaraki-Shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Speaker diaphragm edge and its manufacturing method
- Patent number 6,988,584
- Issue date Jan 24, 2006
- Matsushita Electric Industrial Co., Ltd.
- Yoshiyuki Takahashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Ink for screen printing, method for producing same, and method for...
- Publication number 20070148353
- Publication date Jun 28, 2007
- Shinya Mizone
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Speaker diaphragm edge and its manufacturing method
- Publication number 20040026164
- Publication date Feb 12, 2004
- Yoshiyuki Takahashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE