Katsuhiro Yoneyama

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing a small vibration motor
- Patent number 7,222,409
- Issue date May 29, 2007
- Sony Corporation
- Koji Yoshida
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Small vibration motor and method of manufacturing the same
- Patent number 7,157,822
- Issue date Jan 2, 2007
- Sony Corporation
- Koji Yoshida
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electronic device and method for manufacturing electronic device
- Patent number 6,002,592
- Issue date Dec 14, 1999
- Sony Corporation
- Toshifumi Nakamura
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Small vibration motor and method of manufacturing the same
- Publication number 20050140223
- Publication date Jun 30, 2005
- Sony Corporation
- Koji Yoshida
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Small vibration motor and method of manufacturing the same
- Publication number 20040130226
- Publication date Jul 8, 2004
- Koji Yoshida
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC