Shigemichi Sakata

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Tokyo, JP

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Patents Applicationslast 30 patents

Information Patent Application
Vibration-generating device and portable telephone comprising the same
- Publication number 20030107336
- Publication date Jun 12, 2003
- Koichi Kobayashi
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Application
Vibration generating device and cellular phones using the same
- Publication number 20030072441
- Publication date Apr 17, 2003
- Koichi Kobayashi
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL