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Toru Kumagai
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Shiroishi-shi, JP
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last 30 patents
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Patent Grant
Vibration actuator having three vibration modes
Patent number
6,628,798
Issue date
Sep 30, 2003
NEC TOKIN Corporation
Makoto Teshima
B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Patents Applications
last 30 patents
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Patent Application
Vibration actuator having three vibration modes
Publication number
20030112993
Publication date
Jun 19, 2003
NEC TOKIN CORPORATION
Makoto Teshima
B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL