Akira Yoneyama

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Yamanashi-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electrical acoustic converter
- Patent number 7,010,142
- Issue date Mar 7, 2006
- Citizen Electronics Co., Ltd.
- Atsushi Kuwabara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Vibrating device for transmitting information
- Patent number 6,720,691
- Issue date Apr 13, 2004
- Citizen Electronics Co., Ltd.
- Akira Yoneyama
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Multiple-function convertor for converting electric signals to vibr...
- Patent number 6,553,125
- Issue date Apr 22, 2003
- Citizen Electronics Co., Ltd.
- Takashi Kobayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multifunction acoustic device
- Patent number 6,529,611
- Issue date Mar 4, 2003
- Citizen Electronics Co., Ltd.
- Takashi Kobayashi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Electrical acoustic converter
- Publication number 20040105564
- Publication date Jun 3, 2004
- Citizen Electronics Co., Ltd.
- Atsushi Kuwabara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Vibrating device for transmitting information
- Publication number 20030102739
- Publication date Jun 5, 2003
- CITIZEN ELECTRONICS CO., LTD.
- Akira Yoneyama
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Multifunction acoustic device
- Publication number 20020076077
- Publication date Jun 20, 2002
- CITIZEN ELECTRONICS CO., LTD.
- Takashi Kobayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Multiple-function convertor for converting electric signals to vibr...
- Publication number 20020051557
- Publication date May 2, 2002
- CITIZEN ELECTRONICS CO.,LTD.
- Takashi Kobayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE