Yutaka Hattori

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical acoustoelectric transducer
- Patent number 7,391,976
- Issue date Jun 24, 2008
- Kabushiki Kaisha Kenwood
- Okihiro Kobayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Acoustoelectric transducer using optical device
- Publication number 20050163509
- Publication date Jul 28, 2005
- Okihiro Kobayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical acoustoelectric transducer
- Publication number 20030002129
- Publication date Jan 2, 2003
- Okihiro Kobayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical microphone portable telephone
- Publication number 20020048373
- Publication date Apr 25, 2002
- Phone-OR Ltd.
- Alexander Paritsky
- H04 - ELECTRIC COMMUNICATION TECHNIQUE