Kenji Kawano

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Hamamatsu-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Connection state determination system for speakers, acoustic device...
- Patent number 10,555,083
- Issue date Feb 4, 2020
- Yamaha Corporation
- Atsushi Usui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
CONNECTION STATE DETERMINATION SYSTEM FOR SPEAKERS, ACOUSTIC DEVICE...
- Publication number 20190281388
- Publication date Sep 12, 2019
- Yamaha Corporation
- Atsushi USUI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Acoustic Device and Acoustic Processing Method
- Publication number 20150271615
- Publication date Sep 24, 2015
- Yamaha Corporation
- Masaya Kano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE