Hirobumi Tanaka

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Hamamatsu-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Howling suppression apparatus and computer readable recording medium
- Patent number 8,311,237
- Issue date Nov 13, 2012
- Yamaha Corporation
- Hirobumi Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Anti-feedback device and anti-feedback method
- Patent number 8,218,788
- Issue date Jul 10, 2012
- Yamaha Corporation
- Hiraku Okumura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Anti-Feedback Device and Anti-Feedback Method
- Publication number 20100166213
- Publication date Jul 1, 2010
- Yamaha Corporation
- Hiraku Okumura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Howling Suppression Apparatus and Computer Readable Recording Medium
- Publication number 20090196433
- Publication date Aug 6, 2009
- Yamaha Corporation
- Hirobumi Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE