Toshifumi Okamura

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Patents Grantslast 30 patents

Information Patent Grant
Multichannel amplifier
- Patent number 8,054,998
- Issue date Nov 8, 2011
- ONKYO Corporation
- Toshifumi Okamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
MULTICHANNEL AMPLIFIER
- Publication number 20080279402
- Publication date Nov 13, 2008
- Toshifumi Okamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE