Kunio Kosaka

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Speaker and speaker system
- Patent number 6,804,365
- Issue date Oct 12, 2004
- Fujitsu Limited
- Tatsuhiro Ohira
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Speaker and speaker system
- Publication number 20020114485
- Publication date Aug 22, 2002
- FUJITSU LIMITED
- Tatsuhiro Ohira
- H04 - ELECTRIC COMMUNICATION TECHNIQUE