Tomohiro Suenaga

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Saitama-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Surroundless loudspeaker
- Patent number 5,848,173
- Issue date Dec 8, 1998
- Pioneer Electronic Corporation
- Yoko Sato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Loudspeaker for higher audio frequencies and a manufacturing method...
- Patent number 5,719,946
- Issue date Feb 17, 1998
- Pioneer Electronic Corporation
- Shouichiro Terauchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE