Koushiro Kogure

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Tokorozawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Speaker system including phase shift such that the composite sound...
- Patent number 5,828,763
- Issue date Oct 27, 1998
- Pioneer Electronic Corporation
- Shinji Koyano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Loudspeaker
- Patent number 5,115,883
- Issue date May 26, 1992
- Pioneer Electronic Corporation
- Hideaki Morikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE