Kogure; Koushiro
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kogure; Koushiro.The latest application filed is for "speaker system including phase shift such that the composite sound wave decreases on the principal speaker axis".
- Kogure; Koushiro - Saitama JP
- Kogure; Koushiro - Tokorozawa JP
| Patent | Date |
|---|---|
| Speaker system including phase shift such that the composite sound wave decreases on the principal speaker axis Grant 5,828,763 - Koyano , et al. October 27, 1 | 1998-10-27 |
| Loudspeaker Grant 5,115,883 - Morikawa , et al. May 26, 1 | 1992-05-26 |
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