Sakurai; Sadaaki
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sakurai; Sadaaki.The latest application filed is for "planar speaker".
- Sakurai; Sadaaki - Tokyo JP
- Sakurai; Sadaaki - Tokohama JP
- Sakurai; Sadaaki - Yokohama JP
| Patent | Date |
|---|---|
| Planar speaker Grant 7,283,636 - Nishimura , et al. October 16, 2 | 2007-10-16 |
| Planar speaker App 20050152577 - Nishimura, Takeshi ; et al. | 2005-07-14 |
| Electro-acoustic transducer Grant 4,281,223 - Ugaji , et al. July 28, 1 | 1981-07-28 |
| Diaphragm for a loudspeaker Grant 4,275,278 - Sakurai , et al. June 23, 1 | 1981-06-23 |
| Loudspeaker system with heat pipe Grant 4,210,778 - Sakurai , et al. July 1, 1 | 1980-07-01 |
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