Hisamoto; Sadatoshi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hisamoto; Sadatoshi.The latest application filed is for "diaphragm or dust cap and speaker unit".
- Hisamoto; Sadatoshi - Osaka JP
- Hisamoto; Sadatoshi - Neyagawa N/A JP
- HISAMOTO; Sadatoshi - Neyagawa-shi JP
| Patent | Date |
|---|---|
| Diaphragm or dust cap and speaker unit Grant 10,805,732 - Inoue , et al. October 13, 2 | 2020-10-13 |
| Diaphragm Or Dust Cap And Speaker Unit App 20200077197 - INOUE; Takeru ; et al. | 2020-03-05 |
| Broadcast wave receiving system Grant 8,391,512 - Minakawa , et al. March 5, 2 | 2013-03-05 |
| Speaker cabinet and speaker using the same Grant 8,036,409 - Hisamoto , et al. October 11, 2 | 2011-10-11 |
| Broadcast Wave Receiving System App 20110075721 - MINAKAWA; Atsushi ; et al. | 2011-03-31 |
| Speaker diaphragm and speaker using the same Grant 7,567,684 - Ono , et al. July 28, 2 | 2009-07-28 |
| Speaker Cabinet And Speaker Using The Same App 20080075311 - HISAMOTO; Sadatoshi ; et al. | 2008-03-27 |
| Pulse-width modulation circuit and switching amplifier using the same Grant 7,102,405 - Hisamoto , et al. September 5, 2 | 2006-09-05 |
| Speaker diaphragm and speaker using the same App 20060062422 - Ono; Yushi ; et al. | 2006-03-23 |
| Heatsink arrangement for semiconductor device Grant 6,984,887 - Umezu , et al. January 10, 2 | 2006-01-10 |
| Surround-sound processing system Grant 6,956,954 - Takemura , et al. October 18, 2 | 2005-10-18 |
| Pulse-width modulation circuit and switching amplifier using the same App 20050029994 - Hisamoto, Sadatoshi ; et al. | 2005-02-10 |
| Heatsink arrangement for semiconductor device App 20040164405 - Umezu, Norio ; et al. | 2004-08-26 |
| Pulse width modulation circuit Grant 6,765,449 - Murayama , et al. July 20, 2 | 2004-07-20 |
| Pulse width modulation circuit App 20030160661 - Murayama, Kazutaka ; et al. | 2003-08-28 |
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