Sumitani; Yoichiro
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sumitani; Yoichiro.The latest application filed is for "shallow sub woofer".
- Sumitani; Yoichiro - Rancho Palos Verdes CA
| Patent | Date |
|---|---|
| Shallow sub woofer Grant 10,694,296 - Sumitani , et al. | 2020-06-23 |
| Shallow Sub Woofer App 20190335279 - SUMITANI; YOICHIRO ; et al. | 2019-10-31 |
| Shallow sub woofer Grant 10,349,180 - Sumitani , et al. July 9, 2 | 2019-07-09 |
| Shallow Sub Woofer App 20180192201 - SUMITANI; YOICHIRO ; et al. | 2018-07-05 |
| Passive Radiator App 20150195629 - Sumitani; Yoichiro ; et al. | 2015-07-09 |
| Grille attachment for loudspeaker Grant 8,897,481 - Sumitani , et al. November 25, 2 | 2014-11-25 |
| Grille Attachment For Loudspeaker App 20140233786 - Sumitani; Yoichiro ; et al. | 2014-08-21 |
| Universal angle loudspeaker bracket Grant 8,724,842 - Sumitani , et al. May 13, 2 | 2014-05-13 |
| Single magnet coaxial loudspeaker Grant 8,693,723 - Lin , et al. April 8, 2 | 2014-04-08 |
| Universal Angle Loudspeaker Bracket App 20130251187 - Sumitani; Yoichiro ; et al. | 2013-09-26 |
| Single Magnet Coaxial Loudspeaker App 20120257783 - Lin; Chun-Yi ; et al. | 2012-10-11 |
| Interchangeable bar loudspeaker system Grant 8,229,152 - Sumitani , et al. July 24, 2 | 2012-07-24 |
| Interchangeable magnet loudspeaker Grant 8,175,319 - Sumitani , et al. May 8, 2 | 2012-05-08 |
| Single magnet coaxial loudspeaker Grant 8,175,320 - Lin , et al. May 8, 2 | 2012-05-08 |
| Reversible speaker grill attachment Grant 8,085,967 - Sumitani , et al. December 27, 2 | 2011-12-27 |
| Loudspeaker bobbin interconnection assembly Grant 7,970,162 - Sumitani , et al. June 28, 2 | 2011-06-28 |
| Loudspeaker with cone-coupled damper Grant 7,899,202 - Sumitani , et al. March 1, 2 | 2011-03-01 |
| Interchangeable Bar Loudspeaker System App 20100008522 - Sumitani; Yoichiro ; et al. | 2010-01-14 |
| Interchangeable Magnet Loudspeaker App 20090310813 - Sumitani; Yoichiro ; et al. | 2009-12-17 |
| Loudspeaker Interconnect Terminal App 20090185694 - Sumitani; Yoichiro ; et al. | 2009-07-23 |
| Single Magnet Coaxial Loudspeaker App 20090003632 - Lin; Chun-Yi ; et al. | 2009-01-01 |
| Terminal assembly for selectively coupling loads in parallel and in series Grant 7,458,845 - Sumitani , et al. December 2, 2 | 2008-12-02 |
| Terminal for selectively coupling loads in parallel or in series Grant 7,410,361 - Sumitani , et al. August 12, 2 | 2008-08-12 |
| Terminal for selectively coupling loads in parallel or in series App 20080090470 - Sumitani; Yoichiro ; et al. | 2008-04-17 |
| Loudspeaker bobbin interconnection assembly App 20080080736 - Sumitani; Yoichiro ; et al. | 2008-04-03 |
| Terminal assembly for selectively coupling loads in parallel and in series App 20070293082 - Sumitani; Yoichiro ; et al. | 2007-12-20 |
| Reversible speaker grill attachment App 20070274554 - Sumitani; Yoichiro ; et al. | 2007-11-29 |
| Loudspeaker with cone-coupled damper App 20070242850 - Sumitani; Yoichiro ; et al. | 2007-10-18 |
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