Yuyama; Yasuo
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yuyama; Yasuo.The latest application filed is for "headphone device".
- Yuyama; Yasuo - Kanagawa JP
- Yuyama; Yasuo - Tokyo JP
| Patent | Date |
|---|---|
| Headphone device Grant 8,270,655 - Ito , et al. September 18, 2 | 2012-09-18 |
| Headphone Grant D599,777 - Yuyama September 8, 2 | 2009-09-08 |
| Radio receiver Grant D598,892 - Wada , et al. August 25, 2 | 2009-08-25 |
| Headphone Grant D588,099 - Yuyama March 10, 2 | 2009-03-10 |
| Headphone Grant D587,678 - Yuyama March 3, 2 | 2009-03-03 |
| Headphone Device App 20090052718 - ITO; Tomohiro ; et al. | 2009-02-26 |
| Combined disc player and amplifier Grant D550,638 - Yuyama September 11, 2 | 2007-09-11 |
| Speaker box Grant D547,750 - Yuyama July 31, 2 | 2007-07-31 |
| Combined disc player and amplifier Grant D547,287 - Yuyama July 24, 2 | 2007-07-24 |
| Combined disc player and amplifier Grant D547,286 - Yuyama July 24, 2 | 2007-07-24 |
| Audio player Grant D546,348 - Yuyama July 10, 2 | 2007-07-10 |
| Speaker box Grant D542,775 - Yuyama May 15, 2 | 2007-05-15 |
| Speaker box Grant D540,310 - Yuyama April 10, 2 | 2007-04-10 |
| Speaker box Grant D540,309 - Yuyama April 10, 2 | 2007-04-10 |
| Audio/data disc player Grant D505,129 - Yuyama May 17, 2 | 2005-05-17 |
| Audio/data disc player Grant D505,130 - Yuyama May 17, 2 | 2005-05-17 |
| Headphone Grant D453,015 - Yuyama January 22, 2 | 2002-01-22 |
| Radio receiver Grant D450,680 - Yuyama November 20, 2 | 2001-11-20 |
| Headphone Grant D443,261 - Yuyama June 5, 2 | 2001-06-05 |
| Selector for selecting audio visual apparatuses Grant D435,520 - Yuyama December 26, 2 | 2000-12-26 |
| Headphone Grant D435,537 - Yuyama December 26, 2 | 2000-12-26 |
| Speaker box Grant D435,035 - Kumagai , et al. December 12, 2 | 2000-12-12 |
| Microphone Grant D433,013 - Yuyama , et al. October 31, 2 | 2000-10-31 |
| Microphone Grant D431,817 - Yuyama , et al. October 10, 2 | 2000-10-10 |
| Disc player Grant D431,543 - Yuyama October 3, 2 | 2000-10-03 |
| Disc player Grant D425,889 - Yuyama May 30, 2 | 2000-05-30 |
| Controller for disc recorder Grant D412,332 - Yuyama July 27, 1 | 1999-07-27 |
| Amplifier Grant D396,720 - Yuyama August 4, 1 | 1998-08-04 |
| Speaker box Grant D393,642 - Yuyama April 21, 1 | 1998-04-21 |
| Television Grant D391,251 - Yuyama , et al. February 24, 1 | 1998-02-24 |
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