Douyama; Yoshiaki
Patent Applications and Registrations
Patent applications and USPTO patent grants for Douyama; Yoshiaki.The latest application filed is for "throttle cable retainer".
- Douyama; Yoshiaki - Shibata-Machi JP
- Douyama; Yoshiaki - Shibata-Gun JP
- Douyama; Yoshiaki - Shiroishi JP
- Douyama; Yoshiaki - Shiroishi-City JP
- Douyama; Yoshiaki - Miyagi JP
| Patent | Date |
|---|---|
| Throttle cable retainer Grant 9,447,737 - Nagata , et al. September 20, 2 | 2016-09-20 |
| Throttle Cable Retainer App 20140366841 - Nagata; Noriyu ; et al. | 2014-12-18 |
| Layered scavenging carburetor Grant 8,261,775 - Aihara , et al. September 11, 2 | 2012-09-11 |
| Layered Scavenging Carburetor App 20090194726 - Aihara; Tamio ; et al. | 2009-08-06 |
| Integrated fuel delivery system Grant 7,475,678 - Douyama , et al. January 13, 2 | 2009-01-13 |
| Scavenging carburetor Grant 7,429,033 - Seki , et al. September 30, 2 | 2008-09-30 |
| Fluid pump assembly Grant 7,318,422 - Douyama , et al. January 15, 2 | 2008-01-15 |
| Bypass pressure regulator Grant 7,210,460 - Douyama , et al. May 1, 2 | 2007-05-01 |
| Fluid pump assembly App 20070025866 - Douyama; Yoshiaki ; et al. | 2007-02-01 |
| Bypass pressure regulator App 20060236983 - Douyama; Yoshiaki ; et al. | 2006-10-26 |
| Rotary throttle valve carburetor Grant 7,114,708 - Douyama , et al. October 3, 2 | 2006-10-03 |
| Integrated fuel delivery system App 20060207573 - Douyama; Yoshiaki ; et al. | 2006-09-21 |
| Scavenging carburetor App 20060125125 - Seki; Harunori ; et al. | 2006-06-15 |
| Rotary throttle valve carburetor App 20040251565 - Douyama, Yoshiaki ; et al. | 2004-12-16 |
| Needle valve carburetor Grant 6,302,384 - Douyama October 16, 2 | 2001-10-16 |
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