Tsukahara; Koju
Patent Applications and Registrations
Patent applications and USPTO patent grants for Tsukahara; Koju.The latest application filed is for "exhaust gas sensor".
- Tsukahara; Koju - Shizuoka-ken JP
- Tsukahara; Koju - Hamamatsu-shi JP
- Tsukahara; Koju - Shizuoka JP
| Patent | Date |
|---|---|
| Exhaust gas sensor Grant 8,016,989 - Tsukahara , et al. September 13, 2 | 2011-09-13 |
| Exhaust control device for water jet propulsion boat Grant 7,536,855 - Tsukahara May 26, 2 | 2009-05-26 |
| Exhaust gas sensor App 20060042946 - Tsukahara; Koju ; et al. | 2006-03-02 |
| Exhaust control device for water jet propulsion boat App 20060026951 - Tsukahara; Koju | 2006-02-09 |
| Secondary thrust arrangement for small watercraft Grant 6,530,812 - Koyano , et al. March 11, 2 | 2003-03-11 |
| Secondary thrust arrangement for small watercraft App 20020077008 - Koyano, Satoshi ; et al. | 2002-06-20 |
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