Motoyama; Yu
Patent Applications and Registrations
Patent applications and USPTO patent grants for Motoyama; Yu.The latest application filed is for "operating method of two stroke direct injected engine".
- Motoyama; Yu - Iwata JP
| Patent | Date |
|---|---|
| Operating method of two stroke direct injected engine Grant 6,109,223 - Motoyama , et al. August 29, 2 | 2000-08-29 |
| Ignition control system for engine Grant 6,085,733 - Motoyama , et al. July 11, 2 | 2000-07-11 |
| Fuel injection control Grant 5,613,468 - Ibara , et al. March 25, 1 | 1997-03-25 |
| Fuel injection system for engine Grant 5,211,145 - Ichikawa , et al. May 18, 1 | 1993-05-18 |
| Fuel injection system Grant 5,193,508 - Motoyama , et al. March 16, 1 | 1993-03-16 |
| Injection arrangement for improving fuel consumption Grant 5,190,006 - Motoyama , et al. March 2, 1 | 1993-03-02 |
| Operation control device for in-cylinder injection engine Grant 5,181,493 - Motoyama , et al. January 26, 1 | 1993-01-26 |
| Two cycle internal combustion engine Grant 5,113,829 - Motoyama May 19, 1 | 1992-05-19 |
| Fuel injection system and method for engine Grant 5,095,873 - Motoyama , et al. March 17, 1 | 1992-03-17 |
| Fuel injecting system for two cycle engine Grant 5,092,287 - Motoyama , et al. March 3, 1 | 1992-03-03 |
| Exhaust control valve system for parallel multi-cylinder two-cycle engine Grant 5,063,887 - Ozawa , et al. November 12, 1 | 1991-11-12 |
| Exhaust control valve system for parallel multi-cylinder two-cycle engine Grant 5,063,888 - Ozawa , et al. November 12, 1 | 1991-11-12 |
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