Hirosawa; Yoshiaki
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hirosawa; Yoshiaki.The latest application filed is for "reverse driving device for an autobicycle".
- Hirosawa; Yoshiaki - Saitama JP
- Hirosawa; Yoshiaki - Shiki JP
- Hirosawa; Yoshiaki - Tokyo JA
- Hirosawa; Yoshiaki - Tokorozawa JA
| Patent | Date |
|---|---|
| Reverse driving device for an autobicycle Grant 4,923,028 - Yamashita , et al. May 8, 1 | 1990-05-08 |
| Valve operation control system in internal combustion engine Grant 4,917,056 - Yagi , et al. April 17, 1 | 1990-04-17 |
| Reverse drive for small vehicles Grant 4,869,332 - Fujita , et al. September 26, 1 | 1989-09-26 |
| Reverse drive for small vehicles Grant 4,763,538 - Fujita , et al. August 16, 1 | 1988-08-16 |
| Ignition timing control system for internal combustion engine Grant 4,748,952 - Yagi , et al. June 7, 1 | 1988-06-07 |
| Ignition timing control method for internal combustion engine Grant 4,745,902 - Yagi , et al. May 24, 1 | 1988-05-24 |
| Ignition timing control system for internal combustion engines Grant 4,694,799 - Yagi , et al. September 22, 1 | 1987-09-22 |
| Engine ignition interpolation apparatus Grant 4,494,518 - Katayama , et al. January 22, 1 | 1985-01-22 |
| An engine ignition control circuit having a failsafe for a crank angle sensor Grant 4,485,784 - Fujii , et al. December 4, 1 | 1984-12-04 |
| Engine ignition system Grant 4,457,286 - Katayama , et al. July 3, 1 | 1984-07-03 |
| Automatic choke valve apparatus in an internal combustion engine Grant 4,027,640 - Hirosawa , et al. June 7, 1 | 1977-06-07 |
| Automatic choke valve apparatus in an internal combustion engine Grant 4,011,844 - Hirosawa , et al. March 15, 1 | 1977-03-15 |
| Automatic choke valve apparatus in an internal combustion engine Grant 4,005,690 - Hirosawa , et al. February 1, 1 | 1977-02-01 |
| Automatic choke valve apparatus for an internal combustion engine Grant 3,948,240 - Hirosawa , et al. April 6, 1 | 1976-04-06 |
| Gas detecting device Grant 3,903,726 - Hirosawa , et al. September 9, 1 | 1975-09-09 |
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