Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5794587 | Tumble valve for multi-valve engine | — | 1998-08-18 |
| 5564383 | Tumble valve arrangement for engine | Takao Kawai | 1996-10-15 |
| 5549088 | Induction system for engine | — | 1996-08-27 |
| 5487365 | Induction system for engine | — | 1996-01-30 |
| 5359972 | Tumble control valve for intake port | — | 1994-11-01 |
| 5311848 | Induction system for engine | Masahiro Ito | 1994-05-17 |
| 5255649 | Intake air control system for the engine | — | 1993-10-26 |
| 5233952 | Pump drive for engine | — | 1993-08-10 |
| 5172786 | V belt type automatic transmission system | Tadakazu Ishibashi, Nozomu Kishira | 1992-12-22 |
| 5070686 | Vertical engine for walk behind lawn mower | Kiyohiko Oguri | 1991-12-10 |
| 5000126 | Vertical engine for walk-behind lawn mower | Kiyohiko Oguri | 1991-03-19 |
| 4790273 | Vertical engine for walk behind lawn mower | Kiyohiko Oguri | 1988-12-13 |
| 4766859 | Lubricating system for vertical shaft engine | Mutsuaki Miyaki, Yoshimi Tachibana, Kiyohiko Oguri | 1988-08-30 |
| 4727834 | Vertical engine for walk behind lawn mower | Kiyohiko Oguri | 1988-03-01 |
| 4489802 | Exhaust system for motorcycles | Yukiharu Hosoi | 1984-12-25 |
| 4484650 | Motorcycle mounted with V shaped engine | Yukiharu Hosoi | 1984-11-27 |
| RE31724 | Motorcycle exhaust systems | — | 1984-11-06 |
| 4339964 | Internal combustion engine with combined transmission case and crankshaft case, and intermediate shaft | — | 1982-07-20 |
| 4327811 | Motorcycle exhaust systems | — | 1982-05-04 |