Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5855189 | Exhaust controller for internal combustion engine | — | 1999-01-05 |
| 5839408 | Exhaust control apparatus for a spark-ignition two-stroke internal combustion engine | Kazunori Okada | 1998-11-24 |
| 5829394 | Exhaust controller for spark ignition type two stroke internal combustion engine | Toshikazu Hiasa | 1998-11-03 |
| 5012775 | Two-cycle engine | — | 1991-05-07 |
| 4886149 | Rotary type hydraulic damper | Kenji Uehara, Shinji Takayanagi | 1989-12-12 |
| 4776305 | Exhaust timing control device for two-cycle engines | — | 1988-10-11 |
| 4671375 | Power transmission in vehicles | Toshikazu Hiasa | 1987-06-09 |
| 4554785 | Engine exhaust apparatus | — | 1985-11-26 |
| 4545200 | Exhaust device of a two-cycle engine for a motorcycle | Takahide Miyata | 1985-10-08 |