Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5299423 | Air supply system for supercharged internal combustion engine | Yoshikazu Yamaoka | 1994-04-05 |
| 5212949 | Exhaust gas cleaning system for a marine propulsion unit | — | 1993-05-25 |
| 4938182 | Engine cylinder head | — | 1990-07-03 |
| 4929204 | Water entry preventing structure for inboard/outboard motor | — | 1990-05-29 |
| 4927390 | Gas exhaustion device for inboard/outboard engine | Noboru Kudoh, Itsushi Hirukawa, Satoshi Aoki, Tsuyoshi Yoshimura | 1990-05-22 |
| 4787869 | Water lock device for marine propulsion | — | 1988-11-29 |