Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7765975 | Engine cylinder block | — | 2010-08-03 |
| 6125811 | Engine cylinder block | Hitoshi Uema | 2000-10-03 |
| 5934239 | Plated cylinder arrangement | — | 1999-08-10 |
| 5666933 | Sleeveless cylinder block without marginal plating coating | — | 1997-09-16 |
| 5220890 | Variable compression device for two cycle diesel engine | — | 1993-06-22 |
| 4970996 | Two stroke diesel engine | Noritaka Matsuo, Tatsuyuki Masuda | 1990-11-20 |