Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12259023 | Spiral advance/retreat actuation device | Takatoshi MORIMITSU, Hirotaka Komura | 2025-03-25 |
| 12259024 | Extension-retraction device | — | 2025-03-25 |
| 9027537 | PCV valve installation structure | Hitoshi Uema | 2015-05-12 |
| 7493891 | Internal combustion engine | Tsunero Hamada | 2009-02-24 |
| 6026772 | Valve characteristic control apparatus for internal combustion engine | — | 2000-02-22 |