Issued Patents 2025
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12392301 | Piston unit, top land member, and combination of piston unit parts | Hiroyuki Nagakura, Kiyoyuki Kawai | 2025-08-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12392301 | Piston unit, top land member, and combination of piston unit parts | Hiroyuki Nagakura, Kiyoyuki Kawai | 2025-08-19 |