Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11951547 | Valve guide made of iron-based sintered alloy and method of producing same | Yoshio Bando, Fumiya Ito | 2024-04-09 |
| 5207188 | Cylinder for multi-cylinder type engine | Fujio Hama | 1993-05-04 |
| 5199390 | Cylinder liner | Fujio Hama | 1993-04-06 |
| 5189992 | Cylinder liner | Fujio Hama | 1993-03-02 |
| 5176113 | Cylinder liner | Fujio Hama | 1993-01-05 |