Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4808486 | Production method of machine parts and the machine parts thus produced | Harutoshi Yamamoto, Zenichi Mochizuki | 1989-02-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4808486 | Production method of machine parts and the machine parts thus produced | Harutoshi Yamamoto, Zenichi Mochizuki | 1989-02-28 |