Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846897 | Process and composition for treatment of titanium and titanium alloys | Eiichi Nishi, Masanori Kanda | 1989-07-11 |
| 4808245 | Method for drawing iron and steel wire rod | Eiichi Nishi, Fumio Aso | 1989-02-28 |