Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7291229 | Method of surface treatment of titanium metal | Eiichi Ishii, Takumi Sone, Yukihiro Sato, Kei Demizu, Hideo Kakutani +2 more | 2007-11-06 |
| 6287396 | Threaded parts for aircraft | Koichi Tanaka, Shinichi Tanaka | 2001-09-11 |
| 5908671 | Method of forming a coating of glass-like carbon on titanium metal | Koichi Tanaka, Shinichi Tanaka | 1999-06-01 |