Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5466305 | Method of treating the surface of titanium | Yukihiro Sato, Takumi Sone, Tetsuhiro Sakata, Kei Demizu, Shinichi Tanaka | 1995-11-14 |
| 4193825 | Method of carbon nitriding a metal workpiece | Rinzo Kojima, Kazuhiro Shibata | 1980-03-18 |