Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874480 | Process for treatment of titanium and titanium alloys | Sakae Sonoda, Kouji Hetsugi, Kouji Kaburagi, Yasunobu Matsushima | 1989-10-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874480 | Process for treatment of titanium and titanium alloys | Sakae Sonoda, Kouji Hetsugi, Kouji Kaburagi, Yasunobu Matsushima | 1989-10-17 |