Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4776897 | Method for treating the surface of stainless steel by high temperature oxidation | Haruji Takahashi, Shigeo Goto, Syuichi Takata, Mitsuaki Shibata | 1988-10-11 |
| 4661171 | Method for treating the surface of stainless steel by high temperature oxidation | Haruji Takahashi, Shigeo Goto, Syuichi Takata, Mitsuaki Shibata | 1987-04-28 |