Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5739231 | Metal surface treatment agent | Yohji Imai, Tetsuro Sakuma | 1998-04-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5739231 | Metal surface treatment agent | Yohji Imai, Tetsuro Sakuma | 1998-04-14 |