Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5116521 | Aqueous lubrication treatment liquid and method of cold plastic working metallic materials | Hiroyuki Fujii, Tokuo Shirai, Yoshio Nagae, Koji HETSUGI, Yasuo Tanizawa +1 more | 1992-05-26 |