Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4900459 | Metal processing lubricating oil composition and process for producing the same | Toshihide Ohmori, Kazuhiko Kitamura, Masuhiko Kawamura, Atsushi Danno, Tokuo Shirai +1 more | 1990-02-13 |