Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4832860 | Lubricating oil for metal working | Tadashi Katafuchi, Hiroo Mitazaki, Seiichi Shido, Kenji Onodera | 1989-05-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4832860 | Lubricating oil for metal working | Tadashi Katafuchi, Hiroo Mitazaki, Seiichi Shido, Kenji Onodera | 1989-05-23 |