Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5716913 | Metal working oil composition and method of working metal | Yasuyoshi Yamamoto, Aritoshi Fukushima, Michiyoshi Sugioka | 1998-02-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5716913 | Metal working oil composition and method of working metal | Yasuyoshi Yamamoto, Aritoshi Fukushima, Michiyoshi Sugioka | 1998-02-10 |