Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4619768 | Method of removing crude oil sludge | Sankichi Takahashi, Harumi Matsuzaki, Toshimi Mukushi, Katsuya Ebara, Tsunehiko Takakusagi +4 more | 1986-10-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4619768 | Method of removing crude oil sludge | Sankichi Takahashi, Harumi Matsuzaki, Toshimi Mukushi, Katsuya Ebara, Tsunehiko Takakusagi +4 more | 1986-10-28 |