Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863524 | Method of cleaning the interior of polymerization reactor | Takamichi Komabashiri, Toragoro Mitani, Hideo Yasui | 1989-09-05 |
| 4795800 | Scale deposition preventing agent | Toragoro Mitani, Takamichi Komabashiri | 1989-01-03 |