Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4404352 | Method of producing polyurethanes | Koreyoshi Suenobu, Masanori Kohara, Yasuhiro Hidaka, Ryoichi Kinishi | 1983-09-13 |
| 4322519 | Method of producing polyurethanes | Koreyoshi Suenobu, Masanori Kohara, Ryoichi Kinishi | 1982-03-30 |