Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4404352 | Method of producing polyurethanes | Masanori Kohara, Yasuhiro Hidaka, Kazuki Katsuyama, Ryoichi Kinishi | 1983-09-13 |
| 4376181 | Stabilized antifouling paint composition | Yasuhiro Hidaka, Tetsuji Ike | 1983-03-08 |
| 4322519 | Method of producing polyurethanes | Masanori Kohara, Kazuki Katsuyama, Ryoichi Kinishi | 1982-03-30 |
| 4319051 | Trisphenol hydrate | Eizaburo Kaku, Takanori Miura | 1982-03-09 |