Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6831112 | Polyether, active-hydrogen ingredient, resin-forming composition, and process for producing foam | Hidefumi Ohta, Hideo Kitagawa, Kenji Nishiyama, Munekazu Satake, Kunikiyo Yoshio +1 more | 2004-12-14 |
| 6455606 | Polyurethane foam, process for producing the same, and foam forming composition | Yasushi Kumagai, Toru Nakanishi, Tatsuroh Yanagi, Tsuyoshi Tomosada, Kunikiyo Yoshio +4 more | 2002-09-24 |
| 5459172 | Process for manufacturing polyurethane foams | Hidefumi Ohta, Futoshi Kitatani, Kozaburo Nagata | 1995-10-17 |