Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5416123 | Polyurethane foam prepared from high concentration-low viscosity polymer-polyol | Ariko Nishikawa, Tamotsu Kunihiro, Tsukuru Izukawa | 1995-05-16 |
| 5324774 | Polymer-polyol, process for preparation thereof and uses thereof | Ariko Nishikawa, Tamotsu Kunihiro, Tsukuru Izukawa | 1994-06-28 |
| 5010161 | Polyaldimine derivatives | Masaaki Aoki, Masayuki Kamiyama, Akihiro Yamaguchi | 1991-04-23 |
| 4880869 | .beta.-amino-.beta.-propiolactam derivative and moisture curable polyurethane composition thereof | Masaaki Aoki, Mayumi Tani, Masayuki Kamiyama | 1989-11-14 |
| 4552944 | Process for preparing thermally stable super-soft polyurethane elastomer | Masayuki Kamiyama, Takashi Saito | 1985-11-12 |
| 4280944 | Thermosetting polyurethane resin and coating agent thereof prepared from at least two polyoxyalkylene polyols, blocking agent, chain-elongating agent, cross-linking agent and a mixture of diisocyanates | Takashi Saito, Toshihiko Kawabata | 1981-07-28 |