Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8053607 | Method for producing polyether-polyol having narrow molecular weight distribution | Hiroshi Nakaoka, Ikuhiko Kanehira | 2011-11-08 |
| 5494990 | Thermoplastic polyurethane resin having broad rubbery-state region and process for producing the same | Hiroyuki Tagawa | 1996-02-27 |
| 4992524 | Composition for optical fiber coating comprising a polyether diol, a polyisocyanate, and a methacrylate | Clive J. Coady, Donald W. Fieder, Katsutoshi Igarashi, Yoshio Matsumura | 1991-02-12 |
| 4960849 | Polyurethane from a copolyether of tetrahydrofuran and 3-alkyl tetrahydrofuran | Hideyuki Ishii, Haruo Watanabe, Shuichi Takeuchi | 1990-10-02 |