Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5397810 | Polyol, polyurethane resin and utilization thereof | Tsukuru Izukawa, Haruhiko Kawakami, Takayoshi Masuda, Masayuki Kimura, Toshio Nozawa +1 more | 1995-03-14 |
| 5246978 | Polyol and rigid polyurethane foam | Tsukuru Izukawa, Haruhiko Kawakami, Takayoshi Masuda, Toshio Nozawa | 1993-09-21 |
| 5198475 | Polyol and utilization thereof | Masayuki Kimura, Tsukuru Izukawa, Haruhiko Kawakami, Takayoshi Masuda, Mitsugu Kita | 1993-03-30 |
| 5107068 | Polyurethane resin and utilization thereof | Tsukuru Izukawa, Haruhiko Kawakami, Takayoshi Masuda, Seiji Esaki, Masayuki Kimura +1 more | 1992-04-21 |