Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12076710 | Catalyst and catalyst group | Kazuharu Tazawa, Takuya Nakamura | 2024-09-03 |
| 11628425 | Catalyst and catalyst group | Kazuharu Tazawa, Takuya Nakamura | 2023-04-18 |
| 10787543 | Polyether polyol, method for producing polyether polyol, polyester elastomer and polyurethane | Yoko NAKAGAWA, Ryo Yamashita, Nobuyuki Kobayashi | 2020-09-29 |
| 8759467 | Polyester polyol, polyurethane, obtained using the same, process for production thereof, and molded polyurethane | Haruhiko Kusaka, Youko Nakagawa, Daisuke Hirooka, Hisashi Nagahama | 2014-06-24 |