Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5300535 | Method for producing polyurethane flexible foam | Hiromitsu Takeyasu | 1994-04-05 |
| 5145883 | Methods for producing polyether ester polyols and polyurethanes | Joichi Saito, Nobuaki Kunii, Hirotsugu Yamamoto, Hiromitsu Takeyasu | 1992-09-08 |
| 5124425 | Curable polyurethane composition excellent in flexibility | Toshihiko Higuchi, Nobuaki Kunji | 1992-06-23 |