Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839443 | Polysiloxane containing hydroxyl groups and a silicone-modified polyurethane using the same | Yoshinori Akutsu, Takaharu Nakano, Takahiro Saho, Nobumasa Ohtake, Hirofumi Yasuda | 1989-06-13 |