Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4844953 | Elastic roller for fixing and method of producing the same | Chiaki Kato, Toshiyuki Hatta, Shinichi Toyooka, Masaya Nishi | 1989-07-04 |
| 4822615 | Antithrombic resin composition | Kouichi Iwata, Hideo Takahashi | 1989-04-18 |