Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877852 | Thiophene derivative polymer and a polymer composition thereof | Masaaki Sato, Kyoji Kaeriyama, Yoshio Suda, Takao Hiraide | 1989-10-31 |
| 4816864 | Programmable copying apparatus | Kenji Shibazaki, Keiji Nakatani | 1989-03-28 |
| 4807250 | Coding device selectively connected to a transmission line | — | 1989-02-21 |