Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872958 | Ion exchange membrane for electrolysis | Tetsuro Tsukada, Yoshihiko Saito, Kiyotaka Arai, Hiroshi Mori | 1989-10-10 |
| 4872035 | Image forming apparatus | Hiroyuki Miyake, Seiji Sagara, Takaji Yonemori, Tsuyoshi Watanabe, Masayoshi Takahashi +5 more | 1989-10-03 |
| 4868729 | Power supply unit | — | 1989-09-19 |
| 4865938 | Photo and pressure sensitive recording media comprising an adhesive agent | Jun Sakai, Shunichi Higashiyama | 1989-09-12 |