Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889296 | Apparatus for grounding cassette | Izumi Watanabe | 1989-12-26 |
| 4873545 | Method of developing image on electrophotographic film | Masaru Imai, Shuichi Ohtsuka | 1989-10-10 |
| 4834315 | Apparatus for grounding cassette | Izumi Watanabe | 1989-05-30 |