Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878131 | Reproducing apparatus | Tsuguhide Sakata, Tomishige Taguchi, Norio Kimura, Kunio Tsuruno | 1989-10-31 |
| 4849832 | Reproducing apparatus with erasing device and erasing function based on frequency multiplexed and/or DPSK coded signal | Shigeo Yamagata, Tokihiko Ogura, Masahiro Takei | 1989-07-18 |
| 4825295 | Image reading apparatus | Tadashi Ishikawa, Yoshitaka Watanabe, Toyokazu Mizogui, Takao Kinoshita, Akihiko Tojo +1 more | 1989-04-25 |