Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4890256 | Document editing apparatus having document collator function | Hideki Sasaki, Shigeru Matsuoka, Eiji Matsuda, Hitoshi Yonenaga | 1989-12-26 |
| 4825308 | Data processing system | Eiji Matsuda, Shigeru Matsuoka, Hitoshi Yonenaga | 1989-04-25 |