Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888646 | Optimal image-quality selection apparatus | Fumihiko Sugiura | 1989-12-19 |
| 4831658 | Binary signal producing apparatus for optical character recognition | Kazumi Nakano, Shigenobu Kasuya | 1989-05-16 |