Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880518 | Disk carrier | Minoru Akagawa, Heijiro Fukumoto | 1989-11-14 |
| 4853885 | Method of compressing character or pictorial image data using curve approximation | Akira Inoue, Katsuhiko Nishikawa, Shigemi Nagata | 1989-08-01 |