Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5046121 | Image data compression apparatus | Yoshiyuki Ishimitsu, Junichirou Akune | 1991-09-03 |
| 4922273 | Compression method of halftone image data | Hiroshi Takeuchi | 1990-05-01 |