Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872009 | Method and apparatus for data compression and restoration | Hiroshi Yashiki, Osamu Hirose | 1989-10-03 |
| 4866440 | Method for compressing and restoring data series and apparatus for realizing same | Yasunori Sagara, Kazumi Miyazawa | 1989-09-12 |