Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860114 | Method and apparatus for expanding two-dimensional compressional code | Ethuo Horikawa | 1989-08-22 |
| 4831368 | Display apparatus with rotatable display screen | Tamon Masimo, Hiroshi Kanazawa, Satoshi Ito | 1989-05-16 |