Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5685652 | Method of preparing threshold matrix and method of and apparatus for generating halftone image | — | 1997-11-11 |
| 5608535 | Video signal reproduction or record/reproduction apparatus | Mitsuhiro Yoshida | 1997-03-04 |