Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5229762 | Gradation conversion system for converting color display data into gradation display data | Hiromichi Itoh, Yoshihiro Hayashi, Masami Yamagishi, Shigenobu Ishimoto, Susumu Onodera | 1993-07-20 |