Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5349373 | Thermal head drive unit | Yasuki Matsumoto, Haruo Yamashita, Yoshihiro Mushika | 1994-09-20 |
| 5347599 | Adaptive interpolation method and apparatus using correlation detection | Haruo Yamashita, Tsumoru Fukushima | 1994-09-13 |
| 5315381 | Color image forming apparatus | Haruo Yamashita, Yasuki Matsumoto | 1994-05-24 |
| 5296920 | Color gradation correction method and apparatus | Shigeo Sakaue, Susumu Maruno, Haruo Yamashita, Yasuki Matsumoto | 1994-03-22 |