Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6938969 | Image recording method and apparatus | — | 2005-09-06 |
| 5790161 | Color recording method and device | Yukio Sawano, Hiroto Nagashima | 1998-08-04 |
| 5749662 | Printing method for recording apparatus with multiple print heads | Yukio Sawano, Shuzo Hanaoka, Hiroyoshi Takano | 1998-05-12 |
| 5737005 | Method and apparatus for thermal recording and thermal transfer recording in multicolor system | Yukio Sawano, Shuzo Hanaoka, Masaaki Hashizume | 1998-04-07 |
| 5611028 | Image processing method and system for coloring an image with groups of colors which produce a desired impression | Yukio Sawano, Hiroto Nagashima, Kyuichi Fujisawa, Koichi Sugiyama, Shuichi Aratsu | 1997-03-11 |
| 5550097 | Color recording method and device | Yukio Sawano, Hiroto Nagashima | 1996-08-27 |