Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6943815 | Thermal printer and electromagnetic wave source device | Nobuo Katsuma, Kenichi Inatsuki | 2005-09-13 |
| 6870558 | Optical fixing unit, illuminance correcting method for the same, and thermal printer | Nobuo Katsuma | 2005-03-22 |
| 6583555 | Flat fluorescent lamp and optical fixing device | Hiroyuki Matsukawa, Nobuo Katsuma, Yoshihiro Yamaguchi, Hiroshi Fukuda, Satoru Ikeya | 2003-06-24 |