Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6203137 | Ink jet recording apparatus and waste ink tank thereof | Toshio Kumagai | 2001-03-20 |
| 5847736 | Ink jet recorder and recording head cleaning method | Kenichi Kanbayashi, Toshio Kumagai, Toru Fukushima | 1998-12-08 |
| 5541628 | Ink-jet type recording device | Junhua Chang, Kenichi Kanbayashi, Toshihisa Saruta, Haruo Nakamura | 1996-07-30 |