Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7293849 | Ink jet recording apparatus and ink jet recording method | Takatsugu Doi, Eisuke Hiraoka, Ken Hashimoto | 2007-11-13 |
| 7235126 | Ink jet recording ink, ink jet recording ink set, and ink jet recording method and apparatus using the ink and the ink set | Toshitake Yui, Ken Hashimoto | 2007-06-26 |