Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6648451 | Ink jet recording apparatus and ink jet recording head | Kiyomi Aono, Akio Saito | 2003-11-18 |
| 6631978 | Ink tank holding member and ink jet cartridge provided with such holding member | Osamu Morita | 2003-10-14 |
| 6598952 | Liquid jet recording head having controller for controlling temperature distribution | Hiroyuki Ishinaga, Masami Ikeda, Ryoichi Koizumi, Asao Saito, Tsutomu Abe +5 more | 2003-07-29 |
| 6505907 | Recording apparatus having abnormality determination based on temperature and average ejection duty cycle | Hiroyuki Ishinaga, Masami Ikeda, Ryoichi Koizumi, Asao Saito, Tsutomu Abe +5 more | 2003-01-14 |