Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7845761 | Ink jet printing apparatus and control method for reducing preliminary ejection | — | 2010-12-07 |
| 7794043 | Ink jet recording head and ink jet recording apparatus | Nobuyuki Matsumoto | 2010-09-14 |
| 7753502 | Method of manufacturing ink jet recording head, ink jet recording head, and ink jet cartridge | Kenji Fujii, Shuji Koyama, Masaki Osumi, Jun Yamamuro, Yoshinori Tagawa +2 more | 2010-07-13 |
| 7470375 | Method for manufacturing liquid ejection head, substrate for liquid ejection head, and liquid ejection head | Shuji Koyama, Kenji Fujii, Jun Yamamuro, Masaki Osumi | 2008-12-30 |
| 7384129 | Ink jet recording head, ink jet cartridge comprising recording head, and method for refilling ink cartridge with ink | Keiichiro Tsukuda, Haruyuki Matsumoto | 2008-06-10 |
| 7377625 | Method for producing ink-jet recording head having filter, ink-jet recording head, substrate for recording head, and ink-jet cartridge | Shuji Koyama, Kenji Fujii, Jun Yamamuro | 2008-05-27 |
| 7322104 | Method for producing an ink jet head | Shuji Koyama, Kenji Fujii, Masaki Osumi, Jun Yamamuro | 2008-01-29 |
| 7287847 | Method of manufacturing ink jet recording head, ink jet recording head, and ink jet cartridge | Kenji Fujii, Shuji Koyama, Masaki Osumi, Jun Yamamuro, Yoshinori Tagawa +2 more | 2007-10-30 |
| 7255418 | Method for manufacturing liquid discharge head, substrate for liquid discharge head and method for working substrate | Shuji Koyama, Teruo Ozaki | 2007-08-14 |
| 7001010 | Method for manufacturing liquid discharge head, substrate for liquid discharge head and method for working substrate | Shuji Koyama, Teruo Ozaki | 2006-02-21 |
| 6858152 | Method for manufacturing liquid discharge head, substrate for liquid discharge head and method for working substrate | Shuji Koyama, Teruo Ozaki | 2005-02-22 |