Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7930824 | Method of manufacturing ink jet recording head | Masaki Ohsumi, Shuji Koyama, Yoshinori Tagawa, Hiroyuki Murayama, Kenji Fujii +1 more | 2011-04-26 |
| 7901064 | Ink jet recording head with ink filter formed of a plurality of stacked films | Kenji Fujii, Masaki Ohsumi, Jun Yamamuro, Hiroyuki Murayama, Yoshinori Tagawa +1 more | 2011-03-08 |
| 7891784 | Liquid ejection head and method for manufacturing liquid ejection head | Noriyasu Ozaki, Junichi Kobayashi, Shuji Koyama, Tadanobu Nagami, Yoshinori Tagawa +8 more | 2011-02-22 |
| 7862158 | Method of manufacturing ink jet recording head, ink jet cartridge | Kenji Fujii, Shuji Koyama, Masaki Osumi, Shingo Nagata, Jun Yamamuro +2 more | 2011-01-04 |