Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8329047 | Method for producing liquid discharge head | Tadanobu Nagami, Junichi Kobayashi, Takeshi Terada, Makoto Watanabe, Hiroyuki Abo +8 more | 2012-12-11 |
| 8128204 | Liquid ejection head and method for manufacturing liquid ejection head | Noriyasu Ozaki, Junichi Kobayashi, Shuji Koyama, Tadanobu Nagami, Yoshinori Tagawa +8 more | 2012-03-06 |
| 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 |
| 7753502 | Method of manufacturing ink jet recording head, ink jet recording head, and ink jet cartridge | Kenji Fujii, Shuji Koyama, Masaki Osumi, Shingo Nagata, Jun Yamamuro +2 more | 2010-07-13 |
| 7735961 | Liquid discharge head and method of producing the same | Shuji Koyama, Yoshinori Tagawa, Kenji Fujii, Hiroyuki Murayama, Masaki Ohsumi +1 more | 2010-06-15 |
| 7523553 | Method of manufacturing ink jet recording head | Masaki Ohsumi, Shuji Koyama, Yoshinori Tagawa, Hiroyuki Murayama, Kenji Fujii +1 more | 2009-04-28 |
| 7300596 | Method of manufacturing liquid discharge head | Hiroyuki Murayama, Shuji Koyama, Yoshinori Tagawa, Kenji Fujii, Masaki Ohsumi +3 more | 2007-11-27 |
| 7287847 | Method of manufacturing ink jet recording head, ink jet recording head, and ink jet cartridge | Kenji Fujii, Shuji Koyama, Masaki Osumi, Shingo Nagata, Jun Yamamuro +2 more | 2007-10-30 |