Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8047632 | Ink jet recording head | Kenji Fujii, Yoshinori Tagawa, Taichi Yonemoto, Mitsunori Toshishige, Keiji Watanabe | 2011-11-01 |
| 8037603 | Ink jet head and producing method therefor | Kenji Fujii, Junichi Kobayashi, Yoshinori Tagawa, Hideo Tamura, Keiji Watanabe +6 more | 2011-10-18 |
| 7930824 | Method of manufacturing ink jet recording head | Masaki Ohsumi, Shuji Koyama, Yoshinori Tagawa, Kenji Fujii, Yoshinobu Urayama +1 more | 2011-04-26 |
| 7924301 | Image forming apparatus for disk-shaped media | Fumihisa Hori, Chikashi Osakama, Makoto Chida | 2011-04-12 |
| 7901064 | Ink jet recording head with ink filter formed of a plurality of stacked films | Yoshinobu Urayama, Kenji Fujii, Masaki Ohsumi, Jun Yamamuro, 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, Masaki Ohsumi, Jun Yamamuro +1 more | 2010-06-15 |
| 7576761 | Printer | Kazutaka Suzuki | 2009-08-18 |
| 7523553 | Method of manufacturing ink jet recording head | Masaki Ohsumi, Shuji Koyama, Yoshinori Tagawa, Kenji Fujii, Yoshinobu Urayama +1 more | 2009-04-28 |
| 7515163 | Printer | Kazutaka Suzuki | 2009-04-07 |
| 7475966 | Liquid discharge recording head and method for manufacturing same | Kenji Fujii, Shuji Koyama, Masaki Osumi, Jun Yamamuro | 2009-01-13 |
| 7300596 | Method of manufacturing liquid discharge head | Shuji Koyama, Yoshinori Tagawa, Kenji Fujii, Masaki Ohsumi, Yoshinobu Urayama +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 |
| 7289134 | Thermal printer including a plurality of recording units | Hiroshi Takahashi, Koichi Sugiyama | 2007-10-30 |
| 6994417 | Liquid discharge detection method and apparatus and ink-jet printer apparatus | Hiroyuki Ishinaga, Yoshinori Misumi, Takahiro Matsui | 2006-02-07 |