Issued Patents All Time
Showing 26–50 of 85 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7901064 | Ink jet recording head with ink filter formed of a plurality of stacked films | Yoshinobu Urayama, Kenji Fujii, Masaki Ohsumi, Jun Yamamuro, Hiroyuki Murayama +1 more | 2011-03-08 |
| 7891784 | Liquid ejection head and method for manufacturing liquid ejection head | Noriyasu Ozaki, Junichi Kobayashi, Tadanobu Nagami, Yoshinori Tagawa, Kenji Fujii +8 more | 2011-02-22 |
| 7862158 | Method of manufacturing ink jet recording head, ink jet cartridge | Kenji Fujii, Masaki Osumi, Shingo Nagata, Jun Yamamuro, Yoshinori Tagawa +2 more | 2011-01-04 |
| 7828419 | Ink jet recording head and method of manufacturing the same | Ken Ikegame | 2010-11-09 |
| 7824560 | Manufacturing method for ink jet recording head chip, and manufacturing method for ink jet recording head | Toshiyasu Sakai, Kenji Ono, Jun Yamamuro | 2010-11-02 |
| 7753502 | Method of manufacturing ink jet recording head, ink jet recording head, and ink jet cartridge | Kenji Fujii, Masaki Osumi, Shingo Nagata, Jun Yamamuro, Yoshinori Tagawa +2 more | 2010-07-13 |
| 7735961 | Liquid discharge head and method of producing the same | Yoshinori Tagawa, Kenji Fujii, Hiroyuki Murayama, Masaki Ohsumi, Jun Yamamuro +1 more | 2010-06-15 |
| 7727411 | Manufacturing method of substrate for ink jet head and manufacturing method of ink jet recording head | Jun Yamamuro, Kenji Ono, Toshiyasu Sakai | 2010-06-01 |
| 7523553 | Method of manufacturing ink jet recording head | Masaki Ohsumi, Yoshinori Tagawa, Hiroyuki Murayama, Kenji Fujii, Yoshinobu Urayama +1 more | 2009-04-28 |
| 7475966 | Liquid discharge recording head and method for manufacturing same | Kenji Fujii, Masaki Osumi, Jun Yamamuro, Hiroyuki Murayama | 2009-01-13 |
| 7470375 | Method for manufacturing liquid ejection head, substrate for liquid ejection head, and liquid ejection head | Shingo Nagata, Kenji Fujii, Jun Yamamuro, Masaki Osumi | 2008-12-30 |
| 7452474 | Method of manufacturing substrate for ink jet recording head and method of manufacturing recording head using substrate manufactured by this method | Hirokazu Komuro, Teruo Ozaki, Kousuke Kubo, Makoto Terui, Kazuhiro Hayakawa +2 more | 2008-11-18 |
| 7377625 | Method for producing ink-jet recording head having filter, ink-jet recording head, substrate for recording head, and ink-jet cartridge | Kenji Fujii, Shingo Nagata, Jun Yamamuro | 2008-05-27 |
| 7322104 | Method for producing an ink jet head | Shingo Nagata, Kenji Fujii, Masaki Osumi, Jun Yamamuro | 2008-01-29 |
| 7300596 | Method of manufacturing liquid discharge head | Hiroyuki Murayama, 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, Masaki Osumi, Shingo Nagata, 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 | Teruo Ozaki, Shingo Nagata | 2007-08-14 |
| 7001010 | Method for manufacturing liquid discharge head, substrate for liquid discharge head and method for working substrate | Teruo Ozaki, Shingo Nagata | 2006-02-21 |
| 6908564 | Liquid discharge head and method of manufacturing the same | Toshio Kashino, Hiroaki Mihara | 2005-06-21 |
| RE38710 | Laser process for making a filter for an ink jet | Akira Goto, Masaki Inaba, Yutaka Koizumi, Tsuyoshi Orikasa, Toshio Kashino +7 more | 2005-03-15 |
| 6858152 | Method for manufacturing liquid discharge head, substrate for liquid discharge head and method for working substrate | Teruo Ozaki, Shingo Nagata | 2005-02-22 |
| 6834943 | Liquid discharge head, a substrate for use of such head and a method of manufacture therefor | Hiroaki Mihara, Masahiko Ogawa, Kazuaki Masuda, Masami Ikeda, Ichiro Saito +6 more | 2004-12-28 |
| 6752489 | Liquid ejection head and method of manufacturing the liquid ejection head | Tetsuya Ohashi, Yutaka Koizumi, Masami Kasamoto, Junichiro Iri, Daisaku Ide | 2004-06-22 |
| 6659588 | Liquid discharge head and producing method therefor | Ken Ikegame, Yoshiaki Suzuki, Toshio Kashino, Masashi Miyagawa, Junji Tatsumi +2 more | 2003-12-09 |
| 6644790 | Ink-jet head substrate, ink-jet head and ink-jet recording apparatus | Teruo Ozaki, Masami Kasamoto, Junichiro Iri | 2003-11-11 |