Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11161343 | Liquid ejection head and manufacturing method thereof | Kenji Tamamori, Shingo Nagata | 2021-11-02 |
| 11155083 | Member transfer method and manufacturing method for liquid ejection head | Teruo Ozaki, Tomohiko Nakano, Seiichiro Yaginuma, Keiji Matsumoto | 2021-10-26 |
| 9738075 | Liquid discharge head and method of manufacturing the same | Kenji Fujii, Junichi Kobayashi, Ken Ikegame, Nobuhisa Tanahashi | 2017-08-22 |
| 9472639 | Forming a liquid ejection head with through holes and a depression | Hiroyuki Shimoyama, Taichi Yonemoto, Shuji Koyama, Keiji Matsumoto, Seiichiro Yaginuma | 2016-10-18 |
| 9090067 | Method for manufacturing liquid discharge head | Kenji Fujii, Koji Sasaki, Ryotaro Murakami | 2015-07-28 |
| 8956703 | Method for manufacturing liquid ejecting head | Kazuhiro Asai, Yoshinori Tagawa | 2015-02-17 |
| 8753800 | Process for producing ejection orifice forming member and liquid ejection head | Kunihito Uohashi, Shuji Koyama, Kazuhiro Asai, Keiji Matsumoto, Tetsuro Honda | 2014-06-17 |
| 8632163 | Liquid ejecting head and method for manufacturing the same | Yoshinori Tagawa, Kazuhiro Asai | 2014-01-21 |
| 8613141 | Manufacturing method of liquid ejection head | Akihiko Okano, Maki Kato, Yoshinori Tagawa, Kazuhiro Asai, Masahiko Kubota +1 more | 2013-12-24 |
| 8481249 | Method for manufacturing recording head | Keiji Matsumoto, Kazuhiro Asai, Tetsuro Honda, Kunihito Uohashi, Shuji Koyama | 2013-07-09 |
| 8430476 | Method for manufacturing liquid discharge head | Jun Yamamuro, Masahisa Watanabe, Keiji Edamatsu | 2013-04-30 |
| 8388084 | Liquid ejection head, method for evaluation of liquid ejection head, and liquid ejection apparatus having liquid ejection head | Masataka Nagai, Yoshinori Tagawa, Satoshi Ibe, Kazuhiro Asai | 2013-03-05 |
| 8329047 | Method for producing liquid discharge head | Tadanobu Nagami, Junichi Kobayashi, Takeshi Terada, Makoto Watanabe, Hiroyuki Abo +8 more | 2012-12-11 |
| 8286350 | Method of manufacturing a liquid discharge head | Tsuyoshi Takahashi, Shuji Koyama, Masahisa Watanabe | 2012-10-16 |
| 8191260 | Liquid ejection head and manufacturing method thereof | Maki Kato, Yoshinori Tagawa, Kazuhiro Asai, Masahiko Kubota, Tamaki Sato +1 more | 2012-06-05 |
| 8187898 | Method for manufacturing liquid discharge head | Jun Yamamuro, Masahisa Watanabe, Keiji Edamatsu | 2012-05-29 |
| 8163187 | Process of producing liquid discharge head | Hiroyuki Abo, Toshiyasu Sakai, Noriyasu Ozaki, Mitsuru Chida, Kazuya Abe | 2012-04-24 |
| 8133662 | Method for manufacturing liquid discharge head | Makoto Watanabe, Yoshinori Tagawa, Satoshi Ibe, Kazuhiro Asai, Masataka Nagai | 2012-03-13 |
| 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 | Shuji Koyama, Yoshinori Tagawa, Hiroyuki Murayama, Kenji Fujii, Yoshinobu Urayama +1 more | 2011-04-26 |
| 7901064 | Ink jet recording head with ink filter formed of a plurality of stacked films | Yoshinobu Urayama, Kenji Fujii, 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 |
| 7735961 | Liquid discharge head and method of producing the same | Shuji Koyama, Yoshinori Tagawa, Kenji Fujii, Hiroyuki Murayama, Jun Yamamuro +1 more | 2010-06-15 |
| 7523553 | Method of manufacturing ink jet recording head | Shuji Koyama, Yoshinori Tagawa, Hiroyuki Murayama, Kenji Fujii, Yoshinobu Urayama +1 more | 2009-04-28 |
| 7300596 | Method of manufacturing liquid discharge head | Hiroyuki Murayama, Shuji Koyama, Yoshinori Tagawa, Kenji Fujii, Yoshinobu Urayama +3 more | 2007-11-27 |