Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10894409 | Method of manufacturing a liquid ejection head | Jun Yamamuro, Kazuhiro Asai, Keiji Matsumoto, Keiji Watanabe, Masahisa Watanabe +3 more | 2021-01-19 |
| 10744771 | Method of manufacturing liquid ejection head and method of manufacturing structure | Keiji Matsumoto, Seiichiro Yaginuma, Koji Sasaki, Jun Yamamuro, Ryotaro Murakami +2 more | 2020-08-18 |
| 10625506 | Method for manufacturing liquid discharge head | Kazuhiro Asai, Kenji Fujii, Keiji Matsumoto, Koji Sasaki, Jun Yamamuro +3 more | 2020-04-21 |
| 10500861 | Method for manufacturing liquid ejection head | Shingo Nagata, Kenji Fujii, Jun Yamamuro, Koji Sasaki, Keiji Matsumoto +4 more | 2019-12-10 |
| 10343406 | Liquid ejection head manufacturing method | Keiji Matsumoto, Jun Yamamuro, Kazuhiro Asai, Koji Sasaki, Seiichiro Yaginuma +6 more | 2019-07-09 |
| 10322584 | Method for manufacturing liquid ejection head | Jun Yamamuro, Kenji Fujii, Kazuhiro Asai, Keiji Matsumoto, Koji Sasaki +6 more | 2019-06-18 |
| 10201974 | Process for producing liquid discharge head | Jun Yamamuro, Kazuhiro Asai, Keiji Matsumoto, Koji Sasaki, Masahisa Watanabe +3 more | 2019-02-12 |
| 9994018 | Liquid ejection head and method of producing the same | Seiichiro Yaginuma, Jun Yamamuro, Kazuhiro Asai, Keiji Matsumoto, Koji Sasaki +6 more | 2018-06-12 |
| 9919526 | Method for manufacturing liquid discharge head | Kazuhiro Asai, Kenji Fujii, Keiji Matsumoto, Koji Sasaki, Jun Yamamuro +3 more | 2018-03-20 |
| 9873255 | Liquid ejection head and method of manufacturing the same | Koji Sasaki, Kenji Fujii, Jun Yamamuro, Kazuhiro Asai, Seiichiro Yaginuma +5 more | 2018-01-23 |
| 9809027 | Method of manufacturing structure and method of manufacturing liquid ejection head | Keiji Matsumoto, Jun Yamamuro, Kazuhiro Asai, Seiichiro Yaginuma, Masahisa Watanabe +3 more | 2017-11-07 |
| 9789690 | Method for manufacturing liquid ejection head | Masahisa Watanabe, Jun Yamamuro, Kazuhiro Asai, Keiji Matsumoto, Koji Sasaki +6 more | 2017-10-17 |
| 9421773 | Process for producing liquid ejection head | Kazuhiro Asai, Keiji Matsumoto, Shuji Koyama | 2016-08-23 |
| 9308721 | Method of manufacturing substrate for liquid ejection head, substrate for liquid ejection head, liquid ejection head, and printing apparatus | Kenji Fujii, Kazuhiro Asai, Keiji Matsumoto | 2016-04-12 |
| 9216570 | Process for producing liquid ejection head | Keiji Matsumoto, Kazuhiro Asai | 2015-12-22 |
| 8778599 | Method of producing ink ejection head | Kazuhiro Asai, Keiji Matsumoto | 2014-07-15 |
| 8753800 | Process for producing ejection orifice forming member and liquid ejection head | Shuji Koyama, Kazuhiro Asai, Keiji Matsumoto, Tetsuro Honda, Masaki Ohsumi | 2014-06-17 |
| 8481249 | Method for manufacturing recording head | Keiji Matsumoto, Kazuhiro Asai, Tetsuro Honda, Shuji Koyama, Masaki Ohsumi | 2013-07-09 |