Issued Patents All Time
Showing 25 most recent of 72 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11161351 | Liquid ejection head | Masataka Kato, Souta Takeuchi, Masaya Uyama, Toru Nakakubo, Tomohiro Takahashi | 2021-11-02 |
| 11135838 | Liquid ejection head and method of manufacturing same | Souta Takeuchi, Masataka Kato, Masaya Uyama, Toru Nakakubo, Tomohiro Takahashi | 2021-10-05 |
| 11027548 | Liquid ejection head and method of manufacturing same | Souta Takeuchi, Masataka Kato, Masaya Uyama, Toru Nakakubo, Tomohiro Takahashi | 2021-06-08 |
| 10906304 | Semiconductor element, recording element substrate, and liquid discharge head | Masaya Uyama, Souta Takeuchi, Masataka Kato, Toru Nakakubo, Tomohiro Takahashi | 2021-02-02 |
| 10703103 | Liquid ejection head and manufacturing method thereof | Souta Takeuchi, Soichiro Nagamochi | 2020-07-07 |
| 10040285 | Liquid ejection head and liquid ejection device, and aging treatment method and initial setup method for a liquid ejection device | Masaki Oikawa, Yoshihiro Hamada, Makoto Sakurai, Takeru Yasuda | 2018-08-07 |
| 9975338 | Method for manufacturing liquid ejection head substrate | Shuichi Tamatsukuri, Souta Takeuchi, Kenji Takahashi, Soichiro Nagamochi, Shinya Iwahashi | 2018-05-22 |
| 9751301 | Substrate for ink jet recording head | Kenji Takahashi, Shinya Iwahashi, Soichiro Nagamochi, Souta Takeuchi, Shuichi Tamatsukuri | 2017-09-05 |
| 9561651 | Element substrate and method for discharging liquid | Souta Takeuchi, Kenji Takahashi, Soichiro Nagamochi, Shinya Iwahashi | 2017-02-07 |
| 9179503 | Method for manufacturing liquid ejection head | Yuzuru Ishida, Takeru Yasuda | 2015-11-03 |
| 9096059 | Substrate for inkjet head, inkjet head, and inkjet printing apparatus | Yuzuru Ishida, Kazuaki Shibata, Takeru Yasuda | 2015-08-04 |
| 9085143 | Substrate for inkjet print head, inkjet print head, method for manufacturing inkjet print head, and inkjet printing apparatus | Yuzuru Ishida, Makoto Sakurai | 2015-07-21 |
| 9061489 | Substrate for inkjet head and inkjet head having protection layer including individual sections corresponding to heating resistors | Makoto Sakurai, Yuzuru Ishida | 2015-06-23 |
| 9050805 | Process for producing liquid ejection head and process for producing substrate for liquid ejection head including repeated metal layer, Si layer, N layer laminations | Makoto Sakurai, Souta Takeuchi, Takeru Yasuda, Soichiro Nagamochi | 2015-06-09 |
| 8943690 | Method for manufacturing substrate for liquid ejection head and method for manufacturing liquid ejection head | Yuzuru Ishida, Kazuaki Shibata, Takeru Yasuda, Ryoji Oohashi, Yoshiyuki Imanaka +4 more | 2015-02-03 |
| 8721048 | Substrate for liquid discharge head and liquid discharge head | Takeru Yasuda, Makoto Sakurai, Soichiro Nagamochi, Souta Takeuchi, Yuzuru Ishida +1 more | 2014-05-13 |
| 8613862 | Method for manufacturing liquid discharge head substrate | Kazuhiro Asai, Hirokazu Komuro, Satoshi Ibe, Shimpei Otaka, Hiroto Komiyama +1 more | 2013-12-24 |
| 8597529 | Method for processing substrate and method for producing liquid ejection head and substrate for liquid ejection head | Keisuke Kishimoto, Satoshi Ibe, Shimpei Otaka, Hiroto Komiyama, Hiroyuki Morimoto +2 more | 2013-12-03 |
| 8567887 | Inkjet recording apparatus and control method of the inkjet recording apparatus which determines current value changes of current flow through the ink | Takahiro Matsui | 2013-10-29 |
| 8491087 | Circuit board for ink jet head, ink jet head having the same, method for cleaning the head and ink jet printing apparatus using the head | Toshiyasu Sakai, Ichiro Saito, Teruo Ozaki, Sakai Yokoyama, Takahiro Matsui +1 more | 2013-07-23 |
| 8322829 | Liquid discharge head substrate and manufacturing method thereof, and liquid discharge head using liquid discharge head substrate and manufacturing method thereof | Sadayoshi Sakuma, Hirokazu Komuro, Souta Takeuchi, Takahiro Matsui | 2012-12-04 |
| 8312628 | Liquid discharge head and method for manufacturing the same | Sadayoshi Sakuma, Hirokazu Komuro, Yuzuru Ishida | 2012-11-20 |
| 8291576 | Method of manufacturing liquid ejection head | Satoshi Ibe, Hirokazu Komuro, Sadayoshi Sakuma | 2012-10-23 |
| 8235485 | Element substrate, printhead, head cartridge, and printing apparatus | Takahiro Matsui, Yoshiyuki Imanaka, Souta Takeuchi, Takaaki Yamaguchi, Kousuke Kubo | 2012-08-07 |
| 8197705 | Method of processing silicon substrate and method of manufacturing liquid discharge head | Keisuke Kishimoto, Hirokazu Komuro, Satoshi Ibe, Kazuhiro Asai, Shimpei Otaka +1 more | 2012-06-12 |