Issued Patents All Time
Showing 26–50 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10059100 | Easy-to-clean liquid droplet ejecting apparatus | Shuhei Yokoyama, Satoshi Kaiho, Ikuo Fujisawa | 2018-08-28 |
| 9937718 | Ink jet head and ink jet recording apparatus | Meng Fei Wong, Shuhei Yokoyama, Ryuichi Arai | 2018-04-10 |
| 9914299 | Inkjet head and inkjet recording apparatus | Ryuichi Arai, Shuhei Yokoyama | 2018-03-13 |
| 9815279 | Inkjet head drive apparatus | Yasuhito Kiji | 2017-11-14 |
| 9707756 | Inkjet head and inkjet recording apparatus | Shuhei Yokoyama, Ryuichi Arai | 2017-07-18 |
| 9561652 | Inkjet printer head | Masashi Shimosato, Hideaki Nishida, Keizaburo Yamamoto | 2017-02-07 |
| 9415593 | Ink jet head and manufacturing method of the same | Shuhei Yokoyama, Chiaki Tanuma, Ryuichi Arai | 2016-08-16 |
| 9415597 | Ink jet head having nozzle plate equipped with piezoelectric elements | Takashi Kawakubo, Kazuhide Abe, Yasushi Tomizawa, Ryuichi Arai, Osamu Takagi | 2016-08-16 |
| 9358785 | Inkjet head having high mechanical strength and method of manufacturing the same | Takashi Kawakubo, Kazuhide Abe, Yasushi Tomizawa, Ryuichi Arai, Osamu Takagi | 2016-06-07 |
| 9340018 | Inkjet head including nozzle plate provided with piezoelectric element | Takashi Kawakubo, Ryuichi Arai, Osamu Takagi | 2016-05-17 |
| 9308723 | Ink jet head and ink jet recording apparatus | Shuhei Yokoyama, Ryuichi Arai | 2016-04-12 |
| 9227403 | Ink jet head and ink jet printing apparatus having the same | Shuhei Yokoyama, Ryuichi Arai | 2016-01-05 |
| 9221255 | Ink jet head and ink jet printing apparatus having the same | Shuhei Yokoyama, Ryuichi Arai, Masayuki Satomi | 2015-12-29 |
| 9150008 | Ink jet head and manufacturing method of the same | Shuhei Yokoyama, Chiaki Tanuma, Ryuichi Arai | 2015-10-06 |
| 9138999 | Ink jet head and image forming apparatus | Ryuichi Arai, Chiaki Tanuma, Shuhei Yokoyama | 2015-09-22 |
| 9102154 | Ink jet head and ink jet printing apparatus having the same | Shuhei Yokoyama, Ryuichi Arai, Chiaki Tanuma | 2015-08-11 |
| 9079400 | Ink jet head | Chiaki Tanuma, Shuhei Yokoyama, Ryuichi Arai | 2015-07-14 |
| 9073319 | Inkjet head and inkjet recording apparatus with integrated nozzles and actuators | Chiaki Tanuma, Shuhei Yokoyama, Ryuichi Arai | 2015-07-07 |
| 9050798 | Ink-jet head and manufacturing method of the same | Shuhei Yokoyama, Chiaki Tanuma, Ryuichi Arai | 2015-06-09 |
| 8967775 | Ink jet head and image forming apparatus | Ryuichi Arai, Chiaki Tanuma, Shuhei Yokoyama | 2015-03-03 |
| 8944573 | Inkjet head and method of manufacturing the same | Shuhei Yokoyama, Chiaki Tanuma, Ryuichi Arai | 2015-02-03 |
| 8876262 | Inkjet head and inkjet recording apparatus | Ryuichi Arai, Chiaki Tanuma, Shuhei Yokoyama | 2014-11-04 |
| 8801147 | Inkjet head and inkjet recording apparatus | Chiaki Tanuma, Shuhei Yokoyama, Ryuichi Arai | 2014-08-12 |
| 8733898 | Ink jet head, nozzle plate thereof and printing method using the same | — | 2014-05-27 |
| 8678531 | Driving apparatus and driving method of inkjet head | — | 2014-03-25 |