Issued Patents All Time
Showing 1–25 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11173713 | Liquid discharge head | Tomohiro Sato, Koichi Ishida, Yoshinori Misumi, Maki Kato, Yuzuru Ishida +1 more | 2021-11-16 |
| 11077658 | Liquid ejection head and method of manufacturing the same | Tomoki Ishiwata, Shuzo Iwanaga, Keiji Tomizawa, Tomohiro Sato, Akiko Hammura +2 more | 2021-08-03 |
| 11027543 | Printing apparatus and method of determining minimum discharge energy | Takatsugu Moriya, Nobuyuki Hirayama, Hiroyasu Nomura | 2021-06-08 |
| 10322578 | Liquid ejection head and liquid ejection apparatus | Tomoko Kudo, Takaaki Yamaguchi, Keiji Tomizawa, Yoshihiro Hamada, Masataka Sakurai | 2019-06-18 |
| 10040285 | Liquid ejection head and liquid ejection device, and aging treatment method and initial setup method for a liquid ejection device | Yoshihiro Hamada, Takuya Hatsui, Makoto Sakurai, Takeru Yasuda | 2018-08-07 |
| 9975334 | Liquid discharging head, liquid discharging apparatus, and liquid suction method | Takuma Kodoi | 2018-05-22 |
| 9630405 | Printing element substrate, liquid ejection head, and liquid ejection apparatus | Toshikazu Nagatsuka, Atsushi Omura | 2017-04-25 |
| 9630409 | Liquid discharge head | Yoshihiro Hamada, Hiroshi Yamada, Atsushi Omura, Takuma Kodoi, Tomotsugu Kuroda +2 more | 2017-04-25 |
| 9616664 | Liquid ejection head | Hiroshi Yamada, Atsushi Omura, Satoshi Kimura, Kousuke Nakahata | 2017-04-11 |
| 9266325 | Print head and inkjet printing apparatus | Keiji Tomizawa | 2016-02-23 |
| 9193160 | Liquid ejection head | Yoshihiro Hamada, Hiroshi Yamada, Yasunori Takei, Atsushi Omura | 2015-11-24 |
| 9138995 | Liquid ejection head, liquid ejection method, and printing apparatus employing this ejection head | Michinari Mizutani, Yasunori Takei, Yoshihiro Hamada, Toshikazu Nagatsuka | 2015-09-22 |
| 8985741 | Liquid ejection head | Yoshihiro Hamada, Atsushi Omura | 2015-03-24 |
| 8845081 | Liquid discharge head | Keiji Tomizawa | 2014-09-30 |
| 8757776 | Ink jet ink, ink set, ink jet recording method, ink cartridge, recording unit and ink jet recording appratus | Hideki Yamakami, Daiji Okamura, Hiroshi Tomioka, Chiaki Muraoka | 2014-06-24 |
| 8500265 | Ink jet ink, ink set, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatus | Hideki Yamakami, Daiji Okamura, Hiroshi Tomioka, Chiaki Muraoka | 2013-08-06 |
| 8376522 | Liquid ejection head and printing apparatus | Mitsuhiro Matsumoto | 2013-02-19 |
| 8342645 | Printing apparatus and control method therefor | Keiji Tomizawa, Masayuki Kyoshima | 2013-01-01 |
| 8342631 | Inkjet print apparatus and inkjet print method | Masayuki Kyoshima, Keiji Tomizawa | 2013-01-01 |
| 8342648 | Inkjet head | Chiaki Muraoka, Yasushi Iijima, Tomotsugu Kuroda, Naoko Tsujiuchi, Mikiya Umeyama +2 more | 2013-01-01 |
| 8287091 | Inkjet printing apparatus and inkjet printing method | Masayuki Kyoshima, Keiji Tomizawa | 2012-10-16 |
| 8231203 | Ink jet print head, ink jet printing apparatus and ink jet printing method | Yuichiro Akama, Keiji Tomizawa, Toru Yamane, Genji Inada, Mikiya Umeyama +2 more | 2012-07-31 |
| 8210655 | Liquid ejection head and manufacturing method of liquid ejection head | Chiaki Muraoka, Yukuo Yamaguchi, Mikiya Umeyama, Toru Yamane, Yuichiro Akama +2 more | 2012-07-03 |
| 8177329 | Ink jet print head | Mitsuhiro Matsumoto, Mineo Kaneko, Ken Tsuchii, Toru Yamane, Keiji Tomizawa +3 more | 2012-05-15 |
| 8162446 | Print head | Keiji Tomizawa, Mineo Kaneko, Ken Tsuchii, Toru Yamane, Mitsuhiro Matsumoto +3 more | 2012-04-24 |