Issued Patents All Time
Showing 25 most recent of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12280602 | Liquid ejection head and liquid ejection apparatus | Naozumi Nabeshima, Soji Kondo, Koichi Kubo | 2025-04-22 |
| 11458732 | Liquid ejection head and manufacturing method of liquid ejection head | Sayaka Seki, Kyosuke Toda, Shimpei Yoshikawa, Ryo Sato, Keiichiro Tsukuda +2 more | 2022-10-04 |
| 11454917 | Image forming apparatus | Yuusuke Furuichi, Tomoya Adachi | 2022-09-27 |
| 11433677 | Liquid storage device and liquid filling method | Atsushi Omura, Hiroki Tajima, Keiichiro Tsukuda, Yuji Tamaru, Naoko Shimizu +5 more | 2022-09-06 |
| 11192381 | Liquid ejection apparatus and liquid filling method | Hiroki Tajima, Keiichiro Tsukuda, Yuji Tamaru, Naoko Shimizu, Kyosuke Toda +4 more | 2021-12-07 |
| 9855744 | Liquid ejection head and inkjet printing apparatus with reinforced flow path forming member | — | 2018-01-02 |
| 9539813 | Liquid discharge head | Yasushi Iijima | 2017-01-10 |
| 9527281 | Liquid ejection head and liquid ejection apparatus | Yasuhiko Osaki | 2016-12-27 |
| 9259926 | Liquid ejection apparatus and liquid ejection head | — | 2016-02-16 |
| 9038268 | Inkjet printing head manufacture method, printing element substrate, and inkjet printing head | Toru Yamane | 2015-05-26 |
| 8936350 | Print head and inkjet printing apparatus | Yasunori Takei, Takuma Kodoi, Ken Ikegame, Isamu Horiuchi, Hyou Takahashi | 2015-01-20 |
| 8827422 | Liquid ejection head and method of production thereof | Takuma Kodoi, Yasunori Takei, Isamu Horiuchi, Hyo Takahashi, Ken Ikegame | 2014-09-09 |
| 8794745 | Liquid ejection head and liquid ejection method | Toru Yamane, Tomoyuki Inoue, Eisuke Nishitani, Atsushi Sakamoto | 2014-08-05 |
| 8785110 | Liquid ejection head and method of manufacturing the same | Takuma Kodoi, Yasunori Takei, Isamu Horiuchi, Hyou Takahashi, Ken Ikegame | 2014-07-22 |
| 8703398 | Method of manufacturing liquid ejection head | Ken Ikegame, Isamu Horiuchi, Hyo Takahashi, Takuma Kodoi, Yasunori Takei | 2014-04-22 |
| 8579407 | Inkjet recording apparatus and abnormality detection method for liquid discharge head | — | 2013-11-12 |
| 7887159 | Liquid ejecting head and ink jet printing apparatus | Yasunori Takei, Shuichi Murakami | 2011-02-15 |
| 7527352 | Ink jet recording head and ink discharge method | Mineo Kaneko, Ken Tsuchii, Keiichiro Tsukuda, Masaki Oikawa | 2009-05-05 |
| 7410241 | Ink jet head, ink jet printer and method for manufacturing ink jet head | — | 2008-08-12 |
| 7172264 | Ink jet recording heat and ink discharge method | Mineo Kaneko, Ken Tsuchii, Keiichiro Tsukuda, Masaki Oikawa | 2007-02-06 |
| 7077500 | Ink jet head and ink jet printer | — | 2006-07-18 |
| 7077503 | Ink jet head | Mineo Kaneko, Ken Tsuchii, Keiichiro Tsukuda, Masaki Oikawa | 2006-07-18 |
| 6988786 | Ink jet recording head and ink discharge method | Mineo Kaneko, Ken Tsuchii, Keiichiro Tsukuda, Masaki Oikawa | 2006-01-24 |
| 6984025 | Ink jet head | Mineo Kaneko, Ken Tsuchii, Keiichiro Tsukuda, Masaki Oikawa | 2006-01-10 |
| 6976748 | Ink jet head and printer | Mineo Kaneko, Ken Tsuchii, Nobuyuki Hirayama, Masaki Oikawa | 2005-12-20 |