Issued Patents All Time
Showing 26–50 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8740350 | Inkjet recording head substrate and drive control method, inkjet recording head, inkjet recording head cartridge and inkjet recording apparatus | Tatsuo Furukawa, Hidenori Watanabe, Nobuyuki Hirayama, Ryo Kasai | 2014-06-03 |
| 8721047 | Liquid ejection head and ink jet printing apparatus | Ken Tsuchii | 2014-05-13 |
| 8573758 | Liquid jet recording head and liquid supply method | Tomoyuki Inoue, Ken Tsuchii, Yoshiyuki Nakagawa, Akiko Saito | 2013-11-05 |
| 8529003 | Print head | — | 2013-09-10 |
| 8523325 | Liquid ejection head and ink jet printing apparatus | Ken Tsuchii | 2013-09-03 |
| 8342651 | Inkjet recording head | Akiko Saito, Yoshiyuki Nakagawa, Ken Tsuchii, Akira Shibasaki, Masao Furukawa +2 more | 2013-01-01 |
| 8342658 | Ink jet print head | Ken Tsuchii, Yoshiyuki Nakagawa, Akiko Saito | 2013-01-01 |
| 8282180 | Element substrate, recording head using the element substrate, and recording apparatus | — | 2012-10-09 |
| 8226190 | Recording element substrate and recording head having the same | Nobuyuki Hirayama, Tatsuo Furukawa, Ryo Kasai, Tomoko Kudo | 2012-07-24 |
| 8205968 | Liquid discharge head and liquid discharge method | Yoshiyuki Nakagawa, Ken Tsuchii, Tomoyuki Inoue, Akiko Saito | 2012-06-26 |
| 8177333 | Element board for printhead, and printhead having the same | Nobuyuki Hirayama, Ryo Kasai | 2012-05-15 |
| 8147039 | Head substrate, printhead, head cartridge, and printing apparatus | Tomoko Kurokawa, Nobuyuki Hirayama, Ryo Kasai | 2012-04-03 |
| 8083325 | Liquid ejection recording head having element substrate with plural supply ports | Tomoyuki Inoue, Ken Tsuchii, Akiko Saito | 2011-12-27 |
| 8083318 | Liquid ejection head | Ken Tsuchii, Tomoyuki Inoue, Akiko Saito | 2011-12-27 |
| 8075103 | Ink jet print head substrate and ink jet print head | Tatsuo Furukawa, Nobuyuki Hirayama, Ryo Kasai, Tomoko Kurokawa | 2011-12-13 |
| 8038238 | Printhead substrate, inkjet printhead, and inkjet printing apparatus | — | 2011-10-18 |
| 7959243 | Printhead, head cartridge, and printing apparatus employing either of same | Ryo Kasai | 2011-06-14 |
| 7918538 | Printhead formed of element substrates having function circuits | — | 2011-04-05 |
| 7909432 | Liquid ejection head | Ken Tsuchii, Tomoyuki Inoue, Akiko Saito | 2011-03-22 |
| 7896474 | Liquid ejection head and recording apparatus | Ryo Kasai, Mineo Kaneko | 2011-03-01 |
| 7866798 | Head cartridge, printhead, and substrate having downsized level conversion elements that suppress power consumption | Ryo Kasai | 2011-01-11 |
| 7850262 | Head substrate, printhead, head cartridge, and printing apparatus | Nobuyuki Hirayama | 2010-12-14 |
| 7819493 | Element board for printhead, and printhead having the same | Nobuyuki Hirayama, Ryo Kasai | 2010-10-26 |
| 7815272 | Element body for recording head and recording head having element body | Ryo Kasai, Tatsuo Furukawa, Nobuyuki Hirayama | 2010-10-19 |
| 7806496 | Printhead substrate, inkjet printhead, and inkjet printing apparatus | — | 2010-10-05 |