Issued Patents All Time
Showing 1–25 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8177329 | Ink jet print head | Mitsuhiro Matsumoto, Ken Tsuchii, Toru Yamane, Masaki Oikawa, Keiji Tomizawa +3 more | 2012-05-15 |
| 8162446 | Print head | Keiji Tomizawa, Ken Tsuchii, Toru Yamane, Masaki Oikawa, Mitsuhiro Matsumoto +3 more | 2012-04-24 |
| 7963633 | Ink jet recording head and ink jet recording apparatus | Masaki Oikawa, Ken Tsuchii, Toru Yamane, Keiji Tomizawa, Mitsuhiro Matsumoto +3 more | 2011-06-21 |
| 7959260 | Ink jet recording method | Keiichiro Tsukuda, Ken Tsuchii | 2011-06-14 |
| 7909437 | Liquid discharge head | Shuichi Ide, Ken Tsuchii | 2011-03-22 |
| 7896474 | Liquid ejection head and recording apparatus | Ryo Kasai, Masataka Sakurai | 2011-03-01 |
| 7832843 | Liquid jet head | Masaki Oikawa, Ken Tsuchii, Toru Yamane, Keiji Tomizawa, Mitsuhiro Matsumoto +3 more | 2010-11-16 |
| 7784904 | Liquid jet head | Shuichi Ide, Ken Tsuchii, Toru Yamane, Masaki Oikawa, Keiji Tomizawa +2 more | 2010-08-31 |
| 7771026 | Ink jet recording head and liquid jetting method | Shuichi Ide, Ken Tsuchii, Toru Yamane, Masaki Oikawa, Keiji Tomizawa +3 more | 2010-08-10 |
| 7735962 | Ink jet print head | Mitsuhiro Matsumoto, Ken Tsuchii, Toru Yamane, Masaki Oikawa, Keiji Tomizawa +3 more | 2010-06-15 |
| 7695088 | Ink jet printing apparatus and ink jet printing method | Toru Yamane, Ken Tsuchii, Masaki Oikawa, Keiji Tomizawa, Mitsuhiro Matsumoto +2 more | 2010-04-13 |
| 7665825 | Ink jet recording head, ink jet recording apparatus, and method of manufacturing ink jet recording head | — | 2010-02-23 |
| 7591537 | Ink jet recording head | Ken Tsuchii, Toru Yamane, Masaki Oikawa, Keiji Tomizawa, Mitsuhiro Matsumoto +2 more | 2009-09-22 |
| 7556330 | Recording apparatus and recording method | Tetsuya Saito, Souhei Tanaka, Keiji Tomizawa | 2009-07-07 |
| 7527352 | Ink jet recording head and ink discharge method | Ken Tsuchii, Keiichiro Tsukuda, Masaki Oikawa, Kenji Yabe | 2009-05-05 |
| 7287838 | Liquid discharge head having protective film for heating element and substrate therefor | Ken Tsuchii, Masaki Oikawa | 2007-10-30 |
| 7216961 | Ink jet head having heat accumulation layer and protection film method of driving thereof and ink jet recording apparatus provided therewith | Masaki Oikawa | 2007-05-15 |
| 7172264 | Ink jet recording heat and ink discharge method | Ken Tsuchii, Keiichiro Tsukuda, Masaki Oikawa, Kenji Yabe | 2007-02-06 |
| 7144093 | Inkjet printhead, driving method of inkjet printhead, and substrate for inkjet printhead | Yoshinori Nakajima, Jiro Moriyama, Masafumi Wataya, Yoshiyuki Imanaka, Takuya Hatsui +4 more | 2006-12-05 |
| 7118193 | Liquid ejecting recording head and liquid ejecting recording apparatus | Naoji Otsuka | 2006-10-10 |
| 7077503 | Ink jet head | Ken Tsuchii, Keiichiro Tsukuda, Masaki Oikawa, Kenji Yabe | 2006-07-18 |
| 6988786 | Ink jet recording head and ink discharge method | Ken Tsuchii, Keiichiro Tsukuda, Masaki Oikawa, Kenji Yabe | 2006-01-24 |
| 6984025 | Ink jet head | Ken Tsuchii, Keiichiro Tsukuda, Masaki Oikawa, Kenji Yabe | 2006-01-10 |
| 6976748 | Ink jet head and printer | Kenji Yabe, Ken Tsuchii, Nobuyuki Hirayama, Masaki Oikawa | 2005-12-20 |
| 6966629 | Inkjet printhead, driving method of inkjet printhead, and substrate for inkjet printhead | Yoshinori Nakajima, Jiro Moriyama, Masafumi Wataya, Yoshiyuki Imanaka, Takuya Hatsui +4 more | 2005-11-22 |