Issued Patents All Time
Showing 25 most recent of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8002374 | Printhead driving method, printhead substrate, printhead, head cartridge, and printing apparatus | Yoshiyuki Imanaka, Nobuyuki Hirayama, Ichiro Saito, Takaaki Yamaguchi, Masao Kato +1 more | 2011-08-23 |
| 7922274 | Solid semiconductor element, ink tank, ink jet recording apparatus provided with ink tank, liquid information acquiring method and liquid physical property change discriminating method | Masahiko Kubota, Sadayuki Sugama, Ichiro Saito, Hiroyuki Ishinaga, Yoshiyuki Imanaka +3 more | 2011-04-12 |
| 7621612 | Substrate for ink jet head, ink jet head, and ink jet recording apparatus having ink jet head | Takaaki Yamaguchi, Yoshiyuki Imanaka, Takuya Hatsui, Souta Takeuchi, Kousuke Kubo | 2009-11-24 |
| 7575294 | Printhead substrate, printhead using the substrate, head cartridge including the printhead, method of driving the printhead, and printing apparatus using the printhead | Yoshiyuki Imanaka, Teruo Ozaki, Takuya Hatsui, Takaaki Yamaguchi, Ichiro Saito +1 more | 2009-08-18 |
| 7344218 | Printhead driving method, printhead substrate, printhead, head cartridge and printing apparatus | Yoshiyuki Imanaka, Nobuyuki Hirayama, Ichiro Saito, Takaaki Yamaguchi, Masao Kato +1 more | 2008-03-18 |
| 7216960 | Method of driving a printhead using a constant current and operating MOS transistor in saturation region | Yoshiyuki Imanaka, Teruo Ozaki, Takuya Hatsui, Takaaki Yamaguchi, Ichiro Saito +1 more | 2007-05-15 |
| 7210755 | Solid semiconductor element, ink tank, ink jet recording apparatus provided with ink tank, liquid information acquiring method and liquid physical property change discriminating method | Masahiko Kubota, Sadayuki Sugama, Ichiro Saito, Hiroyuki Ishinaga, Yoshiyuki Imanaka +3 more | 2007-05-01 |
| 7144093 | Inkjet printhead, driving method of inkjet printhead, and substrate for inkjet printhead | Yoshinori Nakajima, Jiro Moriyama, Mineo Kaneko, Masafumi Wataya, Yoshiyuki Imanaka +4 more | 2006-12-05 |
| 7108345 | Recording head, substrate for use of recording head, and recording apparatus | Ichiro Saito, Hiroyuki Ishinaga, Yoshiyuki Imanaka, Nobuyuki Matsumoto, Yoichi Taneya | 2006-09-19 |
| 7055923 | Recording head, substrate for use of recording head, and recording apparatus | Ichiro Saito, Hiroyuki Ishinaga, Yoshiyuki Imanaka, Nobuyuki Matsumoto, Yoichi Taneya | 2006-06-06 |
| 7014287 | Solid semiconductor element, ink tank, ink jet recording apparatus provided with ink tank, liquid information acquiring method and liquid physical property change discriminating method | Masahiko Kubota, Sadayuki Sugama, Ichiro Saito, Hiroyuki Ishinaga, Yoshiyuki Imanaka +3 more | 2006-03-21 |
| 7004569 | Electrothermal converting element board, ink jet printing head provided with electrothermal converting element board and ink jet printing apparatus using the same | Ichiro Saito, Yoshiyuki Imanaka | 2006-02-28 |
| 6997546 | Base plate for use of recording head, recording head, recording apparatus, and method for manufacturing recording head | Yoshiyuki Imanaka, Ichiro Saito, Teruo Ozaki, Takaaki Yamaguchi | 2006-02-14 |
| 6997535 | Ink tank and ink jet recording apparatus provided with the same | Ichiro Saito, Hiroyuki Ishinaga, Yoshiyuki Imanaka, Masahiko Kubota, Ryoji Inoue +1 more | 2006-02-14 |
| 6988782 | Recording apparatus and liquid discharge method | Yoshiyuki Imanaka, Ichiro Saito, Yoshinori Misumi, Hidehiko Kanda, Takaaki Yamaguchi | 2006-01-24 |
| 6971735 | Ink-jet printhead board, ink-jet printhead, and ink-jet printing apparatus | Ichiro Saito, Tatsuo Furukawa, Yoshiyuki Imanaka, Nobuyuki Hirayama, Takaaki Yamaguchi | 2005-12-06 |
| 6969154 | Ink jet recording head with multiple recording elements, electrical circuit elements and protecting sections | Souta Takeuchi, Yoshiyuki Imanaka, Takuya Hatsui, Takaaki Yamaguchi, Kousuke Kubo | 2005-11-29 |
| 6966629 | Inkjet printhead, driving method of inkjet printhead, and substrate for inkjet printhead | Yoshinori Nakajima, Jiro Moriyama, Mineo Kaneko, Masafumi Wataya, Yoshiyuki Imanaka +4 more | 2005-11-22 |
| 6962405 | Substrate for ink jet recording head, ink jet recording head and ink jet recording apparatus using ink jet recording head | Yoshiyuki Imanaka, Kei Fujita, Hiraku Kozuka, Mineo Shimotsusa, Yukihiro Hayakawa +5 more | 2005-11-08 |
| 6945629 | Substrate for ink jet head, ink jet head, and ink jet recording apparatus having ink jet head | Takaaki Yamaguchi, Yoshiyuki Imanaka, Takuya Hatsui, Souta Takeuchi, Kousuke Kubo | 2005-09-20 |
| 6863834 | Method for manufacturing liquid ejecting head | Tomoyuki Hiroki, Masahiko Ogawa, Ichiro Saito, Yoshiyuki Imanaka | 2005-03-08 |
| 6827411 | Solid semiconductor element, ink tank, ink jet recording apparatus provided with ink tank, liquid information acquiring method and liquid physical property change discriminating method | Masahiko Kubota, Sadayuki Sugama, Ichiro Saito, Hiroyuki Ishinaga, Yoshiyuki Imanaka +3 more | 2004-12-07 |
| 6798535 | Printer head and printer apparatus | Nobuyuki Matsumoto, Ichiro Saito, Hiroyuki Ishinaga, Yoshiyuki Imanaka, Yoichi Taneya | 2004-09-28 |
| 6773096 | Substrate for recording head, recording head, recording apparatus, and method of inspecting substrate for recording head | Ichiro Saito, Yoshiyuki Imanaka, Teruo Ozaki, Takaaki Yamaguchi | 2004-08-10 |
| 6769754 | Ink jet recording apparatus utilizing solid semiconductor element | Yoshiyuki Imanaka, Ichiro Saito, Hiroyuki Ishinaga, Masahiko Kubota, Ryoji Inoue +1 more | 2004-08-03 |