Issued Patents All Time
Showing 1–25 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11686345 | Actuator | Toshio Sato, Naoki Kouta, Masaki Miyahara, Masaki Imamura | 2023-06-27 |
| 9909639 | Low-dust/dust-resistant shock absorber | Eiko Miyasato, Kodai Yoshinaga, Youji Takakuwa, Junya Kaneko | 2018-03-06 |
| 9677639 | Bi-directional shock absorbing device | Eiko Miyasato, Youji Takakuwa, Kodai Yoshinaga, Kouichi Matsuzaki, Toshio Minakuchi +2 more | 2017-06-13 |
| 9457562 | Liquid ejection device and dummy jet method | Manabu Katsumura | 2016-10-04 |
| 9366306 | Double-rod type shock absorber | Eiko Miyasato, Youji Takakuwa, Akira Hiroki, Kouichi Matsuzaki, Toshio Minakuchi +2 more | 2016-06-14 |
| D754035 | Shock absorber | Eiko Miyasato | 2016-04-19 |
| 9016834 | Liquid ejection head, method of manufacturing liquid ejection head and image forming apparatus | — | 2015-04-28 |
| 8789919 | Inkjet head, inkjet head cleaning system and maintenance method of inkjet head | — | 2014-07-29 |
| 8757338 | Hydraulic shock absorber | Eiko Miyasato, Masayuki Ishikawa, Akira Hiroki, Youji Takakuwa, Kouichi Matsuzaki +3 more | 2014-06-24 |
| 8500253 | Piezoelectric actuator and liquid ejection head | — | 2013-08-06 |
| 8230596 | Method of manufacturing a liquid ejection head | — | 2012-07-31 |
| 8104155 | Method of manufacturing a piezoelectric actuator | — | 2012-01-31 |
| 7988068 | Liquid ejection head | — | 2011-08-02 |
| 7958608 | Process for manufacting a piezoelectric device | Takamichi Fujii, Yasukazu Nihei, Yoshikazu Hishinuma | 2011-06-14 |
| 7882636 | Inkjet head, method of manufacturing inkjet head, and inkjet recording apparatus | Kazuo Sanada | 2011-02-08 |
| 7832845 | Liquid ejection head, image forming apparatus and method of manufacturing liquid ejection head | — | 2010-11-16 |
| 7819509 | Liquid ejection head and manufacturing method thereof | — | 2010-10-26 |
| 7768178 | Piezoelectric device, piezoelectric actuator, and liquid discharge device having piezoelectric films | Takamichi Fujii, Yoshikazu Hishinuma | 2010-08-03 |
| 7681998 | Laminated piezoelectric element, liquid droplet ejection head using same, and image forming apparatus comprising same | — | 2010-03-23 |
| 7665831 | Image forming apparatus and method of driving ink discharge | — | 2010-02-23 |
| 7661180 | Method of manufacturing a piezoelectric actuator and liquid ejection head | — | 2010-02-16 |
| 7661801 | Printer including an ink-jet recording head | Kazuaki Kurihara | 2010-02-16 |
| 7628474 | Liquid discharging head with recess in vibration plate | Hisamitsu Hori | 2009-12-08 |
| 7628470 | Liquid ejection head, method of manufacturing same, and image forming apparatus | — | 2009-12-08 |
| 7618129 | Liquid ejection head and image forming apparatus comprising same | Kenichi Kodama, Toshiya Kojima, Kazuo Sanada, Seiichiro Oku, Kanji Nagashima | 2009-11-17 |