Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8786646 | Light-emitting chip, light-emitting device, print head and image forming apparatus | Taku KINOSHITA, Seiji Ohno | 2014-07-22 |
| 8729569 | Light-emitting chip, print head and image forming apparatus | — | 2014-05-20 |
| 8465112 | Droplet ejecting apparatus and current control method | — | 2013-06-18 |
| 8174031 | Light-emitting element chip, exposure device and image forming apparatus | — | 2012-05-08 |
| 8052240 | Droplet ejecting apparatus and current control method | — | 2011-11-08 |
| 8038242 | Droplet ejecting apparatus and current control method | — | 2011-10-18 |
| 7887149 | Capacitive load driving circuit and image forming device | — | 2011-02-15 |
| 7884850 | Image forming apparatus | — | 2011-02-08 |
| 7850279 | Liquid droplet ejecting head and liquid droplet ejecting apparatus | Hiroyuki Usami, Toshinobu Hamazaki, Nanao Inoue, Akira Mihara, Naoki Morita +1 more | 2010-12-14 |
| 7850264 | Droplet ejecting apparatus and current control method | — | 2010-12-14 |
| 7448733 | Liquid droplet ejecting head and liquid droplet ejecting device | Michiaki Murata, Hiroyuki Usami | 2008-11-11 |
| 7445305 | Droplet ejection apparatus and droplet ejection method | — | 2008-11-04 |
| 7311370 | Inkjet recording head driving circuit, inkjet recording head, and inkjet printer | — | 2007-12-25 |
| 6932461 | Ink-jet recording head | Hiroyuki Usami, Hiroshi Ikeda, Nanao Inoue, Shuichi Yamada, Naoki Morita | 2005-08-23 |
| 6910761 | Ink jet recording head and ink jet recording apparatus | Hiroyuki Usami | 2005-06-28 |
| 6899414 | Printhead and recording device arranged with the printhead | Kohta Nakayama | 2005-05-31 |
| 6759766 | Power supply apparatus and image forming apparatus using the same | Masashi Hiratsuka, Kunihiro Takahashi | 2004-07-06 |
| 6443547 | Driving device for inkjet recording apparatus and inkjet recording apparatus using the same | Kunihiro Takahashi, Akira Mihara, Masashi Hiratsuka | 2002-09-03 |
| 5933161 | Ink-jet recorder having a driving circuit for driving heat-generating elements | Kunihito Sato, Tohru Mihara, Shinichi Yasunaga, Akira Mihara | 1999-08-03 |