Issued Patents All Time
Showing 101–125 of 141 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8938189 | Toner conveying device and image forming apparatus including the same | Naoki Yamane, Tatsuhiko Yoshii | 2015-01-20 |
| 8867969 | Rotation restricting member, mechanical device, and image forming device | — | 2014-10-21 |
| 8768220 | Image forming apparatus having rotatable member drive mechanism in toner case | Tatsuhiko Yoshii, Naoki Mizutani, Takeshi Fujimura, Naoki Yamane | 2014-07-01 |
| 8725011 | Toner transportation device, image forming apparatus, and method of detecting the amount of toner remaining | Tatsuhiko Yoshii, Naoki Mizutani, Takeshi Fujimura, Naoki Yamane | 2014-05-13 |
| 8676073 | Toner transportation device, toner case, image forming apparatus, and method of controlling toner transportation device | Tatsuhiko Yoshii, Naoki Mizutani, Takeshi Fujimura, Naoki Yamane | 2014-03-18 |
| 8406680 | Sheet reversing device and image forming apparatus | — | 2013-03-26 |
| D652863 | Toner cartridge | — | 2012-01-24 |
| D652073 | Toner cartridge | — | 2012-01-10 |
| D650413 | Toner cartridge | — | 2011-12-13 |
| D650415 | Toner cartridge | — | 2011-12-13 |
| 8027619 | Toner container having a toner agitating function unit with a tubular member having axially spaced ring pieces and openings between the ring pieces | Chisato Hatakeyama | 2011-09-27 |
| D645077 | Toner cartridge | — | 2011-09-13 |
| D644684 | Toner cartridge | — | 2011-09-06 |
| 7977866 | Organic electroluminescence element having partition wall covered by insulating layer | Ryo Shoda, Eiichi Kitazume, Hajime Yokoi, Yuko Abe | 2011-07-12 |
| 7865092 | Waste toner collecting device and image forming apparatus incorporating the same | Yasuyuki Fukunaga, Chisato Hatakeyama | 2011-01-04 |
| 7819716 | Organic electroluminescent element and the manufacturing method | — | 2010-10-26 |
| D621871 | Toner cartridge | Masanobu Maeshima, Takaya Akiyama | 2010-08-17 |
| 7756451 | Rotary mounting structure for toner cartridge | Hironori Daigo | 2010-07-13 |
| 7737609 | Ultrasonic sensor | Masato Kotani, Takaaki Asada, Takayuki Shimamoto, Hiroyuki Hirano, Mio FURUYA | 2010-06-15 |
| 7725070 | Waste toner collecting device and image forming apparatus loaded therewith | Yasuyuki Fukunaga | 2010-05-25 |
| 7628395 | Sheet feeding device and image forming apparatus | Yuki Shiga | 2009-12-08 |
| 7548014 | Ultrasonic transducer | Takaaki Asada, Takayuki Shimamoto, Mio FURUYA | 2009-06-16 |
| 7526237 | Rotary mounting structure for toner cartridge | Hironori Daigo | 2009-04-28 |
| 7338701 | Laminated composite wooden material and method of manufacturing material | Kuniharu Yokoo, Minoru Masuda | 2008-03-04 |
| 7259032 | Hermetically sealing a package to include a barrier metal | Takashi Iwamoto, Hiroki Horiguchi, Ryuichi Kubo, Hidetoshi Fujii, Naoko Aizawa | 2007-08-21 |