Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12122152 | Conveyor and liquid discharge apparatus | — | 2024-10-22 |
| 10648560 | Parking device | Takahiro Kokubu, Masaya Nakai, Tomonari Okamoto, Eikichi KIDOKORO, Kenichi Naka +1 more | 2020-05-12 |
| 9658576 | Developing device, and process cartridge and image forming apparatus incorporating same | Hideki Kimura, Tadashi Ogawa, Hiroyuki Mabuchi, Hiroshi Kikuchi, Yukio Otome +1 more | 2017-05-23 |
| 9529297 | Developing device, process cartridge, and image forming apparatus including same | Hiroaki Okamoto, Tadashi Ogawa, Hiroyuki Mabuchi, Yukio Otome, Hideki Kimura +1 more | 2016-12-27 |
| 9507313 | Image forming apparatus with removable unit and a connectable device to connect to the removable unit | Tadashi Ogawa, Hiroyuki Mabuchi, Yukio Otome, Hideki Kimura, Hiroshi Kikuchi +1 more | 2016-11-29 |
| 9395652 | Developing unit, process cartridge, and image forming apparatus | Hiroshi Kikuchi, Tadashi Ogawa, Hiroyuki Mabuchi, Hideki Kimura, Yukio Otome +2 more | 2016-07-19 |
| 9360816 | Toner bottle driving device control method and image forming apparatus | Hiroyuki Mabuchi, Hiroaki Okamoto, Yukio Otome, Tadashi Ogawa, Hiroshi Kikuchi +2 more | 2016-06-07 |
| 9323176 | Powder supply device and image forming apparatus incorporating same | Hiroyuki Mabuchi, Yukio Otome, Hiroshi Kikuchi, Hiroaki Okamoto, Akira Fujimori +2 more | 2016-04-26 |
| 8554119 | Developing device, image forming apparatus, and process cartridge | — | 2013-10-08 |
| 8295737 | Developing device and image forming apparatus using same | Kiyonori Tsuda, Keiko Matsumoto, Kentaroh Tomita, Kohichi Utsunomiya | 2012-10-23 |
| 8165508 | Developer loading method, loaded developer accommodating container, developer replenishment device, and image forming apparatus | Keiko Matsumoto, Emi Kita, Mugijirou Uno, Satoru Miyamoto, Maiko Koeda | 2012-04-24 |
| 8145101 | Developing device, image forming apparatus and process cartridge in which a shock is applied intermittently to the discharged developer | Koichi Kato, Koichi Sakata, Maiko Koeda, Kentaroh Tomita, Kiyonori Tsuda | 2012-03-27 |
| 8126373 | Toner supply device and image forming apparatus that prevents toner from being scattered from the device | Kohichi Utsunomiya, Koichi Kato, Klyonori Tsuda, Emi Kita, Satoru Yoshida +1 more | 2012-02-28 |
| 8032055 | Developing device, process cartridge including developing device, and image forming apparatus including process cartridge | — | 2011-10-04 |
| 8014704 | Developing agent storage device and image forming apparatus having same in which the chargeability level of the toner, storage device, and carrier have a specific relationship | Keiko Matsumoto, Emi Kita, Mugijirou Uno, Satoru Miyamoto | 2011-09-06 |
| 7937027 | Developing device and image forming apparatus | Koichi Kato, Kiyonori Tsuda, Emi Kita, Satoru Yoshida, Shinya Kikutani +1 more | 2011-05-03 |
| 7543137 | Information processing device and information processing method | Yasunori Yamamoto, Keizo Sumida, Yoshiteru Mino, Yoshinori Tokimoto | 2009-06-02 |
| 7289755 | Development apparatus, process cartridge, and image forming apparatus | — | 2007-10-30 |
| 7043182 | Developer regulating member, developing device, electrophotographic image forming process cartridge, and image forming apparatus including the developer regulating member | Kiyotaka Sakai, Kazuyuki Sugihara, Kazuhisa Sudo, Katsumi Masuda, Hiroyuki Nagashima +1 more | 2006-05-09 |
| 6985165 | Toner scattering suppressing apparatus and image forming apparatus | — | 2006-01-10 |
| 6757510 | Developing device and image forming apparatus using the same | — | 2004-06-29 |
| 6681092 | Developer carrier having grooves on surface thereof, developing device including the developer carrier, and image forming apparatus including the developing device | — | 2004-01-20 |
| 6522855 | Image forming apparatus and developing apparatus preventing uneven image density | Shunji Katoh, Hideo Yoshizawa, Shinji Tamaki, Kiyonori Tsuda, Tsuyoshi Imamura +3 more | 2003-02-18 |
| 6337957 | Image forming apparatus and developing device with improved self toner density control | Shinji Tamaki, Tsuyoshi Imamura, Hideo Yoshizawa, Masayuki Yamane, Kiyonori Tsuda +5 more | 2002-01-08 |
| 5848326 | Toner conveying method and device for an image forming apparatus | Ichiroh Komuro | 1998-12-08 |