Issued Patents All Time
Showing 1–25 of 70 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8948638 | Image forming apparatus | Yuji Ishikura, Yasuyuki Ishii, Hideki Kosugi, Tetsuro Hirota, Masaaki Yamada +4 more | 2015-02-03 |
| 8433211 | Developing device, process cartridge, and image forming apparatus | Tetsuro Hirota, Atsushi Kurokawa, Hideki Kosugi, Masaaki Yamada, Yoshiko Ogawa +1 more | 2013-04-30 |
| 8376494 | Image forming device and image forming apparatus | Tetsuro Hirota, Shin Kayahara, Osamu Endou, Tomoko Takahashi | 2013-02-19 |
| 8259142 | Image forming apparatus with developer passage amount control electrodes | Tetsuro Hirota, Nobuaki Kondoh, Osamu Endou, Shin Kayahara, Tomoko Takahashi | 2012-09-04 |
| 8259141 | Image forming device based on direct recording method and image forming apparatus including the same | Masanori Saitoh, Osamu Endou, Nobuaki Kondoh, Tomoko Takahashi | 2012-09-04 |
| 8167410 | Image forming apparatus | Fuyuhiko Matsumoto, Masanori Saitoh, Nobuaki Kondoh, Shin Kayahara, Osamu Endou +1 more | 2012-05-01 |
| 8165510 | Development device and image forming apparatus having electrodes that cause toner particles to form a toner cloud on the surface of the toner carrier | Ichiro Kadota, Yasuyuki Ishii, Tomoko Takahashi, Masaaki Yamada, Hideki Kosugi +2 more | 2012-04-24 |
| 7907856 | Development apparatus and image forming apparatus using toner carrier with a plurality of electrodes | Takeo Tsukamoto, Nobuaki Kondoh, Tomoko Takahashi, Masaaki Yamada, Hideki Kosugi +3 more | 2011-03-15 |
| 7821527 | Image forming apparatus | Yasuo Katano, Masanori Saitoh, Nobuaki Kondoh, Shin Kayahara | 2010-10-26 |
| 7817174 | Direct image-recording device and image forming apparatus equipped therewith | Masanori Saitoh, Shin Kayahara, Osamu Endo, Tomoko Takahashi, Nobuaki Kondoh | 2010-10-19 |
| 7783235 | Hopping toner development apparatus and image formation apparatus | Takeo Tsukamoto, Nobuaki Kondoh, Tomoko Takahashi, Masaaki Yamada, Hideki Kosugi +3 more | 2010-08-24 |
| 7734233 | Development device, process cartridge, and image forming apparatus | Katsuhiro Aoki, Hideki Zemba, Tomoko Takahashi, Nobuaki Kondoh, Masaaki Yamada +5 more | 2010-06-08 |
| 7712989 | Ink jet recording apparatus capable of performing a duplex print operation | Motokazu Yasui, Tsumori Sato, Masato Yokoyama, Masumi Sato | 2010-05-11 |
| 7672604 | Image forming apparatus and image forming method using electrostatic transport and hopping | Tomoko Takahashi, Katsuo Sakai, Yohichiroh Miyaguchi, Nobuaki Kondoh | 2010-03-02 |
| 7593657 | Powder transferring device capable of detecting an amount of the powder | Tomoko Takahashi, Youichiroh Miyaguchi, Yoshinori Nakagawa, Masaaki Yamada, Nobuaki Kondoh | 2009-09-22 |
| 7526238 | Developing device, process cartridge and image forming apparatus moving toner particles by a phase-shifting electric field | Masaaki Yamada, Yohichiroh Miyaguchi, Nobuaki Kondoh, Yoshinori Nakagawa | 2009-04-28 |
| 7415236 | Cleaning unit, process cartridge, and image-forming apparatus | Tohru Nakano, Osamu Naruse, Masahiko Katoh, Masahiko Shakuto | 2008-08-19 |
| 7344326 | Ink jet recording apparatus capable of performing a duplex print operation | Motokazu Yasui, Tsumori Sato, Masato Yokoyama, Masumi Sato | 2008-03-18 |
| 7308222 | Toner supplying system for an image forming apparatus | Yoshinori Nakagawa, Yohichiroh Miyaguchi, Nobuaki Kondoh, Katsuo Sakai | 2007-12-11 |
| 7236720 | Image forming apparatus and process cartridge | Yasushi Nakazato, Yohichiroh Miyaguchi, Nobuaki Kondoh, Katsuo Sakai | 2007-06-26 |
| 7200352 | Developing apparatus, developing method, image forming apparatus, image forming method and cartridge thereof | Katsuo Sakai, Yohichiro Miyaguchi, Nobuaki Kondoh | 2007-04-03 |
| 7187892 | Toner transport device for image-forming device | Yoichiro Miyaguchi, Nobuaki Kondoh, Katsuo Sakai | 2007-03-06 |
| 7166486 | Optical modulator, optical modulator manufacturing method, light information processing apparatus including optical modulator, image formation apparatus including optical modulator, and image projection and display apparatus including optical modulator | Kouichi Ohtaka, Seiichi Katoh, Takeshi Nanjyo, Eiichi Ohta | 2007-01-23 |
| 7123864 | Developing device using electrostatic transport member | Yohichiro Miyaguchi, Nobuaki Kondoh, Katsuo Sakai | 2006-10-17 |
| 7123872 | Cleaning device and method, image forming apparatus, and process cartridge | Masahiko Shakuto, Tohru Nakano, Osamu Naruse, Masahiko Katoh | 2006-10-17 |