Issued Patents All Time
Showing 26–50 of 71 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8716031 | Method for quantification of antigen-specific canine IgE | Kenichi Masuda, Nobutaka Yasuda | 2014-05-06 |
| 8588635 | Development device, process cartridge incorporating same, and image forming apparatus incorporating same | Yoshiko Ogawa, Hideki Kosugi, Masaaki Yamada, Atsushi Kurokawa, Yuji Ishikura | 2013-11-19 |
| 8391755 | Developing device, process cartridge, and image forming apparatus | Yoshinori Nakagawa, Hideki Kosugi, Tomoko Takahashi, Masaaki Yamada, Ichiro Kadota | 2013-03-05 |
| 8374531 | Developer bearing member and developing device with outer electrode including separated portions, and inner electrode for creating electric field | Yoshinori Nakagawa, Hideki Kosugi, Masaaki Yamada, Atsushi Kurokawa | 2013-02-12 |
| 8355657 | Development unit, for image forming apparatus | Ichiro Kadota, Tomoko Takahashi, Masaaki Yamada, Hideki Kosugi, Yoshinori Nakagawa | 2013-01-15 |
| 8204415 | Developing unit, processing unit, and image forming apparatus | Yoshinori Nakagawa, Hideki Kosugi, Tomoko Takahashi, Masaaki Yamada, Masanori Saitoh | 2012-06-19 |
| 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, Tomoko Takahashi, Masaaki Yamada, Hideki Kosugi, Yoshinori Nakagawa +2 more | 2012-04-24 |
| 8073350 | Developing apparatus, image forming apparatus, and process cartridge | Hideki Kosugi, Tomoko Takahashi, Masaaki Yamada, Ichiro Kadota, Yoshinori Nakagawa | 2011-12-06 |
| 8041267 | Developing device, process cartridge, and image forming apparatus | Yoshinori Nakagawa, Masaaki Yamada, Hideki Kosugi, Tomoko Takahashi, Ichiro Kadota | 2011-10-18 |
| 8041268 | Developing device, process cartridge, and image forming apparatus | Tomoko Takahashi, Yoshinori Nakagawa, Masaaki Yamada, Ichiroh Kadota, Hideki Kosugi | 2011-10-18 |
| 8005409 | Development device | Hideki Kosugi, Tomoko Takahashi, Yoshinori Nakagawa, Masaaki Yamada, Ichiro Kadota | 2011-08-23 |
| 7920812 | Development device and image forming apparatus that uses this device | Hideki Kosugi, Tomoko Takahashi, Masaaki Yamada, Ichiro Kadota, Yoshinori Nakagawa | 2011-04-05 |
| 7912410 | Developing device, a process cartridge and an image forming apparatus including a toner carrier and a voltage supply | Tomoko Takahashi, Hideki Kosugi, Ichiro Kadota, Masaaki Yamada, Yoshinori Nakagawa | 2011-03-22 |
| 7907856 | Development apparatus and image forming apparatus using toner carrier with a plurality of electrodes | Takeo Tsukamoto, Nobuaki Kondoh, Masanori Horike, Tomoko Takahashi, Masaaki Yamada +3 more | 2011-03-15 |
| 7822351 | Filling-rate lowering and rolling rate adjusting image forming apparatus | Katsuhiro Aoki, Takeo Tsukamoto, Takashi Fujita, Katsuaki Miyawaki, Masanori Saitoh +2 more | 2010-10-26 |
| 7783235 | Hopping toner development apparatus and image formation apparatus | Takeo Tsukamoto, Nobuaki Kondoh, Masanori Horike, Tomoko Takahashi, Masaaki Yamada +3 more | 2010-08-24 |
| 7734233 | Development device, process cartridge, and image forming apparatus | Katsuhiro Aoki, Hideki Zemba, Tomoko Takahashi, Nobuaki Kondoh, Masanori Horike +5 more | 2010-06-08 |
| 7702265 | Developing unit and image forming apparatus | Hideki Kosugi, Takeo Tsukamoto | 2010-04-20 |
| 7664442 | Developing apparatus | Koichiro Takashima, Yuichiro Hirata, Tomonori Matsunaga | 2010-02-16 |
| 7286791 | Developing apparatus | Atsushi Numagami | 2007-10-23 |
| 7239832 | Developer regulation member and developing apparatus | Koichiro Takashima, Masato Koyanagi | 2007-07-03 |
| 7123849 | Image forming apparatus, image forming apparatus control method, cartridge, and storage medium | Masato Koyanagi, Koichiro Takashima | 2006-10-17 |
| 6983120 | Cleaning blade, cleaning device, process cartridge, and image forming apparatus using them | Masato Koyanagi | 2006-01-03 |
| 6961527 | Method of detecting life of image bearing member, image forming apparatus and cartridge | Minoru Matsuguma | 2005-11-01 |
| 6952551 | Developer carrying member and developing apparatus | Masato Koyanagi | 2005-10-04 |