Issued Patents All Time
Showing 26–50 of 67 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8391755 | Developing device, process cartridge, and image forming apparatus | Yoshinori Nakagawa, Yasuyuki Ishii, Hideki Kosugi, Masaaki Yamada, Ichiro Kadota | 2013-03-05 |
| 8385793 | Image forming apparatus preventing gaps between a conveyor belt and transfer sheet | Masaharu Furuya, Masahiko Satoh, Masanori Kawasumi, Hirokatsu Suzuki, Hirohmi Tamura +6 more | 2013-02-26 |
| 8376494 | Image forming device and image forming apparatus | Tetsuro Hirota, Masanori Horike, Shin Kayahara, Osamu Endou | 2013-02-19 |
| 8355657 | Development unit, for image forming apparatus | Ichiro Kadota, Yasuyuki Ishii, Masaaki Yamada, Hideki Kosugi, Yoshinori Nakagawa | 2013-01-15 |
| 8320799 | Recycling image forming apparatus | Ryuji Yoshida, Mikio Ishibashi, Nobuyuki Koinuma, Hideki Zenba, Naoyuki Ozaki +4 more | 2012-11-27 |
| 8277687 | Phosphor and light-emitting device using same | Nobuhiro Kodama, Yasuo Shimomura, Naoto Kijima, Tomoyuki Kurushima, Takashi Hase +4 more | 2012-10-02 |
| 8259142 | Image forming apparatus with developer passage amount control electrodes | Tetsuro Hirota, Masanori Horike, Nobuaki Kondoh, Osamu Endou, Shin Kayahara | 2012-09-04 |
| 8259141 | Image forming device based on direct recording method and image forming apparatus including the same | Masanori Saitoh, Osamu Endou, Masanori Horike, Nobuaki Kondoh | 2012-09-04 |
| 8204415 | Developing unit, processing unit, and image forming apparatus | Yoshinori Nakagawa, Yasuyuki Ishii, Hideki Kosugi, Masaaki Yamada, Masanori Saitoh | 2012-06-19 |
| 8167410 | Image forming apparatus | Masanori Horike, Fuyuhiko Matsumoto, Masanori Saitoh, Nobuaki Kondoh, Shin Kayahara +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, Masaaki Yamada, Hideki Kosugi, Yoshinori Nakagawa +2 more | 2012-04-24 |
| 8158313 | Image forming apparatus for forming a color image, and image forming method for forming a color image | Takeo Tsukamoto, Katsuo Sakai | 2012-04-17 |
| 8073350 | Developing apparatus, image forming apparatus, and process cartridge | Yasuyuki Ishii, Hideki Kosugi, Masaaki Yamada, Ichiro Kadota, Yoshinori Nakagawa | 2011-12-06 |
| 8041267 | Developing device, process cartridge, and image forming apparatus | Yoshinori Nakagawa, Yasuyuki Ishii, Masaaki Yamada, Hideki Kosugi, Ichiro Kadota | 2011-10-18 |
| 8041268 | Developing device, process cartridge, and image forming apparatus | Yasuyuki Ishii, Yoshinori Nakagawa, Masaaki Yamada, Ichiroh Kadota, Hideki Kosugi | 2011-10-18 |
| 8005409 | Development device | Yasuyuki Ishii, Hideki Kosugi, Yoshinori Nakagawa, Masaaki Yamada, Ichiro Kadota | 2011-08-23 |
| 7920812 | Development device and image forming apparatus that uses this device | Hideki Kosugi, Yasuyuki Ishii, 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 | Yasuyuki Ishii, 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, Masaaki Yamada, Hideki Kosugi +3 more | 2011-03-15 |
| 7817174 | Direct image-recording device and image forming apparatus equipped therewith | Masanori Saitoh, Shin Kayahara, Masanori Horike, Osamu Endo, Nobuaki Kondoh | 2010-10-19 |
| 7796294 | Image forming apparatus capable of a color image, and image forming method for forming a color image | Katsuo Sakai, Youichiroh Miyaguchi | 2010-09-14 |
| 7783235 | Hopping toner development apparatus and image formation apparatus | Takeo Tsukamoto, Nobuaki Kondoh, Masanori Horike, Masaaki Yamada, Hideki Kosugi +3 more | 2010-08-24 |
| 7734233 | Development device, process cartridge, and image forming apparatus | Katsuhiro Aoki, Hideki Zemba, Nobuaki Kondoh, Masanori Horike, Masaaki Yamada +5 more | 2010-06-08 |
| 7672604 | Image forming apparatus and image forming method using electrostatic transport and hopping | Masanori Horike, Katsuo Sakai, Yohichiroh Miyaguchi, Nobuaki Kondoh | 2010-03-02 |
| 7672625 | Developing device using electrostatic transport and hopping (ETH) | Katsuhiro Aoki, Hideki Zemba | 2010-03-02 |