Issued Patents 2011
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |