Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7672604 | Image forming apparatus and image forming method using electrostatic transport and hopping | Tomoko Takahashi, Masanori Horike, Katsuo Sakai, Nobuaki Kondoh | 2010-03-02 |
| 7526238 | Developing device, process cartridge and image forming apparatus moving toner particles by a phase-shifting electric field | Masaaki Yamada, Masanori Horike, Nobuaki Kondoh, Yoshinori Nakagawa | 2009-04-28 |
| 7308222 | Toner supplying system for an image forming apparatus | Yoshinori Nakagawa, Masanori Horike, Nobuaki Kondoh, Katsuo Sakai | 2007-12-11 |
| 7236720 | Image forming apparatus and process cartridge | Yasushi Nakazato, Masanori Horike, Nobuaki Kondoh, Katsuo Sakai | 2007-06-26 |
| 6597884 | Image forming apparatus including electrostatic conveyance of charged toner | Takeshi Takemoto, Hiroyuki Okamoto, Chikara Imai, Katsuo Sakai, Nobuaki Kondou +2 more | 2003-07-22 |