Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7250240 | Toner, developer, container containing toner, process, cartridge, image forming apparatus and process | Hachiroh Tosaka, Yuji Natori | 2007-07-31 |
| 7090955 | Black toner, image forming method and image forming apparatus using the toner | Hachiro Tosaka, Yuji Natori | 2006-08-15 |
| 6969574 | Black toner, image forming method and image forming apparatus using the toner | Hachiro Tosaka, Yuji Natori | 2005-11-29 |
| 6838221 | Continuous crushing method and apparatus | Hidehiro Mochizuki | 2005-01-04 |
| 6821699 | Toner, image forming method and apparatus using the toner, and container containing the toner | Tomio Kondou, Hachiro Tosaka, Hitoshi Ueda | 2004-11-23 |