Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7374848 | Toner and method or preparing the toner | Sonoh Matsuoka, Masahiro Ohki, Takeshi Takada, Chiaki Tanaka, Naohiro Watanabe +1 more | 2008-05-20 |
| 7348117 | Toner, method for manufacturing the toner, developer including the toner, toner container containing the toner, and image forming method, image forming apparatus and process cartridge using the toner | Naohiro Watanabe, Masahide Yamada, Sonoh Matsuoka, Chiaki Tanaka, Takeshi Takada +2 more | 2008-03-25 |
| 7348121 | Toner, method for manufacturing the toner, developer including the toner, toner container containing the toner, and image forming method, image forming apparatus and process cartridge using the toner | Naohiro Watanabe, Masahide Yamada, Sonoh Matsuoka, Chiaki Tanaka, Takeshi Takada +2 more | 2008-03-25 |
| 7208256 | Toner for image formation, method of producing the toner, toner container, toner cartridge, process cartridge, and image forming apparatus | Chiaki Tanaka, Naohiro Watanabe, Takeshi Takada | 2007-04-24 |