Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8076051 | Method for preparing resin and particulate material, toner prepared by the method, developer including the toner, toner container, and process cartridge, image forming method and apparatus using the developer | Takuya Saito, Chiaki Tanaka, Masayuki Ishii, Naohiro Watanabe | 2011-12-13 |
| 7575842 | Toner and, developer, toner-containing container, process cartridge, image forming apparatus and image forming method | Masayuki Ishii, Chiaki Tanaka, Naohiro Watanabe, Takuya Saito | 2009-08-18 |
| 7396627 | Method of preparing a toner, developer including the toner, container containing the toner, and image forming method and process cartridge using the toner | Naohiro Watanabe, Chiaki Tanaka, Masayuki Ishii, Takuya Saito | 2008-07-08 |
| 7354690 | Toner and method for producing the same, and, developer, toner-containing container, process cartridge, image forming apparatus and image forming method | Masayuki Ishii, Chiaki Tanaka, Nahiro Watanabe, Takuya Saito | 2008-04-08 |