Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7531279 | Toner manufacturing method, toner and developer | Naohiro Watanabe, Shigeru Emoto, Chiaki Tanaka, Masahide Yamada, Masahiro Ohki +1 more | 2009-05-12 |
| 7504188 | Toner and developer, toner container, process cartridge, image forming apparatus, and image forming method using the same | Masahide Yamada, Ryota Inoue, Naohiro Watanabe, Shigeru Emoto, Masahiro Ohki +9 more | 2009-03-17 |
| 7459255 | Toner and developer, toner container, process cartridge, image-forming apparatus, and image-forming method using the same | Chiaki Tanaka, Naohiro Watanabe, Masahiro Ohki, Masahide Yamada, Sonoh Matsuoka +2 more | 2008-12-02 |
| 7449273 | Toner containing unsaturated polyester in binder resin, method for preparing the toner, and developer including the toner | Masahiro Ohki, Naohiro Watanabe, Ryota Inoue, Sonoh Matsuoka, Masahide Yamada +1 more | 2008-11-11 |
| 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 | Ryohta Inoue, Naohiro Watanabe, Masahide Yamada, Sonoh Matsuoka, Chiaki Tanaka +2 more | 2008-03-25 |
| 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 | Ryohta Inoue, Naohiro Watanabe, Masahide Yamada, Sonoh Matsuoka, Chiaki Tanaka +2 more | 2008-03-25 |