Issued Patents All Time
Showing 51–56 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6852459 | Color toner, method for manufacturing the toner, and image forming apparatus and method using the toner | Kohki Katoh, Masanori Suzuki, Yohichiro Watanabe, Masahide Yamashita, Akihiro Kotsugai +1 more | 2005-02-08 |
| 6830859 | Charge control agent and toner using same | Keiko Shiraishi, Masanori Suzuki, Yohichiroh Watanabe, Takuya Saito, Tatsuhiko Osaki +2 more | 2004-12-14 |
| 6821698 | Toner for developing electrostatic latent image, toner cartridge, image forming method, process cartridge and image forming apparatus | Masanori Suzuki, Yohichiroh Watanabe, Keiko Shiraishi, Takuya Saito | 2004-11-23 |
| 6716561 | Toner for developing electrostatic latent image and image forming method using same | Keiko Shiraishi, Masanori Suzuki, Yohichiroh Watanabe, Masahide Yamashita, Akihiro Kotsugai +1 more | 2004-04-06 |
| 6653037 | Toner for developing latent electrostatic images, and image forming method and device | Masanori Suzuki, Kohki Katoh, Yohichiroh Watanabe, Masahide Yamashita, Akihiro Kotsugai +1 more | 2003-11-25 |
| 6566026 | Toner for developing electrostatic latent image, toner container containing the toner, and image forming method and apparatus using the toner | Yohichiroh Watanabe, Masanori Suzuki, Masahide Yamashita, Keiko Shiraishi, Kazuhito Watanabe +2 more | 2003-05-20 |