Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7070896 | Toner and process for producing toner | Rieko Takahara | 2006-07-04 |
| 6562535 | Toner for development of electrostatic image | Kojiro Masuo, Shuichi YOKOYAMA, Kazu Niwa | 2003-05-13 |
| 6365313 | Toner for development of electrostatic image and production process thereof | Kojiro Masuo | 2002-04-02 |
| 5294233 | Additive for organic medium or thermoplastic polymer | Shizuo Kitahara, Hiroyuki Watanabe, Tetuya Toyoshima, Takafumi Kawanaka, Kohkichi Noguchi | 1994-03-15 |