Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8658339 | Negative charge controlling agent and static charge image developing toner using the same, and method for producing the same | Takayuki Ishimoto, Shinji Yatabe | 2014-02-25 |
| 6627681 | Method of decreasing unreacted monomer in vinyl polymer and a toner resin in which unreacted monomer has been decreased | Hikoji Ueda, Masamitsu Mogi, Masao Watanabe | 2003-09-30 |
| 5317060 | Process for producing composite resin for toner | Hikoji Ueda, Kozo Suzuki, Yoshihiko Koshiyama | 1994-05-31 |