Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9880479 | Toner, toner stored unit, image forming apparatus, and image forming method | Tsuyoshi Sugimoto, Akinori Saitoh, Shin Hasegawa, Suzuka Amemori, Kohsuke Nagata +1 more | 2018-01-30 |
| 7182861 | System for separating electrophotographic carrier compositions and recycling the compositions | Kunitoshi Sugiyama, Yoshihiko Itoh, Kunio Arai, Tadafumi Ajiri | 2007-02-27 |
| 6464797 | Method of separating electrophotographic carrier compositions and recycling the compositions | Kunitoshi Sugiyama, Yoshihiko Itoh, Kunio Arai, Tadafumi Ajiri | 2002-10-15 |