Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11181844 | Toner and method of producing toner | Tomoya Nagaoka, Daisuke Yoshiba, Kazuyuki Sato, Tomohisa Sano, Takashi Matsui | 2021-11-23 |
| 11099493 | Toner | Daisuke Yoshiba, Tomoya Nagaoka, Kazuyuki Sato, Tomohisa Sano | 2021-08-24 |