Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11156934 | Carrier for developing electrostatic charge image, electrostatic charge image developer, and image forming apparatus | Asafumi FUJITA, Teppei Yawada, Motoko Sakai | 2021-10-26 |
| 10935900 | Toner for developing electrostatic charge image, electrostatic charge image developer, and toner cartridge | Daisuke Ishizuka, Narumasa SATO, Yuka Kawamoto, Erina SAITO, Norimasa Ozora +1 more | 2021-03-02 |