Issued Patents 2020
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D874563 | Image drum cartridge | Masayuki Suzuki, Junichi Ito, Hisatoshi Saito | 2020-02-04 |
| D874564 | Toner cartridge | Hisatoshi Saito, Masayuki Suzuki, Junichi Ito | 2020-02-04 |
| D874565 | Toner cartridge | Hisatoshi Saito, Masayuki Suzuki, Junichi Ito | 2020-02-04 |