Issued Patents 2020
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10606208 | Developer container, image formation unit, and image formation apparatus | Tetsu Koyama, Masashi Fujii, Shun Hatanaka | 2020-03-31 |
| D874563 | Image drum cartridge | Masayuki Suzuki, Mitsuhiro Kawata, Junichi Ito | 2020-02-04 |
| D874564 | Toner cartridge | Masayuki Suzuki, Mitsuhiro Kawata, Junichi Ito | 2020-02-04 |
| D874565 | Toner cartridge | Masayuki Suzuki, Mitsuhiro Kawata, Junichi Ito | 2020-02-04 |