Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10871731 | Developing unit having guide that stably supports toner cartridge | Masahiko Hayakawa, Shougo Sato | 2020-12-22 |
| 10827769 | Anthocyanin dye preparation | Mayu Suzuki, Minoru Iniwa, Koji Nishiyama | 2020-11-10 |
| 10761457 | Developing unit having guide that stably supports toner cartridge | Masahiko Hayakawa, Shougo Sato | 2020-09-01 |
| 10599068 | Developing unit having guide that stably supports toner cartridge | Masahiko Hayakawa, Shougo Sato | 2020-03-24 |