Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11150598 | Developer supply container and developer supplying system | Manabu Jimba, Akihito Kamura, Katsuya Murakami | 2021-10-19 |
| 10884371 | Developer supply container and developer supplying system | Ayatomo Okino, Nobuyuki Yomoda, Masato Yamaoka, Akihito Kamura, Koji Katayama +4 more | 2021-01-05 |