Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11188009 | Developer supply container and developer supplying system | Katsuya Murakami, Toshiaki Nagashima, Ayatomo Okino, Yusuke Yamada | 2021-11-30 |
| 11137714 | Developer supply container and developer supplying system | Manabu Jimba, Ayatomo Okino, Katsuya Murakami, Toshiaki Nagashima | 2021-10-05 |
| 10983458 | Developer supply container, developer supplying system and image forming apparatus | Ayatomo Okino, Toshiaki Nagashima, Katsuya Murakami, Yusuke Yamada | 2021-04-20 |
| 10948849 | Developer supply container | Ayatomo Okino, Toshiaki Nagashima, Katsuya Murakami, Yusuke Yamada | 2021-03-16 |