Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11392083 | Image forming apparatus including drum cartridge having photosensitive drum and toner cartridge having developing roller | Shunji Yoshimoto, Naoya Kamimura, Masaki Ueji, Keita Hironaka, Hotaka Kakutani | 2022-07-19 |
| 11352501 | Anthocyanin-based pigment composition | Masahiko Ishida, Takayoshi Ohara, Nobuko Fukino, Tomohiro KAKIZAKI, Tomomichi Ohno +2 more | 2022-06-07 |
| 11221570 | Developing unit having guide that stably supports toner cartridge | Masahiko Hayakawa, Shougo Sato | 2022-01-11 |