Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1082923 | Toner cartridge | Jeonghyun Lee, Yoshitaka Isogai | 2025-07-08 |
| 11487224 | Developing device with elastic film to block air input | Mitsuru Oikawa, Yoshihiko Ichikawa | 2022-11-01 |