Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12393157 | Rotational force transmission structure | Junhui Kim, Youngkwang Shin | 2025-08-19 |
| D1075907 | Toner cartridge | Youngkwang Shin, Yoshitaka Isogai | 2025-05-20 |
| 12001156 | Developing device with magnetic member having plurality of magnetic poles | Jungho Roh, Myeongdong Kim, Donguk Kim, Youngkwang Shin | 2024-06-04 |
| 11693333 | Toner cartridge having coupler cover movable interconnected with shutter | Jinhong Kim, Minwoo Kang, Jinsam Park | 2023-07-04 |
| 11353807 | Toner cartridge movable to detachment direction by reverse rotation of coupler | Youngchae Kim, Junhui Kim | 2022-06-07 |
| 11251708 | Inverting switching regulator using charge pump and operating method thereof | Jongbeom Baek | 2022-02-15 |