Inventor
YU JAEIL
KR5 patents
Patents
5 patentsUS11467528B2Oct 11, 2022
Universal coupler with coupler holder and driving coupler elastically combined with each other
HEWLETT PACKARD DEVELOPMENT CO2 citations70
US12085885B2Sep 10, 2024
Connection structure for coupling with toner cartridge
HEWLETT PACKARD DEVELOPMENT CO0 citations59
US12085886B2Sep 10, 2024
Connection structure for coupling with toner cartridge
HEWLETT PACKARD DEVELOPMENT CO0 citations59
US12422775B2Sep 23, 2025
Unlocking toner cartridge by click operation
HEWLETT PACKARD DEVELOPMENT CO0 citations54
US11378905B2Jul 5, 2022
Color registration by varying rotational speed of photosensitive drum
HEWLETT PACKARD DEVELOPMENT CO0 citations41