Inventor
HONG JINHWA
KR10 patents
⚠️ This page may combine multiple inventors who share the name “HONG JINHWA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HEWLETT PACKARD DEVELOPMENT CO
7 patentsUS11364725B2Jun 21, 2022
Authentication mechanisms
HEWLETT PACKARD DEVELOPMENT CO2 citations68
US11281125B2Mar 22, 2022
Toner refill cartridge with structure for preventing toner discharging part from being blocked by weight part
HEWLETT PACKARD DEVELOPMENT CO0 citations61
USD907698SJan 12, 2021
Development cartridge for a printer
HEWLETT PACKARD DEVELOPMENT CO0 citations60
US11366407B2Jun 21, 2022
Structure to refill toner to development cartridge mounted in main body
HEWLETT PACKARD DEVELOPMENT CO1 citations59
US11067917B2Jul 20, 2021
Detecting completion of injection of toner of toner refill cartridge
HEWLETT PACKARD DEVELOPMENT CO0 citations57
US11953845B2Apr 9, 2024
Structure for driving toner inlet shutter of developing cartridge by using motor
HEWLETT PACKARD DEVELOPMENT CO0 citations56
US12271120B2Apr 8, 2025
Toner refill cartridge having pump for automatic toner refilling
HEWLETT PACKARD DEVELOPMENT CO0 citations48