Inventor
LEE SEUNG GWEON
KR30 patents
⚠️ This page may combine multiple inventors who share the name “LEE SEUNG GWEON”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SAMSUNG ELECTRONICS CO LTD
11 patentsUSD728014SApr 28, 2015
Cartridge for printer
SAMSUNG ELECTRONICS CO LTD5 citations83
USD624583SSep 28, 2010
Developing device for a color printer
SAMSUNG ELECTRONICS CO LTD6 citations73
US9746801B2Aug 29, 2017
Cartridges and electrophotographic image forming apparatus using the same
SAMSUNG ELECTRONICS CO LTD4 citations72
US9778617B2Oct 3, 2017
Process cartridge having fixed and moveable electric contacts and electro-photographic image forming apparatus using the process cartridge
SAMSUNG ELECTRONICS CO LTD0 citations52
US9778595B2Oct 3, 2017
Cartridge unit and electrophotographic image forming apparatus including the same
SAMSUNG ELECTRONICS CO LTD0 citations52
US9417560B2Aug 16, 2016
Cartridge unit and electrophotographic image forming apparatus including the same
SAMSUNG ELECTRONICS CO LTD0 citations52
US9256198B2Feb 9, 2016
Electrophotographic image forming apparatus and development cartridge
SAMSUNG ELECTRONICS CO LTD1 citations52
USD774592SDec 20, 2016
Cartridge for printer
SAMSUNG ELECTRONICS CO LTD0 citations51
US9658571B2May 23, 2017
Developing device and image forming apparatus including the same
SAMSUNG ELECTRONICS CO LTD0 citations41
US9182739B2Nov 10, 2015
Electrophotographic image forming apparatus
SAMSUNG ELECTRONICS CO LTD0 citations41
US9104169B2Aug 11, 2015
Electrophotographic image forming apparatus
SAMSUNG ELECTRONICS CO LTD0 citations41
HEWLETT PACKARD DEVELOPMENT CO
7 patentsUS11281125B2Mar 22, 2022
Toner refill cartridge with structure for preventing toner discharging part from being blocked by weight part
HEWLETT PACKARD DEVELOPMENT CO0 citations61
US11126113B2Sep 21, 2021
Structure for releasing internal pressure in development cartridge when refilling toner
HEWLETT PACKARD DEVELOPMENT CO1 citations61
US11112750B2Sep 7, 2021
Development cartridge having a switch member to rotate developing unit to a development position
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
US11036164B2Jun 15, 2021
Toner cartridge for refilling toner by using elastic force
HEWLETT PACKARD DEVELOPMENT CO0 citations51
US11231662B2Jan 25, 2022
Shutter structure for toner refill cartridge
HEWLETT PACKARD DEVELOPMENT CO0 citations50