Inventor
YU CHANG-SOO
KR7 patents
⚠️ This page may combine multiple inventors who share the name “YU CHANG-SOO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
INKTEC CO LTD
3 patentsUS7997708B2Aug 16, 2011
Ink-cartridge for printers and ink refilling method
INKTEC CO LTD5 citations59
US7686436B2Mar 30, 2010
Ink recharging system for ink cartridge, bulk ink cartridge used in said system, and ink recharging method using them
INKTEC CO LTD3 citations56
US7661804B2Feb 16, 2010
Ink recharge system and ink recharge method for ink cartridge
INKTEC CO LTD0 citations47