Inventor
ROO KYUNG-YUN
KR4 patents
⚠️ This page may combine multiple inventors who share the name “ROO KYUNG-YUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SAMSUNG ELECTRONICS CO LTD
3 patentsUS6714799B1Mar 30, 2004
Method and system for using SIM card in CDMA service area
SAMSUNG ELECTRONICS CO LTD93 citations95
US6397088B1May 28, 2002
Location search auxiliary system for cellular radio telephone and method for using same
SAMSUNG ELECTRONICS CO LTD33 citations89
US6801765B1Oct 5, 2004
Locking and unlocking method in mobile telephone
SAMSUNG ELECTRONICS CO LTD39 citations85