Assignee
KOREA TELECOM FREETEL CO LTD
KR·3 granted patents·186 citations·filing 1997–2001
Top patents by PatentIndex Score
3 records- 0183US6127973ASignal processing apparatus and method for reducing the effects of interference and noise in wireless communication systemsKOREA TELECOM FREETEL CO LTD·Filed 1997·Granted Oct 3, 2000·84 cites·106 claims
- 0279US6681111B2Roaming service system for GSM service subscriber in CDMA service area, and method for registering locations and transmitting and receiving signals and short messages using the systemKOREA TELECOM FREETEL CO LTD·Filed 2001·Granted Jan 20, 2004·47 cites·25 claims
- 0374US5999800ADesign technique of an array antenna, and telecommunication system and method utilizing the array antennaKOREA TELECOM FREETEL CO LTD·Filed 1997·Granted Dec 7, 1999·55 cites·44 claims
Join the waitlist — get patent alerts
Get an alert when KOREA TELECOM FREETEL CO LTD files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →