Inventor · disambiguated record
Kwang-Hwan Cha
Also filed as: CHA KWANG-HWAN
4 granted patents·1 pending application·173 citations·filing 2003–2013
74Inventor score
Files withSAMSUNG ELECTRONICS CO LTD5
Top patents by PatentIndex Score
5 records- 0194US6976799B2Keyboard of a personal digital assistantSAMSUNG ELECTRONICS CO LTD·Filed 2003·Granted Dec 20, 2005·166 cites·9 claims
- 0251US7609214B2Antenna assembly for portable terminalSAMSUNG ELECTRONICS CO LTD·Filed 2007·Granted Oct 27, 2009·2 cites·14 claims
- 0347US9397716B2Input device with wireless headset function for portable terminalSAMSUNG ELECTRONICS CO LTD·Filed 2013·Granted Jul 19, 2016·0 cites·22 claims
- 0445US7199756B2Planar antenna for wireless communication device and portable computer using the sameSAMSUNG ELECTRONICS CO LTD·Filed 2003·Granted Apr 3, 2007·5 cites·16 claims
- 0535US2006164323A1Detachable antenna device for portable terminalSAMSUNG ELECTRONICS CO LTD·Filed 2005·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →