Inventor · disambiguated record
Hwajin Cha
Also filed as: CHA HWAJIN
13 granted patents·2 pending applications·9 citations·filing 2015–2025
84Inventor score
Files withSAMSUNG ELECTRONICS CO LTD15
Top patents by PatentIndex Score
15 records- 0178US10945184B2Method and apparatus for supporting handover in wireless communication systemSAMSUNG ELECTRONICS CO LTD·Filed 2017·Granted Mar 9, 2021·5 cites·15 claims
- 0278US2025251664A1Method and device for handling link failure in wireless communication systemSAMSUNG ELECTRONICS CO LTD·Filed 2025·Application pending·0 cites
- 0374US10827409B2Method and apparatus for improving mobility in wireless communication systemSAMSUNG ELECTRONICS CO LTD·Filed 2016·Granted Nov 3, 2020·2 cites·14 claims
- 0471US12328633B2Method and device for handling link failure in wireless communication systemSAMSUNG ELECTRONICS CO LTD·Filed 2022·Granted Jun 10, 2025·0 cites·8 claims
- 0567US10735942B2Method and apparatus for performing the trace corresponding to a terminal in wireless communication systemSAMSUNG ELECTRONICS CO LTD·Filed 2017·Granted Aug 4, 2020·1 cites·9 claims
- 0664US11197337B2Apparatus and method for managing state of terminal in wireless communication systemSAMSUNG ELECTRONICS CO LTD·Filed 2019·Granted Dec 7, 2021·1 cites·16 claims
- 0763US11343668B2Method and apparatus for performing the trace corresponding to a terminal in wireless communication systemSAMSUNG ELECTRONICS CO LTD·Filed 2020·Granted May 24, 2022·0 cites·14 claims
- 0861US11432212B2Method and apparatus for minimizing interruption time of data transfer on handover in wireless communication networkSAMSUNG ELECTRONICS CO LTD·Filed 2020·Granted Aug 30, 2022·0 cites·20 claims
- 0952US10764799B2Method and apparatus for minimizing interruption time of data transfer on handover in wireless communication networkSAMSUNG ELECTRONICS CO LTD·Filed 2017·Granted Sep 1, 2020·0 cites·12 claims
- 1048US10736012B2Method and device for providing circuit switching service in wireless communication systemSAMSUNG ELECTRONICS CO LTD·Filed 2017·Granted Aug 4, 2020·0 cites·15 claims
- 1148US10484963B2Method and apparatus for transmitting and receiving paging message in mobile communication systemSAMSUNG ELECTRONICS CO LTD·Filed 2016·Granted Nov 19, 2019·0 cites·14 claims
- 1243US11026134B2Method and apparatus for supporting handoverSAMSUNG ELECTRONICS CO LTD·Filed 2017·Granted Jun 1, 2021·0 cites·15 claims
- 1343US9973976B2Efficient session management method and apparatus guaranteeing terminal mobilitySAMSUNG ELECTRONICS CO LTD·Filed 2015·Granted May 15, 2018·0 cites·17 claims
- 1441US2020163144A1Method and apparatus for transmitting and receiving signals in wireless communication systemSAMSUNG ELECTRONICS CO LTD·Filed 2019·Application pending·0 cites
- 1533US10383169B2Base station and terminal connection management method of base stationSAMSUNG ELECTRONICS CO LTD·Filed 2015·Granted Aug 13, 2019·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →