Inventor · disambiguated record
Changhak O
Also filed as: O CHANGHAK
11 granted patents·3 pending applications·4 citations·filing 2019–2025
79Inventor score
Files withSAMSUNG ELECTRONICS CO LTD14
Top patents by PatentIndex Score
14 records- 0181US10673285B2Electronic device and method for controlling wireless transmit power by detecting foreign objectSAMSUNG ELECTRONICS CO LTD·Filed 2019·Granted Jun 2, 2020·3 cites·19 claims
- 0277US11128169B2Electronic device including a plurality of wireless charge coils and operating method thereofSAMSUNG ELECTRONICS CO LTD·Filed 2019·Granted Sep 21, 2021·1 cites·20 claims
- 0365US2025183727A1Electronic device and method supporting wireless charging using parallel switching structureSAMSUNG ELECTRONICS CO LTD·Filed 2025·Application pending·0 cites
- 0460US2025007313A1Electronic device for wirelessly receiving power and method of operating the sameSAMSUNG ELECTRONICS CO LTD·Filed 2024·Application pending·0 cites
- 0559US12334753B2Method of detecting foreign object and electronic deviceSAMSUNG ELECTRONICS CO LTD·Filed 2022·Granted Jun 17, 2025·0 cites·20 claims
- 0656US12483059B2Electronic device for battery charging based on internal temperatureSAMSUNG ELECTRONICS CO LTD·Filed 2022·Granted Nov 25, 2025·0 cites·20 claims
- 0756US11831169B2Wireless power transmission device and operating method thereforSAMSUNG ELECTRONICS CO LTD·Filed 2020·Granted Nov 28, 2023·0 cites·20 claims
- 0856US11456625B2Power transmission device and method for detecting metal substanceSAMSUNG ELECTRONICS CO LTD·Filed 2020·Granted Sep 27, 2022·0 cites·20 claims
- 0954US11159040B2Electronic device and power control method for wireless chargingSAMSUNG ELECTRONICS CO LTD·Filed 2019·Granted Oct 26, 2021·0 cites·19 claims
- 1053US12015282B2Wireless power transmitting device for wirelessly transmitting power, wireless power receiving device for wirelessly receiving power, and operation method thereofSAMSUNG ELECTRONICS CO LTD·Filed 2022·Granted Jun 18, 2024·0 cites·20 claims
- 1152US11177666B2Stacked coil structure and electronic device including the sameSAMSUNG ELECTRONICS CO LTD·Filed 2019·Granted Nov 16, 2021·0 cites·20 claims
- 1251US12015335B2Electronic device and multi-wireless transmission power control method based on states of plurality of external electronic devicesSAMSUNG ELECTRONICS CO LTD·Filed 2019·Granted Jun 18, 2024·0 cites·9 claims
- 1351US11476710B2Method for controlling wireless transmission power and electronic device including sameSAMSUNG ELECTRONICS CO LTD·Filed 2020·Granted Oct 18, 2022·0 cites·20 claims
- 1450US2023104202A1Power reception device and method for controlling charging of power reception deviceSAMSUNG ELECTRONICS CO LTD·Filed 2022·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →