CA

Chi Hyung Ahn

Samsung: 37 patents #3,051 of 75,807Top 5%
KAIST: 4 patents #2,767 of 11,619Top 25%
KI Korea Railroad Research Institute: 1 patents #48 of 132Top 40%
Overall (All Time): #82,394 of 4,157,543Top 2%
39
Patents All Time

Issued Patents All Time

Showing 1–25 of 39 patents

Patent #TitleCo-InventorsDate
RE49564 Method and apparatus for wireless power transmission with harmonic noise cancellation Dong Zo Kim, Sang Wook Kwon, Ki Young Kim, Bong Chui Kim, Yun Kwon Park +4 more 2023-06-27
11309739 Wireless power transmission apparatus and wireless power transmission method Keum Su Song, Sang Wook Kwon, Ki Young Kim, Yun Kwon Park, Jae Hyun Park +1 more 2022-04-19
11011938 Magnetic field adjusting three-dimensional flexible resonator for wireless power transmission system Jae Hyun Park, Young Ho Ryu, Sang Wook Kwon, Ki Young Kim, Yun Kwon Park +1 more 2021-05-18
10594161 Magnetic field adjusting three-dimensional flexible resonator for wireless power transmission system Jae Hyun Park, Young Ho Ryu, Sang Wook Kwon, Ki Young Kim, Yun Kwon Park +1 more 2020-03-17
10432028 Wireless power transmission system and wireless power relay apparatus Sang Wook Kwon, Ki Young Kim, Nam Yun Kim, Dong Zo Kim, Bong Chul Kim +5 more 2019-10-01
10340742 Method and apparatus for controlling wireless power transmission Bong Chul Kim, Sang Wook Kwon, Ki Young Kim, Nam Yun Kim, Gun Woo Moon +2 more 2019-07-02
10312735 Method and apparatus for wireless power transmission with harmonic noise cancellation Dong Zo Kim, Sang Wook Kwon, Ki Young Kim, Bong Chul Kim, Yun Kwon Park +4 more 2019-06-04
10298062 Wireless power transmission apparatus and wireless power transmission method Keum Su Song, Sang Wook Kwon, Ki Young Kim, Yun Kwon Park, Jae Hyun Park +1 more 2019-05-21
10290418 Apparatus and method for resonance in wireless power transmission system Young Ho Ryu, Sang Wook Kwon, Ki Young Kim, Nam Yun Kim, Dong Zo Kim +4 more 2019-05-14
10224749 Method and apparatus for wireless power transmission for efficent power distribution Byoung Hee Lee, Sang Wook Kwon, Ki Young Kim, Dong Zo Kim, Bong Chul Kim +4 more 2019-03-05
10218205 Wireless power transmission/reception device Jae Hyun Park, Young Ho Ryu, Kyu-Sub Kwak, Sang Wook Kwon, Do-Won Kim +2 more 2019-02-26
10211683 Method and apparatus for authentication in wireless power transmission system Nam Yun Kim, Sang Wook Kwon, Dong Zo Kim, Bong Chul Kim, Yun Kwon Park +1 more 2019-02-19
10205353 Apparatus and method for charging control in wireless charging system Dong Zo Kim, Sang Wook Kwon, Ki Young Kim, Nam Yun Kim, Young Jin Moon +6 more 2019-02-12
10084565 Apparatus and method for protecting communication device of railroad car Jung Tai Kim, Jae Hee Kim, Seh Chan Oh, Kyeong Jun Ko, Sung Soo Park +2 more 2018-09-25
9984814 Wireless power transmitter, wireless power relay apparatus, and wireless power receiver Keum Su Song, Sang Wook Kwon, Ki Young Kim, Nam Yun Kim, Dong Zo Kim +5 more 2018-05-29
9985458 Method of power transmitting unit (PTU) for determining location of power receiving unit (PRU), and PTU employing the method Bong Chul Kim, Sang Wook Kwon, Ki Young Kim, Dong Zo Kim, Yun Kwon Park +4 more 2018-05-29
9882392 Method of controlling impedance matching with respect to multiple targets in wireless power transmission system, and wireless power transmission system adopting the method Nam Yun Kim, Sang Wook Kwon, Hyuk-Choon Kwon, Ki Young Kim, Dal Hoi Shim 2018-01-30
9837826 Resonating apparatus with increased isolation for stable wireless power transmission Jae Hyun Park, Dong Zo Kim, Young Ho Ryu, Sang Wook Kwon, Ki Young Kim +5 more 2017-12-05
9824816 Wireless power reception and transmission apparatus Keum Su Song, Sang Wook Kwon, Ki Young Kim, Dong Zo Kim, Bong Chul Kim +8 more 2017-11-21
9796281 Wireless power transmission method and apparatus for stably transmitting power to plurality of wireless power reception apparatuses Jae Hyun Park, Young Ho Ryu, Sang Wook Kwon, Ki Young Kim, Nam Yun Kim +5 more 2017-10-24
9793740 Apparatus and method for charge control in wireless charging system Dong Zo Kim, Sang Wook Kwon, Ki Young Kim, Nam Yun Kim, Young Jin Moon +6 more 2017-10-17
9729203 Resonator having increased isolation Jae Hyun Park, Dong Zo Kim, Sang Wook Kwon, Ki Young Kim, Nam Yun Kim +6 more 2017-08-08
9705364 Wireless power transmission system including relay resonator and wireless power transmission method Jae Hyun Park, Young Ho Ryu, Sang Wook Kwon, Ki Young Kim, Dong Zo Kim +7 more 2017-07-11
9685994 Antenna for wireless power transmission and near field communication Dong Zo Kim, Sang Wook Kwon, Ki Young Kim, Nam Yun Kim, Yun Kwon Park +6 more 2017-06-20
9685882 Apparatus and method for wireless power reception Dong Zo Kim, Sang Wook Kwon, Ki Young Kim, Nam Yun Kim, Bong Chul Kim +5 more 2017-06-20