HC

Hang-Seok Choi

FS Fairchild Korea Semiconductor: 31 patents #1 of 311Top 1%
ON onsemi: 8 patents #197 of 1,901Top 15%
Samsung: 6 patents #19,812 of 75,807Top 30%
FS Fairchild Semiconductor: 1 patents #419 of 715Top 60%
KM Korea Institute Of Machinery & Materials: 1 patents #283 of 729Top 40%
SG System General: 1 patents #74 of 105Top 75%
📍 Seongnam-si, NH: #1 of 1 inventorsTop 100%
Overall (All Time): #51,412 of 4,157,543Top 2%
51
Patents All Time

Issued Patents All Time

Showing 26–50 of 51 patents

Patent #TitleCo-InventorsDate
8670252 Switch controller, switch control method, converter using the same, and driving method thereof Jin Tae Kim, Gwan-Bon Koo 2014-03-11
8654546 Method and apparatus for controlling resonant power converter Tien-Chi Lin, Ta-Yung Yang 2014-02-18
8242755 Switch control device and converter including the same Young Bae Park, Ki Tae Kim 2012-08-14
8242758 Converter and driving method thereof Gwan-Bon Koo, Young Bae Park 2012-08-14
8169800 Power converter, switching control device thereof, and driving method thereof Sang Cheol Moon, Young Bae Park 2012-05-01
8169802 Switch controller of a converter with a soft start signal generator comprising a plurality of current sources Jin Tae Kim, Gwan-Bon Koo 2012-05-01
8139381 Power converter, and switching controller and driving method thereof Sang Cheol Moon, Young Bae Park 2012-03-20
8115466 Converter and driving method thereof Young Bae Park, Jae-Hwoan Chi, Gwan-Bon Koo 2012-02-14
8111102 Auto gain controllers, and communication terminals having the same In Hyuk KIM, Chol Su Yoon 2012-02-07
8089784 Synchronous rectifier 2012-01-03
8085558 Resonant converter 2011-12-27
8036001 Resonant converter with variable frequency controlled by phase comparison 2011-10-11
8000119 Switching mode power supply and method of operation Gwan-Bon Koo, Jae-Hwoan Chi 2011-08-16
7957162 Switch mode power supply and driving method thereof Jae-Hwoan Chi 2011-06-07
7889518 Half-bridge power converter system and method of operation Han Suk SEO 2011-02-15
7881083 Switch control device, switch control method, and converter using the same Jin Tae Kim, Gwan-Bon Koo 2011-02-01
7880453 Interleaved switching converter, and switching controller and controlling method thereof Gwan-Bon Koo, Young Bae Park 2011-02-01
7848124 Overload and short protected soft-start converter Young Bae Park, Gwan-Bon Koo, Jin Tae Kim 2010-12-07
7813151 Variable-mode converter control circuit and half-bridge converter having the same 2010-10-12
7791909 Quasi-resonant converter and controlling method thereof Gwan-Bon Koo, Jae-Hwoan Chi 2010-09-07
7773393 Switching mode power supply 2010-08-10
7768802 Switching mode power supply and method of operation J. H. Lee, Gwan-Bon Koo 2010-08-03
7710746 Switching mode power supply and driving method thereof Young Bae Park, Gwan-Bon Koo 2010-05-04
7684215 Switching mode power supply and driving method thereof Young Bae Park 2010-03-23
7684216 Quasi resonant switching mode power supply Jin Tae Kim, Jae-Hwoan Chi 2010-03-23