CR

Chung Wook Roh

Samsung: 28 patents #4,408 of 75,807Top 6%
HM Hyundai Motor: 1 patents #6,384 of 11,886Top 55%
KI Kia: 1 patents #2,072 of 4,539Top 50%
KA Korea Telecommunication Authority: 1 patents #116 of 420Top 30%
Overall (All Time): #123,312 of 4,157,543Top 3%
30
Patents All Time

Issued Patents All Time

Showing 1–25 of 30 patents

Patent #TitleCo-InventorsDate
12095069 Power net apparatus of the fuel cell and control method thereof Yong Hwi Lee, Young Woo Noh, Hee-Seong Jeong, Dong Woo Kwon, Gun Woo Park +1 more 2024-09-17
9844099 Induction heating apparatus Chang Sun Yun, KI-HYEON PARK, Sang-Eon Kim 2017-12-12
8810213 Power control method and apparatus for tracking maximum power point in a photovoltaic system Yong Woo Kim, Sang Keun Ji, Sung Soo Hong, Sang Kyoo Han 2014-08-19
8508144 Power supply and display device including the same Sang Kyoo Han, Sung Soo Hong, Mi Ran Baek, Hee Seung Kim, Jae Sun Won +4 more 2013-08-13
8446103 Lamp driver Sang Kyoo Han, Sung Soo Hong, Sang Gab Park, Young Seung Roh, Hyo Joong An +2 more 2013-05-21
8373354 Backlight unit driver Sang Kyoo Han, Sung Soo Hong, Sang Gab Park, Kyu-Min Park, Young Seung Roh +2 more 2013-02-12
8305058 Power supply having an improved maximum power point tracking function Jin Wook Kim, Sung Soo Hong, Sang Kyoo Han, Jong Sun Kim, Sang Hun Lee +3 more 2012-11-06
8274805 High voltage power supply Jin Wook Kim, Sug Chin Sakong, Sung Soo Hong, Sang Kyoo Han, Jong Sun Kim +3 more 2012-09-25
8120278 LED driving circuit Heung Gyoon Choi, Sung Soo Hong, Sang Kyoo Han, Sang Ho Cho, Sang Hyun Lee +3 more 2012-02-21
8107262 Variable switching frequency type power supply Jae Sun Won, Sung Soo Hong, Sang Kyoo Han, Jong Sun Kim, Dong Seong Oh +4 more 2012-01-31
7940032 Power supply having maximum power point tracking function Jin Wook Kim, Sung Soo Hong, Sang Kyoo Han, Jong Sun Kim, Jae Sun Won +3 more 2011-05-10
7915757 Multi-output DC/DC converter Jong Hae Kim, Sug Chin Sakong, Sung Soo Hong, Sang Kyoo Han, Jong Sun Kim +1 more 2011-03-29
7663322 Backlight driving system for liquid crystal display Jin Wook Kim, Dong Seong Oh, Jong Duck Kim, Sug Chin Sakong, Sung Soo Hong +5 more 2010-02-16
7616086 Integrated type transformer Gie Hyoun Kweon, Sug Chin Sakong, Sang Kyoo Han, Sung Soo Hong, Jong Rak Kim 2009-11-10
7612738 Plasma display device, apparatus for driving the same, and method of driving the same Hak-Cheol Yang, Joon-Yeon Kim, Jong-Ki Choi, Hyun-Gu Heo, Yong Jin JEONG +5 more 2009-11-03
7505289 Flyback DC/DC converter using clamp diode Don Sik Kim, Sug Chin Sakong, Sung Soo Hong, Sang Kyoo Han, Young Seung Roh +1 more 2009-03-17
7504779 Plasma display panel sustain driver having decreased flywheel current Sang Hoon Lee 2009-03-17
7327331 Apparatus for generating ramp reset waveform for display panel and design method therefor Jeong-il Kang, Young Sun Kim 2008-02-05
7209099 Apparatus and method of driving high-efficiency plasma display panel Sang Hoon Lee, Hye-Jeong Kim 2007-04-24
7158193 Image misconvergence correction apparatus for less switching noise influence Kyoung-geun Lee, Joon Hwan Lee 2007-01-02
6906471 Energy recovery apparatus and method for plasma display panel Sang Hoon Lee, Hye-Jeong Kim 2005-06-14
6888518 Device and method for efficiently driving plasma display panel Hye-Jeong Kim, Sang Hun Lee 2005-05-03
6853149 Apparatus and method for automatically adjusting reset ramp waveform of plasma display panel Sang Hoon Lee, Hye-Jeong Kim 2005-02-08
6853157 Image distortion compensating apparatus with low switching delay Kyoung-geun Lee, Joon Hwan Lee 2005-02-08
6803892 Apparatus and method for controlling automatic adjustment of power supply of display panel driving system Chang-wan Hong 2004-10-12