CH

Chang Woo Ha

Samsung: 16 patents #8,525 of 75,807Top 15%
DC Dongbu Hitek Co.: 3 patents #80 of 402Top 20%
HC Hyundai Autron Co.: 3 patents #35 of 181Top 20%
HM Hyundai Motor: 2 patents #4,348 of 11,886Top 40%
KI Kia: 1 patents #2,072 of 4,539Top 50%
KM Kia Motors: 1 patents #3,666 of 7,429Top 50%
📍 Seoul, KR: #2,711 of 39,741 inventorsTop 7%
Overall (All Time): #204,340 of 4,157,543Top 5%
21
Patents All Time

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
12015284 Low frequency sensor based apparatus and method for measuring vehicle position Jae Yong Seong, Ki Won Ko, Bong-Ju Kim 2024-06-18
11611246 Low frequency sensor based apparatus and method for measuring vehicle position Jae Yong Seong, Ki Won Ko, Bong-Ju Kim 2023-03-21
10459316 Camera apparatus for vehicle Jun-Muk Lee, Ho Joon Kim, Byung-Jik Keum 2019-10-29
8643587 Field sequential color mode liquid crystal display Byoung Own Min, Jeong In Cheon, Yu Jin Jang 2014-02-04
8207877 Serial interface, apparatus including the same, and method of using the same Sung-Hoon Bea, Sang-Heum Yeon 2012-06-26
8102193 Current sensing circuit Jung-Ah Jang 2012-01-24
8054123 Fast differential level shifter and boot strap driver including the same Seung Hun Hong 2011-11-08
8018177 Dimming buck type LED driving apparatus Bon Ahm Goo, Byoung Own Min, Young Jin Lee, Jeong In Cheon 2011-09-13
7800566 Drive device of color LED backlight Sang Cheol Shin, Byoung Own Min 2010-09-21
7746318 Liquid crystal display backlight inverter Sang Cheol Shin, Byoung Own Min, Jung Chul Gong 2010-06-29
7741893 Dual mode clock generator Jeong In Cheon, Byoung Own Min 2010-06-22
7737938 Driving circuit for LCD backlight Jung Chul Gong, Byoung Own Min, Sang Cheol Shin 2010-06-15
7646181 Control circuit of DC-DC converter Jeong In Cheon, Byoung Own Min, Deuk Hee Park 2010-01-12
7515004 Voltage controlled oscillator with duty correction Sang Cheol Shin, Byoung Own Min, Jung Chul Gong 2009-04-07
7471029 Frequency-control-type piezo actuator driving circuit and method of driving the same Jung Chul Gong, Sang Cheol Shin, Byoung Own Min 2008-12-30
7417471 Voltage comparator having hysteresis characteristics Jung Chul Gong, Byoung Own Min 2008-08-26
7285922 Driving apparatus for CCFL Jung Chul Gong, Sang Cheol Shin, Byoung Own Min 2007-10-23
7271520 Piezo actuator driving circuit Byoung Own Min 2007-09-18
7209001 Offset compensation circuit for a monitoring photodiode Kyoung Soo Kwon, Deuk Hee Park, Sang Cheol Shin 2007-04-24
7057423 Current-voltage transforming circuit employing limiter circuit Kyoung Soo Kwon, Deuk Hee Park, Joo Yul Ko 2006-06-06
6864724 Current to voltage conversion circuit for photo detector integrated circuit employing gain switching circuit Sang Suk Kim, Kyoung Soo Kwon, Jung Chul Gong 2005-03-08