CO

Chung Han Oh

HM Hyundai Motor: 15 patents #674 of 11,886Top 6%
KM Kia Motors: 10 patents #483 of 7,429Top 7%
BO Borgwarner: 1 patents #797 of 1,600Top 50%
DK Delphi Powertrain Systems Korea: 1 patents #7 of 11Top 65%
PE Pine Engineering: 1 patents #7 of 11Top 65%
Overall (All Time): #320,101 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
10174647 Oil drain structure of valve timing adjusting device for internal combustion engine Koun Young Jang, Sung Dae Kim, Sang Ho Lee, Jae Young Kang, Sung Hoon Baek +4 more 2019-01-08
9957850 Method of controlling lock pin of continuously variable valve timing system Min Su Park, Yun Seok Kim 2018-05-01
9909464 Intermediate phase adjustment apparatus of CVVT Yun Seok Kim, Jong Kuk Park 2018-03-06
9890667 CVVT apparatus for engine Min Su Park, Yun Seok Kim 2018-02-13
9874117 Apparatus for opening and closing channel Hyun Kyu Lim, Yun Seok Kim, Jong Kuk Park 2018-01-23
9863289 CVVT apparatus for engine Min Su Park, Yun Seok Kim 2018-01-09
9828891 CVVT system Min Su Park, Yun Seok Kim 2017-11-28
9810107 Intermediate phase adjustment apparatus of CVVT Yun Seok Kim, Jong Kuk Park 2017-11-07
9297284 Engine having variable valve timing device 2016-03-29
9151365 Hydraulic timing chain tensioner and timing chain system Dae Sung Kim, Kyoung Pyo Ha, Joong Soo Kim, Eui Chul Choi, Young Taek SUN +1 more 2015-10-06
8899196 Variable valve lift apparatus Byong Young Choi, Wootae Kim, Back Sik Kim, Ingee Suh, Dae Sung Kim +1 more 2014-12-02
8061312 Continuous variable valve lift apparatus 2011-11-22
7845326 Variable valve lift apparatus 2010-12-07
7237518 Oil filter for continuous variable valve timing apparatus in engine 2007-07-03
6863042 Lubrication system for the timing chains of an automotive V-type engine 2005-03-08