YC

Young Il Chang

LG: 8 patents #5,418 of 26,165Top 25%
DC Doowon Electronics Co.: 1 patents #11 of 29Top 40%
DC Doowon Technical College: 1 patents #11 of 29Top 40%
Overall (All Time): #416,862 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
D854775 Elevation apparatus for lift table Myung Chun Lee, Ju Sik Gong 2019-07-23
10006289 Reactive turbine apparatus Ki Tae Kim, Jung-Hoon Kim 2018-06-26
9617855 Reaction-type turbine Ki Tae Kim, Yong Sik Hah, Jung-Hoon Kim 2017-04-11
9022061 Displacement control valve for variable displacement compressor Hak Soo Kim, Yong Ju Lee, Ki Jung An, Geon Ho Lee 2015-05-05
7614263 Drum washing machine having foldable door Dong Won Kim 2009-11-10
6896493 Scroll compressor Yang-Hee Cho, Myung-Kyun Kim, Yoo Chol Ji 2005-05-24
6748971 Discharge valve assembly of fluid machinery In Hwe Koo 2004-06-15
6527526 Scroll compressor having wraps of varying thickness Yang-Hee Cho 2003-03-04
6499978 Scroll compressor having different wrap thicknesses Yang-Hee Cho, Byeong-Chul Lee 2002-12-31
6478556 Asymmetric scroll compressor Se-Heon Choi, Byeong-Chul Lee, Yang-Hee Cho 2002-11-12
6299417 Back pressure structure of intermediate pressure of scroll compressor Dong Ku Shin 2001-10-09
6287099 Scroll compressor Dong-Koo Shin 2001-09-11