YH

Yoon Jei Hwang

LG: 55 patents #556 of 26,165Top 3%
📍 Seoul, KR: #738 of 39,741 inventorsTop 2%
Overall (All Time): #46,331 of 4,157,543Top 2%
55
Patents All Time

Issued Patents All Time

Showing 1–25 of 55 patents

Patent #TitleCo-InventorsDate
7600695 Cogeneration system and method for controlling the same Seung Tak Kang, Chang Min Choi, Won Jae Choi, Hyung Soo Lim 2009-10-13
7587894 Exhaust structure for engine Seung Tak Kang, Chang Min Choi, Won Jae Choi, Hyung Soo Lim 2009-09-15
7578137 Air-conditioning system with multiple indoor and outdoor units and control system therefor Ji-Young Jang, Chan Ho Song, Jeong Taek Park 2009-08-25
7555915 Air conditioner Cheol-Min Kim 2009-07-07
7555913 Method for controlling multiple compressors according to a matrix Cheol-Min Kim, Chang Min Choi, Yeong Seop Choe 2009-07-07
7513123 Unitary air conditioner and method of controlling variable operation thereof Won Hee Lee, Seung-Youp Hyun, Jeong Taek Park 2009-04-07
7513124 Unitary air conditioner Won Hee Lee, Seung-Youp Hyun, Jeong Taek Park 2009-04-07
7509817 Cooling cycle apparatus and method of controlling linear expansion valve of the same Cheol-Min Kim, Chang Min Choi, Seung Tak Kang, Hyung Soo Lim 2009-03-31
7481071 Cooling/heating apparatus using cogeneration system Chang Min Choi, Seung Tak Kang, Won Jae Choi, Hyung Soo Lim 2009-01-27
7466034 Cogeneration system Seung Tak Kang, Chang Min Choi, Won Jae Choi, Hyung Soo Lim 2008-12-16
7458227 Method of preventing rapid on/off of compressor in unitary air conditioner Won Hee Lee, Seung-Youp Hyun, Jeong Taek Park 2008-12-02
7305841 Cogeneration system Yun Ho Ryu, Eun Jun Cho, Cheol-Min Kim, Cheol Soo Ko 2007-12-11
7305840 Electricity generating and air conditioning system with dehumidifier Seung Tak Kang, Chang Min Choi, Won Jae Choi, Hyung Soo Lim 2007-12-11
7257964 Air conditioner Chan Ho Song, Ji-Young Jang, Jeong Taek Park 2007-08-21
7251948 Pressure equalizer of compressor of air conditioner Seung-Youp Hyun, Won Hee Lee, Jeong Taek Park, Chan Ho Song 2007-08-07
7243504 Cogeneration system Seung Tak Kang, Chang Min Choi, Won Jae Choi, Hyung Soo Lim 2007-07-17
7240503 Electricity generating and air conditioning system with dehumidifier Seung Tak Kang, Chang Min Choi, Won Jae Choi, Hyung Soo Lim 2007-07-10
7240502 Method for controlling operation of air-conditioner Eun Jun Cho, Yun Ho Ryu, Cheol-Min Kim, Chan Ho Song, Chang Min Choi +5 more 2007-07-10
7228709 Unitary air conditioning system Chan Ho Song, Won Hee Lee 2007-06-12
7174741 Air conditioner Won Hee Lee, Chan Ho Song 2007-02-13
7170191 Electricity generating and air conditioning system with water heater Seung Tak Kang, Chang Min Choi, Won Jae Choi, Hyung Soo Lim 2007-01-30
7165419 Apparatus for converting refrigerant pipe of air conditioner Chan Ho Song, Seung-Youp Hyun, Won Hee Lee, Jeong Taek Park 2007-01-23
7165416 Air conditioner Won Hee Lee, Chan Ho Song 2007-01-23
7165420 Apparatus for converting refrigerant pipe of air conditioner Chan Ho Song, Seung-Youp Hyun, Won Hee Lee, Jeong Taek Park 2007-01-23
7162889 Air conditioner Won Hee Lee, Chan Ho Song 2007-01-16