CC

Chang Hak Choi

Samsung: 68 patents #1,032 of 75,807Top 2%
WC Wits Co.: 4 patents #20 of 99Top 25%
AC Amotech Co.: 2 patents #68 of 206Top 35%
Overall (All Time): #26,046 of 4,157,543Top 1%
74
Patents All Time

Issued Patents All Time

Showing 51–74 of 74 patents

Patent #TitleCo-InventorsDate
10692648 Magnetic field shielding structure and mobile device including the magnetic field structure Seung Hee OH, Doo Ho PARK, Tae Jun Choi, Sung Nam Cho, Jung Young Cho 2020-06-23
10692638 Magnetic sheet and electronic device Jung Young Cho, Tai Yon Cho, Sung Nam Cho, San Kyeong 2020-06-23
10658104 Magnetic sheet and wireless power charging apparatus including the same San Kyeong, Doo Ho PARK, Jung Young Cho 2020-05-19
10607776 Multilayer ceramic electronic component Kum Jin PARK, Jong Hoon Yoo, Doo Young Kim, Min Gi Sin, Chi Hwa Lee +2 more 2020-03-31
10580567 Coil component and method of manufacturing the same Yoon Hee Lee, Bon Seok Koo, Yeon Tae Kim, Jung Min Kim 2020-03-03
10580584 Multilayer ceramic capacitor Tae Hoon Kim, Byung Kun Kim, Byung Chul Jang, Jung Deok PARK 2020-03-03
10580576 Dielectric powder and multilayer ceramic electronic component using the same Jin Woo Kim, Kang Heon Hur, Seok Hyun Yoon, Seung Ho Lee 2020-03-03
10553949 Wireless communication antenna including magnetic body Sung Nam Cho, Jung Young Cho, Jae Hyuk Jang, Jeong Ki Ryoo, Soon Kwang Kwon 2020-02-04
10522285 Multilayer ceramic capacitor and board having the same Moon Soo Park, Jae Hun Choe, Dong-Hun Kim, Byung Chul Jang, Byung Kun Kim 2019-12-31
10475574 Multilayer ceramic capacitor and board having the same Moon Soo Park, Jae Hun Choe, Dong-Hun Kim, Byung Chul Jang, Byung Kun Kim 2019-11-12
10319527 Multilayer capacitor Jung Min Kim, Bon Seok Koo, Hae Sol Kang, Ji Hye HAN, Byung Woo Kang 2019-06-11
10269492 Multilayer ceramic electronic component and method of manufacturing the same Kum Jin PARK, Chi Hwa Lee, Min Gi Sin, Woo Sup Kim, Jong Hoon Yoo 2019-04-23
10236125 Dielectric ceramic composition, multilayer ceramic capacitor containing the same, and manufacturing method of multilayer ceramic capacitor Seok Hyun Yoon, Jung Deok PARK, Dong-Hun Kim, Seung Ho Lee, Chan Hee Nam 2019-03-19
9875847 Multilayer ceramic electronic component and method of manufacturing the same Min Gi Sin, Kum Jin PARK, Jong Hoon Yoo, Chi Hwa Lee 2018-01-23
9842696 Composite perovskite powder, preparation method thereof, and paste composition for internal electrode having the same Kum Jin PARK, Sang Min Youn, Kwang Hee Nam, Ki Myoung Yun, Hyung Joon Jeon +1 more 2017-12-12
9633792 Conductive paste for external electrode, multilayer ceramic electronic component using the same, and manufacturing method thereof Chi Hwa Lee, Sang Min Youn, Kum Jin PARK, Jin Woo Kim 2017-04-25
9576729 Multilayer ceramic electronic component and method of manufacturing the same Kum Jin PARK, Chi Hwa Lee, Jong Hoon Yoo, Min Gi Sin 2017-02-21
9382162 Dielectric composition and multilayer ceramic electronic component manufactured using the same Sung Hyung Kang, Doo Young Kim 2016-07-05
9061945 Method of manufacturing perovskite powder, perovskite powder manufactured by the same and multilayer ceramic electronic component Kum Jin PARK, Sang Hyuk Kim, Hye Young BAEG, Hyung Joon Jeon, Sang Hoon Kwon 2015-06-23
9023747 Dielectric composition and preparation method thereof Chang Hoon Kim, Sang Min Youn, Kwang Hee Nam, Ki Myoung Yun, Hyung Joon Jeon +1 more 2015-05-05
8802050 Method of manufacturing ceramic powder having perovskite structure and ceramic powder having perovskite structure manufactured using the same Kum Jin PARK, Kang Heon Hur, Hye Young BAEG, Jung-Hwan Kim, Hyung Joon Jeon +1 more 2014-08-12
6733897 Dielectric composition and multilayer ceramic condenser using the same Kang Heon Hur, Chang-Ho Lee, Hee Young Son 2004-05-11
6613707 Dielectric ceramic compositions Jun Hwan Jeong, Byung Kyu Kim, Min-Han Kim, Sahn Nahm, Hwack Joo Lee 2003-09-02
6593263 Method for preparing dielectric ceramic compositions Sahn Nahm, Jung In Yang, Jun Hwan Jeong, Byung Kyu Kim, Hwack Joo Lee 2003-07-15