CK

Chang Hwan Kim

Samsung: 49 patents #1,920 of 75,807Top 3%
General Motors: 40 patents #230 of 18,328Top 2%
HM Hyundai Motor: 28 patents #241 of 11,886Top 3%
KM Kia Motors: 20 patents #135 of 7,429Top 2%
LG: 8 patents #5,418 of 26,165Top 25%
AC Ahn-Gook Pharmaceutical Co.: 4 patents #4 of 30Top 15%
PF Postech Academy-Industry Foundation: 4 patents #91 of 1,477Top 7%
KAIST: 3 patents #3,292 of 11,619Top 30%
HC Hanmi Science Co.: 3 patents #31 of 140Top 25%
HC Heesung Catalysts: 3 patents #17 of 51Top 35%
KI Kia: 3 patents #821 of 4,539Top 20%
KT Korea Institute Of Science And Technology: 3 patents #669 of 3,491Top 20%
HK Hyundai Kefico: 2 patents #31 of 139Top 25%
HE Hexacheck: 2 patents #2 of 3Top 70%
University of Michigan: 2 patents #1,079 of 4,352Top 25%
UN Unknown: 2 patents #12,644 of 83,584Top 20%
IU Iowa State University: 2 patents #368 of 1,643Top 25%
HC Hanmi Pharm. Co.: 1 patents #125 of 212Top 60%
Google: 1 patents #14,769 of 22,993Top 65%
UC Unilam Co.: 1 patents #6 of 9Top 70%
HC Hanmi Holdings Co.: 1 patents #21 of 59Top 40%
ZE Zehntel: 1 patents #5 of 17Top 30%
AT Ace Technology: 1 patents #7 of 47Top 15%
KL Korea Conformity Laboratories: 1 patents #7 of 12Top 60%
GT Gwangju Institute Of Science And Technology: 1 patents #260 of 901Top 30%
KF Korea University Research And Business Foundation: 1 patents #681 of 2,072Top 35%
📍 Seoul, MI: #2 of 63 inventorsTop 4%
Overall (All Time): #5,880 of 4,157,543Top 1%
154
Patents All Time

Issued Patents All Time

Showing 26–50 of 154 patents

Patent #TitleCo-InventorsDate
10808588 After treatment system and after treatment method for lean-burn engine Nahm Roh Joo, Changho Jung, Dohyung Kim 2020-10-20
10799854 Cu/LTA catalyst and exhaust system, and manufacturing method of cu/LTA catalyst Pyung Soon Kim, Changho Jung 2020-10-13
10760461 Catalyst oxygen purge control apparatus and method Jin Woo Choung, Sungjae Kim, Soomin Lee 2020-09-01
10727430 Organic light emitting diode Hwakyung Kim, Minseung Chun, Seongmi Cho, Dongheon Kim, Wooyung Jung 2020-07-28
10697340 After treatment system and after treatment method for lean-burn engine Nahm Roh Joo, Changho Jung, Chulho Yu 2020-06-30
10648387 Exhaust gas post processing apparatus Dalyoung Yoon, Iljeong Heo, Young Woo YOU, Jin Hee Lee 2020-05-12
10642437 Electronic device and method for controlling display in electronic device Sun Young Park, Jeong-Won KO, Joong-Hun Kwon, Sang-Deuk Nam, Seung Wook Nam +7 more 2020-05-05
10633844 Drain pipe assembly for installation of washstand Dong-Myung Kim 2020-04-28
10613724 Control method for selecting and pasting content Dong-jin Eun, Sang-Hyuk KOH, Heung Kyo Seo, Chi Hoon Lee, Jung Eui SEO 2020-04-07
10560565 Electronic device and operating method thereof Junwon Jung, Jeong-Won KO, Joong-Hun Kwon, Sangdeuk Nam, Seung Wook Nam +10 more 2020-02-11
10518253 Catalyst and method for preparing catalyst Suk Bong Hong, Donghui Jo, Taekyung Ryu, Gi Tae Park, In-Sik Nam +1 more 2019-12-31
10443464 Catalyst oxygen purge control apparatus and method Jin Woo Choung, Sungjae Kim, Soomin Lee 2019-10-15
10444920 Electronic device and method for controlling display in electronic device Sun Young Park, Jeong-Won KO, Joong-Hun Kwon, Sang-Deuk Nam, Seung Wook Nam +7 more 2019-10-15
10343925 Method for preparing zeolite catalyst Suk Bong Hong, Donghui Jo, Taekyung Ryu, Gi Tae Park, In-Sik Nam +1 more 2019-07-09
10317798 Method of forming pattern of semiconductor device Sang-Oh Park, Sang-chul Shin, Ji-Young Kim 2019-06-11
10295870 Electronic device and method for operating thereof Jeong-Won KO, Joong-Hun Kwon, Sangdeuk Nam, Seung Wook Nam, Myoung Soo Park +7 more 2019-05-21
10287946 Exhaust system and control method of amount of urea supply Hyokyung Lee 2019-05-14
10132065 Drain pipe assembly for installation of washstand Dong-Myung Kim 2018-11-20
10112185 Catalyst and manufacturing method of catalyst Pyung Soon Kim, Suk Bong Hong, Taekyung Ryu, Jeong-Hwan Lee, In-Sik Nam +1 more 2018-10-30
10054018 Catalyzed particulate filter Pyung Soon Kim, Chun Yong Kang, Changho Jung 2018-08-21
10040029 Efficient lean NOx trap regeneration with enchanced ammonia formation Rahul Mital, Jianwen Li, Andrea De Filippo, Shouxian Ren 2018-08-07
9962653 Catalyzed particulate filter Pyung Soon Kim, Chang Ho Jung 2018-05-08
9887368 Organic light-emitting device and method for manufacturing same Minseung Chun, Jungi Jang, Changhwan Shin, Seong So Kim, Hyungjin Lee +2 more 2018-02-06
9879587 Diagnosing oxidation catalyst device with hydrocarbon storage Michelle H. Wiebenga, Vincent J. Tylutki, David Brown, Igor Anilovich, Rahul Mital 2018-01-30
9829634 Bundled optical fiber probe Ho Yeon LEE, Ik Bu SOHN, Myung Jin Jeon, Ho Yong Park 2017-11-28