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 1–25 of 154 patents

Patent #TitleCo-InventorsDate
12179560 Compressor control apparatus and method Ji Wan Son, Sang Hun Lee, Tae Woong Lim, Jin-Sung Kim 2024-12-31
12032832 Storage device and operating method thereof Sung-Jin Moon, Young-Sik Lee, Eun Ju Choi 2024-07-09
11890075 Portable complex sensor device for measuring multiple items of biometric information, and measurement method In Deok Hwang 2024-02-06
11826737 High-performance zeolite for reducing nitrogen oxide emissions, method of preparing same and catalyst using same Pyung Soon Kim, Young Jin Kim, Seung Chul Na, Seung Ho Oh, Young-san Yoo +1 more 2023-11-28
11666887 Hydrocarbon adsorbent Chun Yong Kang, Jungkyu Choi, Eun-Hee Jang, Jin Seong Kim, Hwiyoon Noh +1 more 2023-06-06
11542171 Method for preparing ZSM-5 zeolite Na Young Kang, Yong Ki Park, Yu Jin Lee 2023-01-03
11499465 Exhaust gas purification system for vehicle Hyokyung Lee 2022-11-15
11465133 High-performance zeolite for reducing nitrogen oxide emissions, method of preparing same and catalyst using same Pyung Soon Kim, Young Jin Kim, Seung Chui Na, Seung Ho Oh, Young-san Yoo +1 more 2022-10-11
11371407 Co clean-up catalyst, after treatment system and after treatment method Nahm Roh Joo, Changho Jung 2022-06-28
11346765 Accelerated outdoor exposure test equipment Sun Woong Choi 2022-05-31
11311858 Catalyst for removing nitrogen oxides Pyung Soon Kim, Hyunjoo Lee, Beom Sik Kim, Hojin Jeong, Junemin BAE 2022-04-26
11305266 Catalyst and manufacturing method thereof Young Jin Kim, Pyung Soon Kim, Eunseok Kim, Yong Sul Kim 2022-04-19
11125173 Exhaust gas purification system for vehicle and method of controlling the same Hyokyung Lee 2021-09-21
11093049 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 2021-08-17
11082551 Electronic device and operating method thereof Junwon Jung, Jeong-Won KO, Joong-Hun Kwon, Sangdeuk Nam, Seung Wook Nam +10 more 2021-08-03
11073057 Co clean-up catalyst, after treatment system and after treatment method Nahm Roh Joo, Changho Jung 2021-07-27
11068635 Method of designing a mask and method of manufacturing a semiconductor device using the same Ki Ho Yang, Jun-Young Jang, Sung-soo Suh 2021-07-20
11035273 After treatment system and after treatment method for lean-burn engine Nahm Roh Joo, Changho Jung, Dohyung Kim 2021-06-15
10981153 Catalyst and method for preparing catalyst Suk Bong Hong, Donghui Jo, Taekyung Ryu, Gi Tae Park, In-Sik Nam +1 more 2021-04-20
10982578 CO clean-up catalyst, after treatment system and after treatment method Nahm Roh Joo, Changho Jung 2021-04-20
10914217 Ammonia production catalyst and after treatment system Nahm Roh Joo, Changho Jung 2021-02-09
10883432 Exhaust gas purification system for vehicle and method of controlling the same Hyokyung Lee 2021-01-05
10849541 Portable complex sensor device for measuring multiple items of biometric information, and measurement method In Deok Hwang 2020-12-01
10852944 Method for displaying soft key and electronic device thereof Jeong-Won KO, Joong-Hun Kwon, Sangdeuk Nam, Seung Wook Nam, Myoung Soo Park +7 more 2020-12-01
10830118 After treatment system and after treatment method for lean-burn engine Nahm Roh Joo, Changho Jung, Seung Jae Yi 2020-11-10