Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
CJ

Changhum JO — 5 Patents

LG: 4 patents #9,177 of 26,165Top 40%
LCLg Magna E-Powertrain Co.: 1 patents #23 of 54Top 45%
Seoul, KR: #10,630 of 39,741 inventorsTop 30%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Changhum JO has been granted 5 US patents while listed as an inventor at LG. The first was granted in 2019 and the most recent in September 2025. Changhum JO ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Changhum JO in Seoul, KR.

Patents per Year

Patents granted per year, 2019 to 2025Bar chart with a peak of 1 patents in 2019.peak 12019: 1 patents20192020: 1 patents20202021: 1 patents20212024: 1 patents20242025: 1 patents2025

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12431762 Robot wheel driving apparatus Jangwon Lee, Myungkeun Yoo 2025-09-30
11894750 Motor Jongsu Kim, Jungwook MOON, Minjung Kim, Taehee Kwak 2024-02-06
11011955 Motor Jongsu Kim, Taehee Kwak, Jungwook MOON 2021-05-18 $27,000
10811919 BLDC motor and cleaner having the same KyungHoon Lee, Kwangyong Jang, Jongwon Kim 2020-10-20 $24,000
10186915 BLDC motor and cleaner having the same Kwangyong Jang, Sangchul Lee, KyungHoon Lee 2019-01-22 $28,000