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

Wonjae CHANG — 16 Patents

LG: 14 patents #3,194 of 26,165Top 15%
TCTrina Solar Co.: 1 patents #21 of 60Top 35%
Seoul, KR: #3,713 of 39,741 inventorsTop 10%
Overall (All Time): #284,196 of 4,157,543Top 7%
16 Patents All Time
Wonjae CHANG has been granted 16 US patents while listed as an inventor at LG. The first was granted in 2017 and the most recent in August 2025. Wonjae CHANG ranks #284,196 of 4,157,543 US inventors in our database (top 6.8%). Patent records list Wonjae CHANG in Seoul, KR.

Patents per Year

Patents granted per year, 2017 to 2025Bar chart with a peak of 4 patents in 2025.peak 42017: 1 patents20172018: 2 patents20182019: 2 patents20192020: 1 patents20202021: 2 patents20212022: 2 patents20222023: 1 patents20232024: 1 patents20242025: 4 patents2025

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12402450 Display device Chilkeun Park, Jaewon Chang 2025-08-26
12349502 Solar cell and method for manufacturing the same Jungmin Ha, Sungjin Kim, Juhwa Cheong, Junyong Ahn, Hyungwook CHOI +1 more 2025-07-01
12255187 Display device using semiconductor light-emitting element and manufacturing method therefor Jisoo KO, Hyeyoung YANG, Hyunwoo Cho 2025-03-18
12243964 Display device using micro LED having outward protrusion for assembly and manufacturing method therefor Jisoo KO, Hyeyoung YANG, Hyunwoo Cho 2025-03-04
12080580 Method for manufacturing display device, and substrate for manufacturing display device Hyunwoo Cho, Bongchu SHIM, Hyeyoung YANG, Jisoo KO 2024-09-03 $9,000
11616153 Solar cell and method for manufacturing the same Jungmin Ha, Sungjin Kim, Juhwa Cheong, Junyong Ahn, Hyungwook CHOI +1 more 2023-03-28
11462654 Solar cell and method of manufacturing the same Sungjin Kim, Juhwa Cheong, Junyong Ahn 2022-10-04 $10,000
11239379 Solar cell and method for manufacturing the same Jungmin Ha, Sungjin Kim, Juhwa Cheong, Junyong Ahn, Hyungwook CHOI +1 more 2022-02-01 $26,000
11133426 Solar cell and method for manufacturing the same Jungmin Ha, Sungjin Kim, Juhwa Cheong, Junyong Ahn, Hyungwook CHOI +1 more 2021-09-28 $28,000
10971646 Chemical vapor deposition equipment for solar cell and deposition method thereof Junyong Ahn, Hyunho Lee 2021-04-06 $28,000
10566487 Solar cell and method of manufacturing the same Sungjin Kim, Juhwa Cheong, Junyong Ahn 2020-02-18 $12,000
10367115 Method of manufacturing solar cell Juhwa Cheong, Junyong Ahn, Jaesung Kim 2019-07-30 $15,000
10230009 Solar cell and method for manufacturing the same Jungmin Ha, Sungjin Kim, Juhwa Cheong, Junyong Ahn, Hyungwook CHOI +1 more 2019-03-12 $24,000
10050170 Method of manufacturing solar cell Juhwa Cheong, Junyong Ahn, Jaesung Kim 2018-08-14 $27,000
10014419 Solar cell and method for manufacturing the same Jungmin Ha, Sungjin Kim, Juhwa Cheong, Junyong Ahn, Hyungwook CHOI +1 more 2018-07-03 $27,000
9722104 Solar cell and method for manufacturing the same Jungmin Ha, Sungjin Kim, Juhwa Cheong, Junyong Ahn, Hyungwook CHOI +1 more 2017-08-01 $41,000