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

Joy Cheng — 77 Patents

IBM: 48 patents #1,839 of 70,183Top 3%
TSMC: 24 patents #1,420 of 12,232Top 15%
BABorealis Ag: 3 patents #261 of 611Top 45%
JSJsr: 2 patents #443 of 1,137Top 40%
Globalfoundries: 2 patents #1,397 of 4,424Top 35%
ASAz Electronic Materials (Luxembourg) S.A.R.L.: 1 patents #75 of 145Top 55%
Overall (All Time): #24,274 of 4,157,543Top 1%
77 Patents All Time
Joy Cheng has been granted 77 US patents while listed as an inventor at IBM. The first was granted in 2009 and the most recent in July 2025. Joy Cheng ranks #24,274 of 4,157,543 US inventors in our database (top 0.58%). Patent records list Joy Cheng in Taoyuan, CA, TW.

Patents per Year

Patents granted per year, 2009 to 2025Bar chart with a peak of 10 patents in 2017.peak 102009: 2 patents20092010: 3 patents2011: 4 patents20112012: 4 patents2013: 4 patents20132014: 7 patents2015: 4 patents20152016: 6 patents2017: 10 patents20172018: 9 patents2019: 4 patents20192020: 8 patents2021: 2 patents20212022: 3 patents2023: 2 patents20232024: 2 patents2025: 3 patents2025

Issued Patents All Time

Showing 1–25 of 77 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12360456 EUV metallic resist performance enhancement via additives An-Ren Zi, Ching-Yu Chang 2025-07-15
12253800 EUV metallic resist performance enhancement via additives An-Ren Zi, Ching-Yu Chang 2025-03-18
12210286 Metal-compound-removing solvent and method in lithography An-Ren Zi, Ching-Yu Chang 2025-01-28
12181798 Extreme ultraviolet photolithography method with developer composition An-Ren Zi, Ching-Yu Chang, Chin-Hsiang Lin 2024-12-31 $20,928,000
12012504 Process for the preparation of multimodal high density polyethylene Anh Tuan Tran, Alexandra Romina Albunia, Joseph Thorman, John Jamieson, Ravindra Tupe 2024-06-18
11822238 Extreme ultraviolet photolithography method with developer composition An-Ren Zi, Ching-Yu Chang, Chin-Hsiang Lin 2023-11-21 $8,803,000
11681226 Metal-compound-removing solvent and method in lithography An-Ren Zi, Ching-Yu Chang 2023-06-20 $9,516,000
11427670 Composition and process Peter Roos, Mark Jeruzal, Qizheng Duo, Erik Eriksson 2022-08-30
11307504 Humidity control in EUV lithography An-Ren Zi, Chin-Hsiang Lin, Ching-Yu Chang 2022-04-19 $10,829,000
11300878 Photoresist developer and method of developing photoresist An-Ren Zi, Chin-Hsiang Lin, Ching-Yu Chang 2022-04-12 $11,948,000
11137685 Semiconductor method of protecting wafer from bevel contamination An-Ren Zi, Ching-Yu Chang, Chin-Hsiang Lin 2021-10-05 $16,835,000
11054742 EUV metallic resist performance enhancement via additives An-Ren Zi, Ching-Yu Chang 2021-07-06 $21,457,000
10872773 Methods of reducing pattern roughness in semiconductor fabrication Chien-Wei Wang, Ching-Yu Chang, Chin-Hsiang Lin 2020-12-22 $12,056,000
10866516 Metal-compound-removing solvent and method in lithography An-Ren Zi, Ching-Yu Chang 2020-12-15 $3,031,000
10866511 Extreme ultraviolet photolithography method with developer composition An-Ren Zi, Ching-Yu Chang, Chin-Hsiang Lin 2020-12-15 $3,031,000
10796910 Method for performing a photolithography process Tsung-Han Ko, Ching-Yu Chang, Chin-Hsiang Lin 2020-10-06 $12,045,000
10741410 Material composition and methods thereof An-Ren Zi, Ching-Yu Chang 2020-08-11 $11,139,000
10635000 Semiconductor method of protecting wafer from bevel contamination An-Ren Zi, Ching-Yu Chang, Chin-Hsiang Lin 2020-04-28 $7,447,000
10622211 Metal-compound-removing solvent and method in lithography An-Ren Zi, Ching-Yu Chang 2020-04-14 $9,665,000
10573519 Method for performing a photolithography process Tsung-Han Ko, Ching-Yu Chang, Chin-Hsiang Lin 2020-02-25 $48,850,000
10515812 Methods of reducing pattern roughness in semiconductor fabrication Chien-Wei Wang, Ching-Yu Chang, Chin-Hsiang Lin 2019-12-24 $1,969,000
10418245 Method for integrated circuit manufacturing with directed self-assembly (DSA) Chih-Jie Lee 2019-09-17 $15,951,000
10274847 Humidity control in EUV lithography An-Ren Zi, Chin-Hsiang Lin, Ching-Yu Chang 2019-04-30 $1,428,000
10259907 Block copolymers with surface-active junction groups, compositions and processes thereof Ankit Vora, Eri Hirahara, Durairaj BASKARAN, Orest Polishchuk, Melia Tjio +3 more 2019-04-16
10081740 Directed self-assembly Michael A. Guillorn, Chi-Chun Liu, Jed W. Pitera, HsinYu Tsai 2018-09-25 $2,527,000