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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Ming-Ching Ma — 4 Patents

AOAu Optronics: 3 patents #977 of 2,945Top 35%
Yuanchang, TW: #61 of 270 inventorsTop 25%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Ming-Ching Ma has been granted 4 US patents while listed as an inventor at Au Optronics. The first was granted in 2013 and the most recent in October 2025. Ming-Ching Ma ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Ming-Ching Ma in Yuanchang, TW.

Patents per Year

Patents granted per year, 2013 to 2015Bar chart with a peak of 1 patents in 2013.peak 12013: 1 patents20132014: 1 patents20142015: 1 patents2015

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12447566 Device for repairing a top cover of a hydro turbine by adding or removing materials Hui Liu, Tao Wu, Liren Zhou, Cee Vue Yang, Zaiming Geng +5 more 2025-10-21
9052779 Display and method of determining a position of an object applied to a three-dimensional interactive display Guo-Zhen Wang, An-Thung Cho, Jiun-Jye Chang, Shuan-Yu Tung, Yi-Pai Huang +2 more 2015-06-09 $618,000
8773354 Method utilized in three-dimensional pointing system Guo-Zhen Wang, Shuan-Yu Tung, Hung-Wei Tseng, Yi-Pai Huang 2014-07-08 $141,000
8531506 Interactive stereo display system and method for calculating three-dimensional coordinate Guo-Zhen Wang, Shuan-Yu Tung, Yi-Pai Huang, Shu-Wen Tzeng, Hung-Wei Tseng 2013-09-10 $404,000