Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Ya-Yu Yang — 2 Patents in 2021

EPEpistar: 2 patents #21 of 172Top 15%
Overall (2021): #97,137 of 548,734Top 20%
2 Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11094814 Semiconductor power device Shang-Ju Tu, Tsung-Cheng Chang, Chia-Cheng Liu 2021-08-17
11049961 High electron mobility transistor and methods for manufacturing the same Shang-Ju Tu, Chia-Cheng Liu, Tsung-Cheng Chang, Yu-Jiun Shen, Jen-Inn Chyi 2021-06-29