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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Ching-Chih Chang — 2 Patents in 2021

LLLite-On Electronics (Guangzhou) Limited: 1 patents #16 of 60Top 30%
LTLite-On Technology: 1 patents #24 of 93Top 30%
UMUnited Microelectronics: 1 patents #251 of 616Top 45%
Tainan, TW: #179 of 842 inventorsTop 25%
Overall (2021): #174,403 of 548,734Top 35%
2 Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10916427 Forming contact holes using litho-etch-litho-etch approach Yuan-Fu Ko, Chih-Sheng Chang 2021-02-09 $2,399,000
10900264 Hinge structure and casing using the same Chin-Yueh Liu 2021-01-26