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USPTO Patent Rankings Data through Sept 30, 2025
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Chen-Fu Chang

HTHtc: 2 patents #30 of 178Top 20%
Overall (2021): #174,410 of 548,734Top 35%
2 Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11009712 Head-mounted display device Li-Hsun Chang, Kuan-Ying Ou, Tian-Jia Hsieh 2021-05-18
10996743 Electronic system and controller and the operating method for the same Li-Hsun Chang, Tian-Jia Hsieh, Kuan-Ying Ou, Hsi-Yu Tseng, Huan-Hsin Li +2 more 2021-05-04