Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Chen-Fu Chang — 13 Patents

HTHtc: 8 patents #168 of 1,407Top 15%
QSQuanta Storage: 5 patents #10 of 47Top 25%
Taoyuan, TW: #489 of 5,438 inventorsTop 9%
Overall (All Time): #362,438 of 4,157,543Top 9%
13 Patents All Time
Chen-Fu Chang has been granted 13 US patents while listed as an inventor at Htc. The first was granted in 2009 and the most recent in August 2025. Chen-Fu Chang ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list Chen-Fu Chang in Taoyuan, TW.

Patents per Year

Patents granted per year, 2009 to 2025Bar chart with a peak of 3 patents in 2023.peak 32009: 1 patents20092011: 2 patents20112012: 1 patents20122019: 1 patents20192021: 2 patents20212023: 3 patents20232024: 2 patents20242025: 1 patents2025

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
12399374 Head-mounted display device Li-Hsun Chang, Kuan-Ying Ou 2025-08-26
11903460 Wearable device Li-Hsun Chang, Yu-Hsun Chung 2024-02-20
11889905 Wearable device Li-Hsun Chang, Yu-Hsun Chung 2024-02-06
11750967 Microphone and head-mounted display Li-Hsun Chang, I-Chung Wu, Pei-Wen Wang 2023-09-05
11737218 Head-mounted display device Li-Hsun Chang, Tian-Jia Hsieh, Chih-Hsiang Hsieh 2023-08-22
11681370 Handheld controller and control method Yu-Hsun Chung 2023-06-20
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
10309955 Rotating device for biological detection Chien-Hui Hsu, Sheng-Wen Chiu, Chuan-Tsung Feng 2019-06-04
8122463 Electrostatic discharge protection device for optical disk drive Li-Li Yang, Hsien-Chung Ou 2012-02-21
8076594 Protection device for protecting a flat cable Hsien-Chung Ou, Li-Li Yang, Jen-Chen Wu 2011-12-13
7983015 Electrostatic discharge protection device for an optical disc drive Li-Li Yang, Hsien-Chung Ou 2011-07-19
7636926 Shock isolation structure applied in optical disc drive Jen-Chen Wu 2009-12-22