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 2025 Bar chart with a peak of 3 patents in 2023. peak 3 2009: 1 patents 2009 2011: 2 patents 2011 2012: 1 patents 2012 2019: 1 patents 2019 2021: 2 patents 2021 2023: 3 patents 2023 2024: 2 patents 2024 2025: 1 patents 2025
Issued Patents All Time
Profile Widget
Showing 1–13 of 13 patents
Patent # Title Co-Inventors Date
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