Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
HC

Hai Chang — 4 Patents

GE: 3 patents #10,387 of 36,430Top 30%
CCChicony Power Technology Co.: 1 patents #124 of 229Top 55%
New Taipei, TW: #3,198 of 10,472 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Hai Chang has been granted 4 US patents while listed as an inventor at GE. The first was granted in 2018 and the most recent in April 2024. Hai Chang ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Hai Chang in New Taipei, TW.

Patents per Year

Patents granted per year, 2018 to 2024Bar chart with a peak of 2 patents in 2024.peak 22018: 1 patents20182023: 1 patents20232024: 2 patents2024

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11945032 Forging heads and fixing devices with aligned through-holes and cavities Dalong Zhong, Yingna Wu, Yong Wu, Zirong Zhai, Yifeng Wang 2024-04-02 $46,648,000
11865620 Additive manufacturing system and method Dalong Zhong, Yingna Wu, Zirong Zhai, Yong Wu, Bin Wei +1 more 2024-01-09 $34,866,000
11673211 Temperature control system for additive manufacturing and method for same Yong Wu, Yingna Wu, Zirong Zhai, Yifeng Wang, Yimin Zhan +1 more 2023-06-13 $23,136,000
9866061 Power supply apparatus with protection function and redundant power supply system Tzu-Hung Wang, Wei Chen, Che-Hao Chang, Zhi Lu 2018-01-09