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

Haochen Li — 3 Patents

MTMattson Technology: 3 patents #62 of 230Top 30%
BCBeijing E-Town Semiconductor Technology Co.: 2 patents #34 of 72Top 50%
Fremont, CA: #4,248 of 9,298 inventorsTop 50%
California: #150,760 of 386,348 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Haochen Li has been granted 3 US patents while listed as an inventor at Mattson Technology. The first was granted in 2019 and the most recent in October 2023. Haochen Li ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Haochen Li in Fremont, CA, US.

Patents per Year

Patents granted per year, 2019 to 2023Bar chart with a peak of 1 patents in 2019.peak 12019: 1 patents20192021: 1 patents20212023: 1 patents2023

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11791181 Methods for the treatment of workpieces Ting Xie, Hua Chung, Xinliang Lu, Shawming Ma, Haichun Yang +1 more 2023-10-17
10964528 Integration of materials removal and surface treatment in semiconductor device fabrication Michael X. Yang, Hua Chung, Xinliang Lu, Ting Xie, Qi Zhang 2021-03-30
10403492 Integration of materials removal and surface treatment in semiconductor device fabrication Michael X. Yang, Hua Chung, Xinliang Lu, Ting Xie, Qi Zhang 2019-09-03 $2,676,000