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

Yan He — 4 Patents

COCombisep: 1 patents #5 of 10Top 50%
Ames, IA: #331 of 1,427 inventorsTop 25%
Iowa: #3,794 of 15,303 inventorsTop 25%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Yan He has been granted 4 US patents while listed as an inventor at Combisep. The first was granted in 2005 and the most recent in May 2020. Yan He ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Yan He in Ames, IA, US.

Patents per Year

Patents granted per year, 2005 to 2020Bar chart with a peak of 2 patents in 2020.peak 22005: 1 patents20052017: 1 patents20172020: 2 patents2020

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10648617 Automatic gas cylinder filling system and operating instructions Yong Xu 2020-05-12
10530215 Motor driven pump and junction box Yuanping Han, Jiao Zhou, Zhi Hu 2020-01-07
9703171 Microscopic image detecting instrument and automatic focusing method therefor Xiao-Mou Zhou, Jun Xu, Guo-Jun Fang 2017-07-11
6969452 Two-dimensional protein separations using chromatofocusing and multiplexed capillary gel electrophoresis Ho-Ming Pang, Siquan Luo, Futian Han 2005-11-29