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

Zhen HAN — 4 Patents

IBM: 2 patents #32,909 of 70,183Top 50%
TUTianjin University: 1 patents #190 of 762Top 25%
XCXcmg Foundation Construction Machinery Co.: 1 patents #3 of 23Top 15%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Zhen HAN has been granted 4 US patents while listed as an inventor at IBM. The first was granted in 2014 and the most recent in July 2025. Zhen HAN ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Zhen HAN in 安丰镇, CN.

Patents per Year

Patents granted per year, 2014 to 2025Bar chart with a peak of 1 patents in 2014.peak 12014: 1 patents20142016: 1 patents20162019: 1 patents20192025: 1 patents2025

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12371948 Wire-guided automatic pay-off device and method Zhonghai Zhang, Ming Li, Genying LI, Ming-Hsuan Yang, Xiang Wang +6 more 2025-07-29
10246650 Catalytic cracking fractionation and absorption stabilization system, and energy saving method thereof Hong SUI, Xingang Li, Jingyi Li 2019-04-02
9317373 Snapshots in a hybrid storage device comprising a magnetic disk and a solid state disk Scott R. Murray, Yi Tong, Rong Zhang, Xiao Qing Zhang 2016-04-19 $3,648,000
8909876 Snapshots in a hybrid storage device comprising a magnetic disk and a solid state disk Scott R. Murray, Yi Tong, Rong Zhang, Xiao Qing Zhang 2014-12-09 $5,061,000