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

Feifan Hu — 7 Patents

UNUnknown: 5 patents #3,065 of 83,584Top 4%
Longbeilingcun, CN: #643 of 5,734 inventorsTop 15%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Feifan Hu has been granted 7 US patents while listed as an inventor at Unknown. The first was granted in 2019 and the most recent in July 2025. Feifan Hu ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Feifan Hu in Longbeilingcun, CN.

Patents per Year

Patents granted per year, 2019 to 2025Bar chart with a peak of 2 patents in 2020.peak 22019: 1 patents20192020: 2 patents20202021: 1 patents20212022: 1 patents20222024: 1 patents20242025: 1 patents2025

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
12357439 Electric handle, electric toothbrush and electric cleaning brush Jiankun Hu 2025-07-15
11998412 Brush head assembly and electric toothbrush Jiankun Hu 2024-06-04
11329437 Insertion detection device for plug pins and a safety socket 2022-05-10
10924049 Control method for oscillating motors and an oscillating motor Jiankun Hu, Shunan Hu, Feiran Hu 2021-02-16
10827814 Electric grinder Jiankun Hu, Jianchang Hu, Feiran Hu 2020-11-10
10778076 Electric toothbrush and its drive motor Jiankun Hu, Jianchang Hu, Feiran Hu 2020-09-15
10511214 Oscillating motor and electric clippers Jiankun Hu, Jianchang Hu, Feiran Hu 2019-12-17