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

Qi Han — 6 Patents

MGMettler-Toledo Gmbh: 3 patents #153 of 669Top 25%
Huawei: 1 patents #8,318 of 15,535Top 55%
Beijing, CN: #4,670 of 27,914 inventorsTop 20%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Qi Han has been granted 6 US patents. The first was granted in 1992 and the most recent in February 2025. Qi Han ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Qi Han in Beijing, CN.

Patents per Year

Patents granted per year, 1992 to 2025Bar chart with a peak of 1 patents in 1992.peak 11992: 1 patents19922018: 1 patents20182019: 1 patents20192022: 1 patents20222023: 1 patents20232025: 1 patents2025

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
12226837 Groove cutter with chip breaker Zongchao Zhang, Shuo Han, Yanyan Wang 2025-02-18
11846539 Method and system for measuring interference in a checkweighing device Shilong Wang, Huifang Wu, Ming Cai, Dongjie Qiu, Wenjun Jiang +2 more 2023-12-19
11311949 Indexable face milling cutting insert and face milling cutting head using the cutting insert Zongchao Zhang, Xiaoyan Fan 2022-04-26
10220450 Vertically-mounted milling cutter insert and multitooth milling cutter Zongchao Zhang 2019-03-05
9952963 System on chip and corresponding monitoring method Chenglei Mou 2018-04-24
5134174 Polypropylene microporous film Mao Xu, Shiru Hu, Jiayu Guan, Xianming Sun, Wei NB Wu +4 more 1992-07-28