Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Inventors › Changhai Chen
CC

Changhai Chen — 5 Patents

Bloomfield Hills, MI: #271 of 1,072 inventorsTop 30%
Michigan: #18,552 of 86,293 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Changhai Chen has been granted 5 US patents. The first was granted in 2018 and the most recent in February 2022. Changhai Chen ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Changhai Chen in Bloomfield Hills, MI, US.

Patents per Year

Patents granted per year, 2018 to 2022Bar chart with a peak of 2 patents in 2020.peak 22018: 1 patents20182020: 2 patents20202021: 1 patents20212022: 1 patents2022

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
11246805 Dispenser system and methods for medication compliance Daniel Chen, Michael Chen 2022-02-15
11040593 Occupant safety systems to respond to current conditions and prevent injuries of animate objects Michael Chen, Daniel Chen 2021-06-22
10722431 Dispenser system and methods for medication compliance Daniel Chen, Michael Chen 2020-07-28
10629043 System and method to avoid heatstroke in vehicles Daniel Chen, Michael Chen 2020-04-21
10073954 Dispenser system and methods for medication compliance Daniel Chen, Michael Chen 2018-09-11

Frequent Collaborators

Daniel Chen5 shared
Michael Chen3 shared
Michael Chen1 shared
Michael Chen1 shared

Nearby-Ranked Inventors

Joseph L. Mann5
Terry Richard Linn5
Ikuo DEGUCHI5
Swapnil Kumar5
Zachary W. Gyugyi5
Xiaoxue CHEN5
Mohankumar Krishnan VALIYAMBATH5
Baoquan Tan5
Jack Long5