Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Changhai Chen

Bloomfield Hills, MI: #268 of 1,072 inventorsTop 25%
Michigan: #18,390 of 86,293 inventorsTop 25%
Overall (All Time): #951,923 of 4,157,543Top 25%
5 Patents All Time

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