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Robert Chen — 61 Patents

MSMatrix Integrated Systems: 1 patents #7 of 14Top 50%
Cerritos, CA: #5 of 505 inventorsTop 1%
California: #5,709 of 386,348 inventorsTop 2%
Overall (All Time): #37,626 of 4,157,543Top 1%
61 Patents All Time
Robert Chen has been granted 61 US patents while listed as an inventor at Matrix Integrated Systems. The first was granted in 2003 and the most recent in September 2025. Robert Chen ranks #37,626 of 4,157,543 US inventors in our database (top 0.91%). Patent records list Robert Chen in Cerritos, CA, US.

Issued Patents All Time

Showing 1–25 of 61 patents

Patent #TitleCo-InventorsDate
12428102 Motorized mid-drive unit Yau Wang, Louis Lu 2025-09-30
12403974 Electric scooter Joey Chih-Wei Huang 2025-09-02
D1066512 Electric scooter Robert Hadley 2025-03-11
12240559 Hub motor arrangements, systems, and methods Fu-Yao Wang (Yau Wang), Shih-Chen Lu (Louis Lu), Ian Desberg, Robert Hadley 2025-03-04
12214841 Electric balance vehicles Ian Desberg, Robert Hadley 2025-02-04
12187376 Powered personal mobility vehicle with rotating wheels Robert Hadley, William Griggs 2025-01-07
D1048951 Drifting kart — 2024-10-29
D1049248 Drifting kart — 2024-10-29
12084144 Scooter with rear swivel wheel — 2024-09-10
12071190 Scooter steering lock Joey Chih-Wei Huang 2024-08-27
12059948 Kart Tony Wang 2024-08-13
12054221 Braking device for a personal mobility vehicle Robert Hadley 2024-08-06
D1031525 Bike William Griggs, Ian Desberg 2024-06-18
D1029949 Electric scooter Joey Chih-Wei Huang 2024-06-04
11975794 Freewheeling electric scooter Joey Chih-Wei Huang 2024-05-07
11951382 Powered wheeled board Hua Tao, Huolai Guo 2024-04-09
D1010013 Electric scooter controller Robert Hadley 2024-01-02
D1002743 Drifting kart Ali Kermani, Robert Hadley 2023-10-24
D988420 Drifting kart — 2023-06-06
11654995 Electric balance vehicles Ian Desberg, Robert Hadley 2023-05-23
11498636 Scooter with rear swivel wheel — 2022-11-15
11447203 Powered personal mobility vehicle with rotating wheels Robert Hadley, William Griggs 2022-09-20
D957534 Drifting kart Ali Kermani, Robert Hadley 2022-07-12
11338883 Braking device for a personal mobility vehicle Robert Hadley 2022-05-24
D949749 Drifting kart — 2022-04-26

Nearby-Ranked Inventors

David A. Dewey61
Andy Edward Denison61
Daniel F. McCormick61
Mark D. Erion61
Pallab Datta61
Satoru Abe61
David Gene Bowling61
Katsumi Kono61
John William Hall61