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

Constantine E. Kafantaris — 14 Patents

MAMattel: 1 patents #625 of 1,185Top 55%
Los Angeles, CA: #831 of 12,377 inventorsTop 7%
California: #43,920 of 386,348 inventorsTop 15%
Overall (All Time): #332,869 of 4,157,543Top 9%
14 Patents All Time
Constantine E. Kafantaris has been granted 14 US patents while listed as an inventor at Mattel. The first was granted in 2018 and the most recent in September 2022. Constantine E. Kafantaris ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Constantine E. Kafantaris in Los Angeles, CA, US.

Patents per Year

Patents granted per year, 2018 to 2022Bar chart with a peak of 7 patents in 2021.peak 72018: 1 patents20182020: 3 patents20202021: 7 patents20212022: 3 patents2022

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
D964900 Mobile station 2022-09-27
D947070 Vehicle chassis 2022-03-29
D940588 Passenger vehicle Jason Briney, Daniel Schumpert 2022-01-11
11073247 Explosion containment and redirection system 2021-07-27
D925482 Home electrolyzer 2021-07-20
11060667 Rapid gas release system Daniel J. Ovalles 2021-07-13
D918109 Vehicle interior 2021-05-04
D911989 Home electrolyzer 2021-03-02
D911873 Vehicle 2021-03-02
D910517 Vehicle side mirror 2021-02-16
D901915 Vehicle seat 2020-11-17
D897921 Wheel 2020-10-06
D893369 Vehicle steering wheel 2020-08-18
9962618 Toy vehicle Pak Keung Chu 2018-05-08 $28,819,000