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

Kai Tanaka — 5 Patents

BOBorgwarner: 5 patents #271 of 1,733Top 20%
Mills River, NC: #5 of 14 inventorsTop 40%
North Carolina: #10,126 of 45,564 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Kai Tanaka has been granted 5 US patents while listed as an inventor at Borgwarner. The first was granted in 2021 and the most recent in May 2024. Kai Tanaka ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Kai Tanaka in Mills River, NC, US.

Patents per Year

Patents granted per year, 2021 to 2024Bar chart with a peak of 2 patents in 2021.peak 22021: 2 patents20212023: 2 patents20232024: 1 patents2024

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11976572 Method of reducing turbine wheel high cycle fatigue in sector-divided dual volute turbochargers Tim Weiland 2024-05-07 $62,812,000
11634998 Wastegate assembly for use in a turbocharger and system including the same Matthew Brian Cooley, Alexander George Milburn 2023-04-25 $58,070,000
11549431 Turbine housing of a turbocharger Matthew Brian Cooley 2023-01-10 $66,860,000
11136915 Wastegate assembly and turbocharger including the same Alexander George Milburn, Matthew Brian Cooley 2021-10-05 $40,261,000
11131234 Turbine housing of a turbocharger Matthew Brian Cooley 2021-09-28 $26,539,000