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

Yoshiaki Izumi — 3 Patents

JTJtekt: 3 patents #557 of 1,969Top 30%
MIMarugo Rubber Industries: 1 patents #4 of 24Top 20%
Okazaki, JP: #784 of 2,010 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Yoshiaki Izumi has been granted 3 US patents while listed as an inventor at Jtekt. The first was granted in 2013 and the most recent in October 2023. Yoshiaki Izumi ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Yoshiaki Izumi in Okazaki, JP.

Patents per Year

Patents granted per year, 2013 to 2023Bar chart with a peak of 1 patents in 2013.peak 12013: 1 patents20132020: 1 patents20202023: 1 patents2023

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11781633 Rack bar and steering apparatus Hirofumi Ishimi, Isao Torii 2023-10-10 $210,000
10641340 Fitting structure and steering system including the same Toshiyuki Ohsara, Tsuneharu Takizawa, Makoto Miyawaki, Sosuke Imaoka, Shohei Fujita 2020-05-05
8348289 Rack-and-pinion mechanism and steering system Takahiro Tanaka, Masahiko Hirose 2013-01-08