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

Tooru Kai — 5 Patents

Sony: 3 patents #10,793 of 25,231Top 45%
TCToyoda Gosei Co.: 2 patents #900 of 2,296Top 40%
TLToyota Central R&D Labs: 1 patents #823 of 1,657Top 50%
Inazawa, JP: #49 of 226 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Tooru Kai has been granted 5 US patents while listed as an inventor at Sony. The first was granted in 1984 and the most recent in December 2021. Tooru Kai ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Tooru Kai in Inazawa, JP.

Patents per Year

Patents granted per year, 1984 to 2021Bar chart with a peak of 3 patents in 2021.peak 31984: 1 patents19841985: 1 patents19852021: 3 patents2021

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11211300 Electronic component and camera module Ryo Itotani, Yuta Momiuchi, Hirokazu Nakayama, Miyoshi Togawa 2021-12-28 $1,520,000
11178759 Electronic component and camera module Ryo Itotani, Yuta Momiuchi, Hirokazu Nakayama, Miyoshi Togawa 2021-11-16 $2,287,000
10917550 Electronic component, camera module, and method for manufacturing electronic component Yuta Momiuchi, Ryo Itotani, Hirokazu Nakayama, Miyoshi Togawa 2021-02-09 $1,387,000
4543602 Surface inspection method Chikahisa Hayashi 1985-09-24
4467214 Method of and apparatus for detecting external defects of a circular sealing member Hiroshi Ito, Hiroshi Kuno 1984-08-21