Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Tadayoshi Takeuchi — 1 Patent

KEKeylex: 1 patents #26 of 48Top 55%
Hiroshima, JP: #2,797 of 4,738 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Tadayoshi Takeuchi has been granted 1 US patent while listed as an inventor at Keylex. All of these patents were granted in 2023. Tadayoshi Takeuchi ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Tadayoshi Takeuchi in Hiroshima, JP.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11707795 Welding apparatus and plate thickness testing method for welding apparatus Ryotaro Shinagawa 2023-07-25