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

Itsuji Okamura — 1 Patent

MAMac: 1 patents #12 of 23Top 55%
Toyota: 1 patents #15,486 of 26,838Top 60%
Toyota, JP: #3,208 of 5,020 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Itsuji Okamura has been granted 1 US patent while listed as an inventor at Mac. All of these patents were granted in 1986. Itsuji Okamura ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Itsuji Okamura in Toyota, JP.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4609458 Device for removing moisture from oil Hiroaki Matushita, Kiyoshi Murata 1986-09-02 $35,000