Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Seiichi Okada — 1 Patent

ESEspec: 1 patents #23 of 51Top 50%
MCMurata Manufacturing Co.: 1 patents #3,462 of 5,295Top 70%
Nagaokakyo, JP: #1,665 of 2,240 inventorsTop 75%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Seiichi Okada has been granted 1 US patent while listed as an inventor at Espec. All of these patents were granted in 2014. Seiichi Okada ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Seiichi Okada in Nagaokakyo, JP.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8763480 Dew formation testing device and dew formation testing method Tetsuya Shimada, Hirokazu Tanaka, Akira Okamoto, Yoshinori Mizuma 2014-07-01