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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Hiroshi Azuma — 1 Patent in 2021

HZHitachi Zosen: 1 patents #11 of 47Top 25%
Tsukuba, JP: #85 of 289 inventorsTop 30%
Overall (2021): #435,242 of 548,734Top 80%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11143621 Eddy current flaw detection device Hiroaki Arai, Akihiro Shin, Takaaki Yamada 2021-10-12