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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Seiichi Kashimura — 1 Patent in 2021

Hitachi: 1 patents #350 of 1,165Top 35%
Tokyo, JP: #5,015 of 13,453 inventorsTop 40%
Overall (2021): #268,426 of 548,734Top 50%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11041091 Cable and medical hollow tube Masamichi Kishi, Naoto Teraki, Takanobu Watanabe, Yuriko Kiyokane 2021-06-22