Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Yuan BU — 1 Patent in 2019

Hitachi: 1 patents #433 of 1,362Top 35%
Overall (2019): #207,749 of 560,194Top 40%
1 Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10283460 Semiconductor device, manufacturing method thereof, and electric power conversion device 2019-05-07