Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Ryuzoh Houchin

Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Overall (All Time): #3,821,605 of 4,157,543Top 95%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5202095 Microwave plasma processor Naoki Suzuki 1993-04-13