Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
HS

Hidetoshi Sumitani — 3 Patents

Nec: 3 patents #4,195 of 14,502Top 30%
Overall (All Time): #1,623,115 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6319792 Semiconductor device manufacturing method and semiconductor wafer 2001-11-20
6245660 Process for production of semiconductor device having contact plugs with reduced leakage current 2001-06-12
6028334 Semiconductor device and method of manufacturing the same 2000-02-22