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

Masafumi Yamaji

Nec: 1 patents #7,889 of 14,502Top 55%
RERenesas Electronics: 1 patents #2,739 of 4,529Top 65%
Overall (All Time): #2,063,752 of 4,157,543Top 50%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8344477 Semiconductor chip, semiconductor wafer, method of manufacturing semiconductor chip 2013-01-01
6223327 Cell hierarchy verification method and apparatus for LSI layout 2001-04-24