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

Yuka Hayashi — 2 Patents

Nec: 2 patents #5,510 of 14,502Top 40%
Overall (All Time): #2,142,742 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7324809 Portable telephone set and control method thereof 2008-01-29
7274952 Portable telephone set 2007-09-25