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

Kazunori Hirota

Bridgestone: 1 patents #1,586 of 2,860Top 60%
Overall (All Time): #3,601,198 of 4,157,543Top 90%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6324372 Magnet roller, process for producing same and developing unit using same 2001-11-27