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

Kohichi Tohkairin

Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%
Overall (All Time): #2,302,017 of 4,157,543Top 60%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5212679 Disk drive for information storage 1993-05-18
5140578 Disk drive for information storage 1992-08-18