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

Hirotoshi Jitsukawa

IBM: 1 patents #44,794 of 70,183Top 65%
Overall (All Time): #3,975,813 of 4,157,543Top 100%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4670880 Method of error detection and correction by majority Tsutomu Maruyama 1987-06-02