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USPTO Patent Rankings Data through Sept 30, 2025
TO

Tatsuo Osato

Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #3,965,201 of 4,157,543Top 100%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4792942 Method and apparatus for multi-destination communication processing in packet storage/exchange node 1988-12-20