Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Nubuo Akitomo

HIHitachi: 1 patents #17,742 of 28,497Top 65%
Ibaraki, JP: #4,343 of 6,779 inventorsTop 65%
Overall (All Time): #4,102,282 of 4,157,543Top 100%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4305664 Spectrophotometer 1981-12-15