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USPTO Patent Rankings Data through Sept 30, 2025
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Junichi Nakabayashi

Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #4,107,130 of 4,157,543Top 100%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4190759 Processing of photomask Mikio Hongo 1980-02-26