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USPTO Patent Rankings Data through Sept 30, 2025
TI

Toshiyuki Igarashi

NCNiigata Seiki Co.: 1 patents #1 of 1Top 100%
Overall (2017): #213,482 of 506,227Top 45%
1 Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9534881 Ring gauge with maintenance line and round point and method of manufacturing the same 2017-01-03