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Tadashi Tsuchiya

SI Seiko Instruments: 1 patents #9 of 39Top 25%
Overall (2022): #237,891 of 548,613Top 45%
1
Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11262710 Timepiece with physical authentication mark — 2022-03-01