TI

Takayoshi Ibata

SI Seiko Instruments: 1 patents #836 of 1,437Top 60%
Overall (All Time): #2,687,041 of 4,157,543Top 65%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11474479 Hairspring, balance with hairspring, timepiece movement, and timepiece Hiroshi Nomura 2022-10-18