AO

Akinobu Ohtani

CC Citizen Watch Co.: 1 patents #668 of 1,225Top 55%
Overall (All Time): #4,086,827 of 4,157,543Top 100%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4259551 External operation device for electronic timepieces Hideo Hatanaka, Motoyuki Saito 1981-03-31