YF

Yoshinori Futami

SS Suwa Seikosha: 2 patents #49 of 220Top 25%
Overall (All Time): #2,363,908 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4407019 Electronic wristwatch Tokumon Ogawa 1983-09-27
4266290 Electronic wristwatch control mechanism Tomio Ota 1981-05-05