YW

Youichi Wakai

SS Suwa Seikosha: 2 patents #49 of 220Top 25%
Overall (All Time): #2,363,369 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4398834 Electronic watch with demonstration display mode — 1983-08-16
4365898 Time-correcting mechanism for electronic timepiece — 1982-12-28