YK

Yoshio Koyasu

AM Amano: 1 patents #20 of 70Top 30%
Overall (All Time): #3,999,495 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4603335 Time recorder for vertical and horizontal use — 1986-07-29