YW

Yoshiomi Wada

📍 Kitami, JP: #16 of 98 inventorsTop 20%
Overall (All Time): #1,668,379 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4943088 Picture book with a pen containing water-soluble ink — 1990-07-24
4682955 Educational toy — 1987-07-28
4642054 Picture book having a telephone dial therein — 1987-02-10