YK

Yonesaburo Kawashima

📍 Tochigi, JP: #1,056 of 2,789 inventorsTop 40%
Overall (All Time): #1,640,521 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5799356 Tooth brush 1998-09-01
D289684 Foot massager 1987-05-05
4571768 Toothbrush 1986-02-25