AS

Akio Shiina

SC Sente Creations Co.: 2 patents #1 of 10Top 10%
📍 Kazuno, JP: #1 of 5 inventorsTop 20%
Overall (All Time): #2,314,189 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5017171 Toy utilizing bubbles in liquid — 1991-05-21
4990118 Toy utilizing bubbles in liquid — 1991-02-05