Akio Shiina

Follow

Person

Toyama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Toy utilizing bubbles in liquid
- Patent number 5,017,171
- Issue date May 21, 1991
- Sente Creations Co., Ltd.
- Akio Shiina
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Toy utilizing bubbles in liquid
- Patent number 4,990,118
- Issue date Feb 5, 1991
- Sente Creations Co., Ltd.
- Akio Shiina
- A63 - SPORTS GAMES AMUSEMENTS