Ryu Ito

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Toothbrush
- Patent number 5,533,227
- Issue date Jul 9, 1996
- Lion Corporation
- Ryu Ito
- A46 - BRUSHWARE
Information Patent Grant
Brush
- Patent number 4,741,066
- Issue date May 3, 1988
- Lion Corporation
- Ryu Ito
- A46 - BRUSHWARE