Hiromasa Satou

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Swimming goggles
- Patent number 6,349,421
- Issue date Feb 26, 2002
- Tabata Co., Ltd.
- Shunji Fukasawa
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Swimming goggles
- Publication number 20020010959
- Publication date Jan 31, 2002
- Shunji Fukasawa
- A63 - SPORTS GAMES AMUSEMENTS