Shinichiro CHIBA

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Artificial shuttlecock feather and shuttlecock
- Patent number 10,576,346
- Issue date Mar 3, 2020
- Yonex Kabushiki Kaisha
- Takumi Sakaguchi
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
ARTIFICIAL SHUTTLECOCK FEATHER AND SHUTTLECOCK
- Publication number 20190176007
- Publication date Jun 13, 2019
- YONEX KABUSHIKI KAISHA
- Takumi SAKAGUCHI
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
STRING SET, MAIN STRING, AND CROSS STRING
- Publication number 20190118045
- Publication date Apr 25, 2019
- YONEX CO., LTD.
- Katsutoshi OKI
- A63 - SPORTS GAMES AMUSEMENTS