Takashi Osawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Toy tops
- Patent number 6,626,729
- Issue date Sep 30, 2003
- Takara Co., Ltd.
- Takashi Osawa
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Toy yo-yo with selective enhanced rotation
- Publication number 20050048869
- Publication date Mar 3, 2005
- Takashi Osawa
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Toy tops
- Publication number 20020102907
- Publication date Aug 1, 2002
- Takashi Osawa
- A63 - SPORTS GAMES AMUSEMENTS