Kazuko Mabuchi

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Swimming goggles
- Patent number 6,810,536
- Issue date Nov 2, 2004
- Yamamoto Kogaku Co., Ltd.
- Tamenobu Yamamoto
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Eyeglass lens and molded material of synthetic resin having transmi...
- Patent number 5,922,246
- Issue date Jul 13, 1999
- Kyowa Hakko Kogyo Co., Ltd.
- Shoshiro Matsushita
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Swimming goggles
- Publication number 20020178491
- Publication date Dec 5, 2002
- YAMAMOTO KOGAKU CO., LTD.
- Tamenobu Yamamoto
- A63 - SPORTS GAMES AMUSEMENTS