Hitomi Kojo

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Hamamatsu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Racket frame and process for producing the same
- Patent number 5,700,210
- Issue date Dec 23, 1997
- Yamaha Corporation
- Kenjiro Takechi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL