Takashi Yamamoto

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Fujisawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Screw and method for its production
- Patent number 5,842,923
- Issue date Dec 1, 1998
- Minebea Kabushiki-Kaisha
- Masaharu Umemura
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...