Masakazu Yamada

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Patents Grantslast 30 patents

Information Patent Grant
Reading method of screw rotation angle of hand-held impact wrench,...
- Patent number 6,546,815
- Issue date Apr 15, 2003
- Kuken Co., Ltd.
- Masakazu Yamada
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

Information Patent Application
Reading method of crew rotation angle of hand-held impact wrench, h...
- Publication number 20020134172
- Publication date Sep 26, 2002
- Masakazu Yamada
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS