Shinichi Hamano

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Miyazu-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Screw having non-strip drive recess and driver bit for use with the...
- Patent number 7,077,038
- Issue date Jul 18, 2006
- Nitto Seiko Co., Ltd.
- Toshimasa Toyooka
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Screw having non-strip drive recess and driver bit for use with the...
- Publication number 20050047891
- Publication date Mar 3, 2005
- Toshimasa Toyooka
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...