Hiroaki Migita

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Hiroshima, JP

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Patents Grantslast 30 patents

Information Patent Grant
Looseness preventive nut
- Patent number 7,192,233
- Issue date Mar 20, 2007
- Eco World Company, Limited
- Hiroaki Migita
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Method of a fastening a bolt and a nut and their fastening structure
- Publication number 20090064480
- Publication date Mar 12, 2009
- Hiroaki Migita
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Looseness preventive nut
- Publication number 20050260057
- Publication date Nov 24, 2005
- Hiroaki Migita
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...