Michihiro Yokoyama

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing automobile door hinge
- Patent number 8,984,726
- Issue date Mar 24, 2015
- Hiroshi Ogawa
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Method for manufacturing motor vehicle door hinge
- Patent number 8,893,360
- Issue date Nov 25, 2014
- Hiroshi Ogawa
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF MANUFACTURING AUTOMOBILE DOOR HINGE
- Publication number 20130276276
- Publication date Oct 24, 2013
- Hiroshi OGAWA
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHOD FOR MANUFACTURING MOTOR VEHICLE DOOR HINGE
- Publication number 20130061437
- Publication date Mar 14, 2013
- Hiroshi Ogawa
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...