Hirofumi Akiyama

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Hinge device and electronic equipment using the same
- Patent number 7,380,313
- Issue date Jun 3, 2008
- Katoh Electrical Machinery Co., Ltd.
- Hirofumi Akiyama
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
Hinge device and electronic equipment using the same
- Publication number 20050268429
- Publication date Dec 8, 2005
- Hirofumi Akiyama
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES