Hidefumi Okamoto

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Assembly for an illumination device
- Patent number 7,287,896
- Issue date Oct 30, 2007
- Stanley Electric Co., Ltd.
- Hidefumi Okamoto
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
LIGHTING OPTICAL SYSTEM
- Publication number 20130250381
- Publication date Sep 26, 2013
- Stanley Electric Co., Ltd
- Yasuo Toko
- G02 - OPTICS
Information Patent Application
Illumination device
- Publication number 20050270794
- Publication date Dec 8, 2005
- Hidefumi Okamoto
- G02 - OPTICS