Hiroyuki Ootsuka

Follow

Person

Gyoda City, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Illuminating device for reducing unevenness in illuminance on an ir...
- Patent number 8,690,394
- Issue date Apr 8, 2014
- Iwasaki Electric Co., Ltd.
- Norihiro Sakai
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
ILLUMINATING DEVICE
- Publication number 20120069578
- Publication date Mar 22, 2012
- Iwasaki Electric Co., Ltd.
- Norihiro Sakai
- F21 - LIGHTING