YO

Yoshihiko Okajima

DK Denki Kagaku Kogyo: 1 patents #14 of 48Top 30%
Overall (2011): #122,162 of 364,097Top 35%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8071882 Metal base circuit board, LED, and LED light source unit Katsunori Yashima, Keiji Takano, Takuya Okada 2011-12-06