KK

Keiichi Koshiba

Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Overall (All Time): #3,403,193 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7307541 Light output device, relay and program for controlling the light output device Takumi Ikeda, Naoaki Yamamoto, Kazuhisa Watanabe, Hiroshi Takase, Tatsuo Yamamoto 2007-12-11