FK

Fumika Kawahara

SA Sankosha: 1 patents #17 of 39Top 45%
TC Tohoku Electric Power Company: 1 patents #65 of 246Top 30%
Overall (All Time): #3,521,424 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6612751 Optical repeating device with monitoring function Katsumi Watanabe, Takayuki Okawa 2003-09-02