KK

Keiichi Kawano

Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
SI Sumitomo Metal Industries: 1 patents #630 of 1,462Top 45%
Overall (All Time): #2,190,184 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10408864 Voltage measuring apparatus, voltage measuring method, voltage control apparatus, and voltage control method Youhei Yamaguchi, Tomomi KATAOKA, Takahiro Matsuura, Hiroaki Takechi 2019-09-10
6725982 Eddy current braking apparatus Yasunori Tani, Kenji Araki, Koichi Miura, Akira Saito, Yasutaka Noguchi +1 more 2004-04-27