RT

Ryoko Takaoka

Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
Overall (All Time): #1,235,074 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8279581 Electrolytic solution for electrolytic capacitor and electrolytic capacitor using the same 2012-10-02
7163643 Driving electrolyte and electrolytic capacitor using the same Kazumitsu Honda, Yuuichiro Tsubaki, Yukiyasu Sugihara 2007-01-16
6970343 Aluminum electrolytic capacitor Kazunari Hayashi, Hisao Nagara, Kazumitsu Honda, Yoshihiro Watanabe 2005-11-29
6839222 Electrolytic capacitor Kazumitsu Honda, Yuichiro Tsubaki, Yoshihiro Watanabe 2005-01-04