YK

Youhei Kawahara

HE Hitachi Vehicle Energy: 3 patents #6 of 42Top 15%
Overall (2011): #31,616 of 364,097Top 9%
3
Patents 2011

Issued Patents 2011

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8054045 Status detector for power supply, power supply, and initial characteristic extracting device for use with power supply Akihiko Emori, Shuko Yamauchi, Hirotaka Takahashi, Masami Shida, Akihiko Kudo 2011-11-08
8004239 Battery management system for calculating charge and disharge powers Akihiko Emori, Shuko Yamauchi, Hirotaka Takahashi, Masami Shida, Yoshinori Aoshima 2011-08-23
7911178 Battery apparatus, battery control apparatus, and motor drive unit Takahiro Kawata, Akihiko Emori, Akihiko Kudo 2011-03-22