YK

Youhei Kawahara

HE Hitachi Vehicle Energy: 16 patents #3 of 95Top 4%
HS Hitachi Automotive Systems: 11 patents #120 of 1,636Top 8%
HI Hitachi: 10 patents #4,206 of 28,497Top 15%
VJ Vehicle Energy Japan: 3 patents #17 of 73Top 25%
RE Renesas Electronics: 1 patents #2,739 of 4,529Top 65%
Overall (All Time): #107,813 of 4,157,543Top 3%
33
Patents All Time

Issued Patents All Time

Showing 26–33 of 33 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
7830126 Hybrid vehicle control system and method Akihiko Emori, Manabu Jyou, Yoshinori Aoshima 2010-11-09
7755331 Storage battery managing apparatus and vehicle controlling apparatus providing the same Akihiko Emori, Shuko Yamauchi, Hirotaka Takahashi, Masami Shida, Yoshinori Aoshima 2010-07-13
7710073 Secondary battery module, battery information management device, battery information management system, secondary battery reuse system, secondary battery recovery and sales system, secondary battery reuse method, and secondary battery recovery and sales method Shuko Yamauchi, Akihiko Emori 2010-05-04
7622894 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 2009-11-24
7514905 Battery management system Akihiko Emori, Shuko Yamauchi, Hirotaka Takahashi, Masami Shida, Yoshinori Aoshima 2009-04-07