RN

Ryouhei Nakao

HS Hitachi Automotive Systems: 6 patents #275 of 1,636Top 20%
HE Hitachi Vehicle Energy: 2 patents #41 of 95Top 45%
Overall (All Time): #642,830 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
9685807 Battery control device Shinji Imai, Keiichiro Ohkawa, Naoyuki Igarashi, Takahiro Soma 2017-06-20
9641011 Battery control device adapting the battery current limit by decreasing the stored current limit by comparing it with the measured battery current Keiichiro Ohkawa, Youhei Kawahara 2017-05-02
9362759 Battery control circuit and battery device Youhei Kawahara, Akihiko Kudou, Akihiko Emori, Kei Sakabe 2016-06-07
9356451 Battery control circuit having multiple adjusting units Youhei Kawahara, Akihiko Kudo, Akihiko Emori, Kei Sakabe 2016-05-31
9293937 Electric storage device Youhei Kawahara, Akihiko Kudo, Akihiko Emori, Keiichiro Okawa, Yoshinori Aoshima 2016-03-22
9252624 Battery control device and battery system Keiichiro Ohkawa, Youhei Kawahara 2016-02-02
9252602 Electric storage cell control circuit Keiichiro Ohkawa, Youhei Kawahara 2016-02-02
8736229 Battery control circuit for reducing power consumption Youhei Kawahara, Akihiko Kudo, Akihiko Emori, Kei Sakabe 2014-05-27