Inventor
OKADA SHIGEKAZU
JP5 patents
Patents
5 patentsUS10611245B2Apr 7, 2020
Power conversion system
TOKAI RYOKAKU TETSUDO KK2 citations66
US11097619B2Aug 24, 2021
Current collector monitoring system
TOKAI RYOKAKU TETSUDO KK0 citations59
US10343549B2Jul 9, 2019
Railway vehicle
TOKAI RYOKAKU TETSUDO KK0 citations40
US10525838B2Jan 7, 2020
Power conversion system
TOKAI RYOKAKU TETSUDO KK0 citations36
US10538162B2Jan 21, 2020
Power conversion system
TOKAI RYOKAKU TETSUDO KK0 citations35