Inventor
TOMIZAWA YUTAKA
JP4 patents
Patents
4 patentsUS9312770B2Apr 12, 2016
Power converter
TOYO SYSTEM CO LTD3 citations70
US12449480B2Oct 21, 2025
Battery test device and battery charge testing method
TOYO SYSTEM CO LTD0 citations48
US12476478B2Nov 18, 2025
Battery charge/discharge testing device and battery discharge power control method
TOYO SYSTEM CO LTD0 citations47
US12072385B2Aug 27, 2024
Charge and discharge testing device
TOYO SYSTEM CO LTD0 citations47