Inventor
MARUO TSUYOSHI
JP25 patents
⚠️ This page may combine multiple inventors who share the name “MARUO TSUYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
24 patentsUS10522853B2Dec 31, 2019
Fuel cell system, fuel cell vehicle and control method of fuel cell system
TOYOTA MOTOR CO LTD2 citations73
US10483572B2Nov 19, 2019
Flow control method of cooling medium in a fuel cell system, and fuel cell system
TOYOTA MOTOR CO LTD2 citations73
US9819035B2Nov 14, 2017
Fuel cell system
TOYOTA MOTOR CO LTD2 citations73
US10388974B2Aug 20, 2019
Fuel cell system and emergency stop method
TOYOTA MOTOR CO LTD3 citations72
US10312532B2Jun 4, 2019
Residual water scavenging processing method in fuel cell system and fuel cell system
TOYOTA MOTOR CO LTD1 citations62
US12489124B2Dec 2, 2025
Fuel cell system
TOYOTA MOTOR CO LTD0 citations52
US10074865B2Sep 11, 2018
Fuel cell system and fuel cell system control method
TOYOTA MOTOR CO LTD0 citations52
US9825317B2Nov 21, 2017
Fuel cell system and control method of the same
TOYOTA MOTOR CO LTD0 citations52
US11621431B2Apr 4, 2023
Fuel Cell System
TOYOTA MOTOR CO LTD0 citations51
US11322760B2May 3, 2022
Fuel cell system and method for controlling fuel cell system
TOYOTA MOTOR CO LTD0 citations51
US11437636B2Sep 6, 2022
Fuel cell system
TOYOTA MOTOR CO LTD0 citations50
US11196066B2Dec 7, 2021
Fuel cell system
TOYOTA MOTOR CO LTD0 citations50
US10804551B2Oct 13, 2020
Fuel cell system and remaining water purging control method
TOYOTA MOTOR CO LTD0 citations50
US11621430B2Apr 4, 2023
Fuel cell system
TOYOTA MOTOR CO LTD0 citations47
US10090539B2Oct 2, 2018
Fuel cell system
TOYOTA MOTOR CO LTD0 citations42
US10553885B2Feb 4, 2020
Power supply system and voltage control method of fuel cell
TOYOTA MOTOR CO LTD0 citations41
US10476092B2Nov 12, 2019
Fuel cell system, fuel cell mountable vehicle and method of controlling fuel cell system
TOYOTA MOTOR CO LTD0 citations41
US10424799B2Sep 24, 2019
Fuel cell system and control method thereof
TOYOTA MOTOR CO LTD0 citations41
US10381668B2Aug 13, 2019
Operation control method of fuel cell and operation control apparatus of fuel cell
TOYOTA MOTOR CO LTD0 citations41
US9991528B2Jun 5, 2018
Fuel cell system
TOYOTA MOTOR CO LTD0 citations41
US9941532B2Apr 10, 2018
Fuel cell system and control method of fuel cell system
TOYOTA MOTOR CO LTD0 citations41
US9941530B2Apr 10, 2018
Fuel cell system including water content estimation
TOYOTA MOTOR CO LTD0 citations41
US9899690B2Feb 20, 2018
Method of discharging water from fuel cell and fuel cell system
TOYOTA MOTOR CO LTD0 citations41
US10516179B2Dec 24, 2019
Fuel cell system and method of controlling the same
TOYOTA MOTOR CO LTD0 citations39