Inventor
YAGYU SUMIO
JP29 patents
Patents
29 patentsUS10214876B2Feb 26, 2019
Work machine
KUBOTA KK10 citations83
US10179506B2Jan 15, 2019
Hybrid vehicle
KUBOTA KK8 citations83
US9511761B2Dec 6, 2016
Hybrid vehicle
KUBOTA KK9 citations83
US11805723B2Nov 7, 2023
Working device and working machine having the same
KUBOTA KK2 citations72
US11214152B2Jan 4, 2022
Working device and working machine having the same
KUBOTA KK2 citations72
US11015657B2May 25, 2021
Parallel hybrid power transmission mechanism
KUBOTA KK2 citations72
US10608495B2Mar 31, 2020
Liquid-cooled motor
KUBOTA KK2 citations72
US10574117B2Feb 25, 2020
Stator of electric motor and cooling structure of electric rotating machine
KUBOTA KK5 citations72
US10562388B2Feb 18, 2020
Parallel hybrid power transmission mechanism
KUBOTA KK3 citations72
US11540437B2Jan 3, 2023
Spraying support system for working machine
KUBOTA KK2 citations71
US11283381B2Mar 22, 2022
Power system for a work vehicle
KUBOTA KK4 citations71
US10582657B2Mar 10, 2020
Spreading device
KUBOTA KK2 citations71
US12323037B2Jun 3, 2025
Rotating electrical machine
KUBOTA KK0 citations62
US11621597B2Apr 4, 2023
Fluid cooled motor and cooling device using thereof
KUBOTA KK1 citations62
US11497155B2Nov 15, 2022
Generator unit and working machine
KUBOTA KK1 citations62
US12500483B2Dec 16, 2025
Liquid cooling structure for motor
KUBOTA KK1 citations60
US12552275B2Feb 17, 2026
Work vehicle
KUBOTA KK0 citations59
US12502947B2Dec 23, 2025
Work vehicle
KUBOTA KK0 citations59
US12420875B2Sep 23, 2025
Work vehicle
KUBOTA KK0 citations59
US11273834B2Mar 15, 2022
Work management system and work management method
KUBOTA KK1 citations57
US12311757B2May 27, 2025
Power transmission mechanism
KUBOTA KK0 citations51
US11936280B2Mar 19, 2024
Liquid-cooled motor
KUBOTA KK0 citations51
US11607954B2Mar 21, 2023
Hybrid power transmission mechanism
KUBOTA KK0 citations51
US11479115B2Oct 25, 2022
Attachment structure of generator and working machine
KUBOTA KK0 citations50
US12434549B2Oct 7, 2025
Work vehicle
KUBOTA KK0 citations48
US12391104B2Aug 19, 2025
Work vehicle
KUBOTA KK0 citations48
US12312769B2May 27, 2025
Hybrid system and working machine including hybrid system
KUBOTA KK0 citations48
US12454811B2Oct 28, 2025
Working machine
KUBOTA KK0 citations47
US11963474B2Apr 23, 2024
Spreader device
KUBOTA KK0 citations47