Inventor
CHIKUGO HIROYUKI
JP14 patents
⚠️ This page may combine multiple inventors who share the name “CHIKUGO HIROYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOMATSU MFG CO LTD
12 patentsUS9599225B2Mar 21, 2017
Blocking configuration of oil pressure circuit hole
KOMATSU MFG CO LTD5 citations71
US10753376B2Aug 25, 2020
Hydraulic cylinder spool valve device
KOMATSU MFG CO LTD3 citations70
US10655514B2May 19, 2020
Mechanical device
KOMATSU MFG CO LTD2 citations70
US11953807B2Apr 9, 2024
Detection device, mechanical device, and work vehicle
KOMATSU MFG CO LTD0 citations59
US11401700B2Aug 2, 2022
Hydraulic oil monitoring system and hydraulic oil monitoring method
KOMATSU MFG CO LTD0 citations59
US10996164B2May 4, 2021
Oil state detection device, work machine, management system, and oil state detection method
KOMATSU MFG CO LTD1 citations59
US10767748B2Sep 8, 2020
Mechanical device, working vehicle, and deterioration state estimation system and deterioration state estimation method of machine component
KOMATSU MFG CO LTD1 citations56
US9309648B2Apr 12, 2016
Steering device for wheel loader
KOMATSU MFG CO LTD0 citations50
US9309647B2Apr 12, 2016
Steering device for wheel loader
KOMATSU MFG CO LTD0 citations50
US9309646B2Apr 12, 2016
Steering device for wheel loader
KOMATSU MFG CO LTD0 citations50
US11501421B2Nov 15, 2022
Machine device state monitoring system and machine device state monitoring method
KOMATSU MFG CO LTD0 citations48
US10391431B2Aug 27, 2019
Strainer device
KOMATSU MFG CO LTD0 citations39