Inventor
FUJIYAMA KAZUTO
JP10 patents
⚠️ This page may combine multiple inventors who share the name “FUJIYAMA KAZUTO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KAWASAKI HEAVY IND LTD
9 patentsUS6125886AOct 3, 2000
Pilot valve
KAWASAKI HEAVY IND LTD16 citations80
US10590963B2Mar 17, 2020
Hydraulic excavator drive system
KAWASAKI HEAVY IND LTD2 citations72
US10273988B2Apr 30, 2019
Fluid pressure system
KAWASAKI HEAVY IND LTD2 citations72
US10167611B2Jan 1, 2019
Hydraulic excavator drive system
KAWASAKI HEAVY IND LTD2 citations72
US10066610B2Sep 4, 2018
Tilting angle control device
KAWASAKI HEAVY IND LTD5 citations72
US10041224B2Aug 7, 2018
Liquid-pressure driving system
KAWASAKI HEAVY IND LTD4 citations72
US9932995B2Apr 3, 2018
Hydraulic excavator drive system
KAWASAKI HEAVY IND LTD4 citations72
US11408531B2Aug 9, 2022
Spool valve
KAWASAKI HEAVY IND LTD3 citations70
US9821840B2Nov 21, 2017
Hydraulic control device and construction machinery including same
KAWASAKI HEAVY IND LTD0 citations40