Inventor
OKUMURA YASUFUMI
JP13 patents
⚠️ This page may combine multiple inventors who share the name “OKUMURA YASUFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KAWASAKI HEAVY IND LTD
8 patentsUS9592840B2Mar 14, 2017
Railcar axle box suspension
KAWASAKI HEAVY IND LTD6 citations71
US9545933B2Jan 17, 2017
Air spring and railcar
KAWASAKI HEAVY IND LTD5 citations71
US10422685B2Sep 24, 2019
Load measuring device for railcar bogie
KAWASAKI HEAVY IND LTD3 citations67
US7004078B2Feb 28, 2006
Truck for railroad car
KAWASAKI HEAVY IND LTD4 citations62
US9573604B2Feb 21, 2017
Railcar bogie
KAWASAKI HEAVY IND LTD1 citations51
US10053119B2Aug 21, 2018
Plate spring cover and railcar bogie including plate spring cover
KAWASAKI HEAVY IND LTD1 citations50
US9802627B2Oct 31, 2017
Railcar bogie
KAWASAKI HEAVY IND LTD1 citations50
US10399579B2Sep 3, 2019
Axle box suspension of railcar bogie
KAWASAKI HEAVY IND LTD0 citations40