Inventor
TOHJI YUTAKA
JP8 patents
⚠️ This page may combine multiple inventors who share the name “TOHJI YUTAKA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOBE STEEL LTD
6 patentsUS6148548ANov 21, 2000
Construction machine
KOBE STEEL LTD61 citations95
US6050090AApr 18, 2000
Control apparatus for hydraulic excavator
KOBE STEEL LTD66 citations95
US5970709AOct 26, 1999
Hydraulic control circuit in a hydraulic excavator
KOBE STEEL LTD83 citations95
US6378303B1Apr 30, 2002
Hydraulic control device of a working machine
KOBE STEEL LTD58 citations94
US5950430ASep 14, 1999
Construction machine
KOBE STEEL LTD42 citations91
US5743089AApr 28, 1998
Hydraulic control system
KOBE STEEL LTD25 citations91