Inventor
HAGIWARA KATSUNOBU
JP13 patents
⚠️ This page may combine multiple inventors who share the name “HAGIWARA KATSUNOBU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOBE STEEL LTD
9 patentsUS4718771AJan 12, 1988
Closed mixing machine
KOBE STEEL LTD38 citations92
US4304539ADec 8, 1981
Extruder with roller die
KOBE STEEL LTD34 citations92
US5520455AMay 28, 1996
Batch type kneader having specified parameters and chamfered lands
KOBE STEEL LTD31 citations87
US5562358AOct 8, 1996
Rim clamping device for a tire uniformity machine
KOBE STEEL LTD19 citations82
US4859074AAug 22, 1989
Closed mixing machine
KOBE STEEL LTD15 citations81
US7854542B2Dec 21, 2010
Batch mixer and mixing rotor used in the same
KOBE STEEL LTD7 citations73
US5607703AMar 4, 1997
Roller head extruder unit
KOBE STEEL LTD8 citations72
US5372419ADec 13, 1994
Internal mixer having two speed gearing
KOBE STEEL LTD15 citations70
US4986745AJan 22, 1991
Roller head opening and closing apparatus in roller head extruder
KOBE STEEL LTD3 citations62