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DAIWA STEEL CORP

Overview
  • Total Patents
    30
About

DAIWA STEEL CORP has a total of 30 patent applications. Its first patent ever was published in 1977. It filed its patents most often in Japan, Australia and Belgium. Its main competitors in its focus markets mechanical elements, civil engineering and environmental technology are LONDON & MIDLAND DROP FORGING, ADTONDEO LTD and MERKEL GERALD.

Patent filings in countries

World map showing DAIWA STEEL CORPs patent filings in countries
# Country Total Patents
#1 Japan 23
#2 Australia 2
#3 Belgium 1
#4 Brazil 1
#5 Germany 1
#6 France 1
#7 Italy 1

Patent filings per year

Chart showing DAIWA STEEL CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Komatsu Shigeyuki 14
#2 Takamori Yuichi 14
#3 Nakamura Heihachi 4
#4 Nakahara Hisanao 2
#5 Misaki Norio 2
#6 Imai Minoru 2
#7 Hachiman Toshifumi 2
#8 Kadota Keiji 1
#9 Kato Toshio 1
#10 Nakamura H 1

Latest patents

Publication Filing date Title
JP2012131613A Stacking apparatus for steel bar
JP2010215959A Method for lowering concentration of residual hydrogen in steel bar, and pallet for storing steel bar therein
JP2009162408A Exhaust gas treatment method and exhaust gas treatment equipment for electric furnace
JP2009114729A Threaded reinforcement anchor plate and anchoring structure
JP2003302379A Apparatus and method for eddy-current flaw detecting articulated long-sized material
JP2003126966A Electrode for continuous rolling-jointing device for metal material
JP2003112207A Equipment and method for continuously rolling metallic material
JP2003053402A Method and equipment for continuously rolling metallic material
JP2002346611A Continuous rolling method for metallic materials
JP2002263704A Method and equipment for continuously rolling metallic material
JP2002263723A Roller table unit, roller table for continuous rolling and method for continuously rolling metallic material
JP2002263720A Waiting/delivering apparatus of equipment for continuously rolling metallic material
JP2002263953A Device for deburring junction in continuous rolling of metallic material
JP2002263721A Waiting/delivering apparatus of continuously rolling equipment for metallic material
JP2002263710A Method for adjusting joining position of material to be joined
JP2002263705A Method and equipment for continuously rolling metallic material
JP2002263709A Method for continuously rolling metallic material
JP2002263701A Method for adjusting joining position of material to be jointed
JP2002263708A Method and equipment for continuously rolling metallic material
JPH07230879A Water-cooled jacket for furnace bottom electrode of dc electric furnace