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NITTETSU STEEL PIPE CO LTD

Overview
  • Total Patents
    14
About

NITTETSU STEEL PIPE CO LTD has a total of 14 patent applications. Its first patent ever was published in 1995. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology are XI AN RONGHUI PATENT PRODUCTS DEV & CONSULTATION CO LTD, JIANQIU ZHANG and MARIUPOLSKIJ METALL KOM.

Patent filings in countries

World map showing NITTETSU STEEL PIPE CO LTDs patent filings in countries
# Country Total Patents
#1 Japan 14

Patent filings per year

Chart showing NITTETSU STEEL PIPE CO LTDs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Iwasaki Toshio 7
#2 Sakagami Takehiko 7
#3 Obata Masaaki 7
#4 Yamamoto Yasushi 5
#5 Ichikawa Yoshihisa 3
#6 Miura Takao 2
#7 Doi Mitsuru 2
#8 Kato Masafumi 2
#9 Hanada Takao 2
#10 Takachi Tsutomu 2

Latest patents

Publication Filing date Title
JP2012040581A Electric resistance welded tube, manufacturing method of electric resistance welded tube, and manufacturing method of tubular product
JP2009113066A Electric resistance welded steel pipe for oil supply pipe
JP2008127682A Method for manufacturing steel pipe for drawing
JP2005140502A Apparatus for detecting residue inside steel pipe
JP2001353542A Method and device for drawing galvanized steel tube
JPH11246942A Galvanized steel tube excellent in bending workability
JPH11246960A Hot dip galvanized steel tube excellent in high strength
JPH11246959A Hot dip galvanizing method of steel tube
JPH11229106A Hot dip galvanizing method for steel tube
JPH11229107A Hot dip zinc-iron alloy plating method for steel tube
JPH1058035A Hoop supply device
JPH09155447A Manufacture of square steel tube of high strength
JPH09143567A Production of high strength steel tube
JPH08239105A Load receiving, delivering and storing device for rodlike material