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NAKAGAWA SPECIAL STEEL CO INC

Overview
  • Total Patents
    17
  • GoodIP Patent Rank
    195,353
About

NAKAGAWA SPECIAL STEEL CO INC has a total of 17 patent applications. Its first patent ever was published in 2003. It filed its patents most often in Japan, China and Taiwan. Its main competitors in its focus markets materials and metallurgy, environmental technology and surface technology and coating are LEI XIANQIN, MAANSHAN FULAIYI ENV PROT TECH CO LTD and NINGBO CHUANNING ENVIRONMENTAL PROT TECHNOLOGY CO LTD.

Patent filings in countries

World map showing NAKAGAWA SPECIAL STEEL CO INCs patent filings in countries
# Country Total Patents
#1 Japan 8
#2 China 3
#3 Taiwan 2
#4 WIPO (World Intellectual Property Organization) 2
#5 EPO (European Patent Office) 1
#6 Hong Kong 1

Patent filings per year

Chart showing NAKAGAWA SPECIAL STEEL CO INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Watanabe Toyofumi 12
#2 Yoshida Mitsunobu 3
#3 Nakatsuka Satoru 3
#4 Watanabe Hiroshi 3
#5 Nakasaka Tomoji 3
#6 Hirano Yuki 2
#7 Ono Takashi 2
#8 Nogi Hidenobu 2
#9 Maruko Nobuhiro 2
#10 Nakata Tomoyuki 2

Latest patents

Publication Filing date Title
JP2020171972A Burnishing device and burnishing method
WO2016038701A1 Method for cleaning wire and device therefor
JP2012156738A Antenna structure
JP2012105092A Antenna core, antenna using the antenna core, and manufacturing method of the antenna core
JP2012034661A Can for ocean-greening, method for using can for ocean-greening, and method for manufacturing can for ocean-greening
JP2011153353A Iron powder mixture, method for using iron powder mixture, and method for producing iron powder mixture
JP2011092082A Member and method for feeding iron ions
JP2010258641A Antenna core, and method of manufacturing the same
JP2009110998A Antenna core and antenna using same, and manufacturing method thereof