Learn more

NITTETSU MINING CO LTD

Overview
  • Total Patents
    1,146
  • GoodIP Patent Rank
    71,282
About

NITTETSU MINING CO LTD has a total of 1,146 patent applications. Its first patent ever was published in 1973. It filed its patents most often in Japan, United States and EPO (European Patent Office). Its main competitors in its focus markets materials and metallurgy, machines and chemical engineering are NAKATSUKA KATSUTO, NIP RAYMOND LEE and MILLENIUM INORGANIC CHEMICALS.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Nakatsuka Katsuto 188
#2 Atarashi Takafumi 131
#3 Shinko Takashi 101
#4 Tanabe Katsuyuki 84
#5 Mikami Yasuya 73
#6 Kishimoto Akira 66
#7 Mitsuhashi Kohei 51
#8 Tanimura Yuji 46
#9 Inaba Kazuhiro 45
#10 Morita Hiroya 39

Latest patents

Publication Filing date Title
WO2021065732A1 High-concentration iron-based flocculant, and method for producing same
JP2020180038A Method for producing cobalt ferrite particles and cobalt ferrite particles produced by the same
JP2020193140A Manufacturing method of cobalt ferrite particle and cobalt ferrite particle manufactured by the method
WO2020100780A1 Coating solution
JP2020082072A Coating liquid
JP2020193053A Fence fitting device and safety fence
JP2020193052A Fence fitting device and safety fence
JP2019205956A Air flow classifier
JP2018086628A Air flow classifier
JP2018086627A Two-class classifier by air flow
JP2018008837A Manufacturing method of ferric polysulfate, and solidification inhibitor for sludge incinerator
JP2016194505A Method of detecting foreign matter in crushed stone
JP2017081771A Production method of lithium carbonate
JP2017047357A Processing method of ferrous pit wastewater
JP2016215148A Bit type crusher
JP2015062852A Manufacturing method of lithium-containing brine with reduced content of magnesium, etc., and electric adsorber suitable for the manufacturing
JP2015052155A Electrolytic tank for regenerating copper-containing deteriorated etchant
JP2014198865A Method for separating rare earth element
JP2014030779A Dust collector
CN103449481A Preparation method of lithium carbonate