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MITSUI SEKITAN KOGYO KK

Overview
  • Total Patents
    13
About

MITSUI SEKITAN KOGYO KK has a total of 13 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan, Australia and Canada. Its main competitors in its focus markets civil engineering are KAISER RESOURCES LTD, ICG ADDCAR SYSTEMS LLC and KARIMAN STANISLAV ALEKSANDROVICH.

Patent filings in countries

World map showing MITSUI SEKITAN KOGYO KKs patent filings in countries
# Country Total Patents
#1 Japan 8
#2 Australia 2
#3 Canada 2
#4 United States 1

Patent filings per year

Chart showing MITSUI SEKITAN KOGYO KKs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering

Focus technologies

# Technology
#1 Mining
#2 Safety devices

Top inventors

# Name Total Patents
#1 Kimura Osamu 6
#2 Kuroda Yasushi 3
#3 Kuroda Hiroshi 3
#4 Kimura O 2
#5 Kuroda H 2
#6 Osanai Yutaka 1
#7 Koda Mikio 1
#8 Hiraga Tetsuharu 1
#9 Wakui Naomasa 1
#10 Hoshino Kenzo 1

Latest patents

Publication Filing date Title
JPH0657446A Durable coating film and device having the film
JPS63293388A Connector for feeding fluid to body of revolution
JPS59185283A Down-the-hole drilling method utilizing high pressure water
AU5404379A Longwall mining method
JPS55152300A Selffmoving frame for gate
JPS5578792A Stopping method with reduced ground pressure on face working surface
JPS5575097A Ground pressure easing method for working face
JPS5575098A Long wall type method with reduced ground pressure on face working surface