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TOMOEGUMI IRON WORKS

Overview
  • Total Patents
    213
About

TOMOEGUMI IRON WORKS has a total of 213 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan and Canada. Its main competitors in its focus markets civil engineering, machine tools and environmental technology are GUANGXI METALLURG CONSTRUCTION CORP, MARUFUJI SHEET PILING and CMTCC SHANGHAI 13TH CONSTR CO.

Patent filings in countries

World map showing TOMOEGUMI IRON WORKSs patent filings in countries
# Country Total Patents
#1 Japan 212
#2 Canada 1

Patent filings per year

Chart showing TOMOEGUMI IRON WORKSs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yamada Takeshi 24
#2 Suzuki Motoo 20
#3 Kikuchi Masatoshi 20
#4 Takahashi Hideyoshi 17
#5 Moriyama Masaru 13
#6 Yamada Takehiko 12
#7 Ueki Takashi 11
#8 Okabe Tetsuo 11
#9 Oota Motoji 11
#10 Kubodera Isao 10

Latest patents

Publication Filing date Title
JPH04220191A High heat input welding method and cooling system
JPH04203077A Electromagnetic wave shield construction of electric cable
JPH04203076A Electromagnetic wave shield construction
JPH04203075A Electromagnetic wave shield construction of twin building
JPH04203078A Electromagnetic wave shield construction
JPH04203074A Electromagnetic wave shield construction
JPH04202981A Outside air intake for air conditioning in electromagnetic wave shielded structure
JPH04199789A Electromagnetic wave shielding structure for penetrating tube
JPH04199788A Electromagnetic wave shielding structure for water supply/drain tube
JPH04202980A Electromagnetic wave shielded structure for multistory building
JPH04199787A Electromagnetic wave shielding structure for electric cable
JPH04185834A Space truss structure and construction method thereof
JPH04167975A Steel floor sheet welding equipment
JPH04169627A Construction method for solid structure without support
JPH04131445A Space frame construction
JPH04106237A Conjunction part stricture of post and beam
JPH04106277A Doorway of building
JPH0493465A Pedestrian deck for maintenance and management
JPH0460038A Constructing method of large span dome roof
JPH0427046A Method for constructing large-space dome roof