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SUMIKIN KOZAI KOGYO KK

Overview
  • Total Patents
    145
About

SUMIKIN KOZAI KOGYO KK has a total of 145 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan. Its main competitors in its focus markets civil engineering, machine tools and thermal processes are SHIMAZAKI MIXING EQUIP, ASUPU KK and YAMADAGUMI KK.

Patent filings in countries

World map showing SUMIKIN KOZAI KOGYO KKs patent filings in countries
# Country Total Patents
#1 Japan 145

Patent filings per year

Chart showing SUMIKIN KOZAI KOGYO KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Arai Toshihiro 22
#2 Yamaguchi Masao 12
#3 Matsuoka Masayuki 12
#4 Yoshida Shinji 12
#5 Tatsugi Shinya 10
#6 Hori Shinichi 10
#7 Miura Hidenori 9
#8 Matsumoto Motoo 8
#9 Motohara Yoshinori 8
#10 Nakatani Shigeyuki 8

Latest patents

Publication Filing date Title
JPH10225726A Production of thin wall tube
JPH10227100A Structural section steel for building
JPH10225719A Device for manufacturing structural shape for building
JPH10225717A Manufacture and manufacturing device for thin-walled tube
JPH10225720A Device for manufacturing structural shape for building
JPH10225718A Manufacture of structural shape for building and device therefor
JPH10219696A Mat type cage frame
JPH10219927A Structure shape material for construction and bottom-raised end forming method thereof
JPH10204888A Front face inclined earth retaining cage frame for curved line execution
JPH10204889A Sloped-type sheathing cage frame
JPH10183861A Shape metal for structure
JPH10183859A Structure metal shape
JPH10183858A Structural metal shape and its manufacture
JPH10159323A Temporary handrail of temporary scaffold and assembling and disassembling method of temporary scaffold
JPH10140724A Floor-material fixture made of steel
JPH1088536A Flexible fence
JPH10424A Striped pattern lining method
JPH09316662A One-side finished metallic sheet and laminated sheet using the same metallic sheet
JPH09310361A Underground structure and constructing method thereof
JPH09221760A Temporary coffering structure and method of construction thereof