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KOYAMA KOSAKUSHO KK

Overview
  • Total Patents
    14
About

KOYAMA KOSAKUSHO KK has a total of 14 patent applications. Its first patent ever was published in 1985. It filed its patents most often in Japan. Its main competitors in its focus markets civil engineering are ARUINKO KK, AUS STRUCT SERVICES PTY LTD and PRZED ROBOT IZOLACYJNYCH.

Patent filings in countries

World map showing KOYAMA KOSAKUSHO KKs patent filings in countries
# Country Total Patents
#1 Japan 14

Patent filings per year

Chart showing KOYAMA KOSAKUSHO KKs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering

Focus technologies

# Technology
#1 Scaffolding

Top inventors

# Name Total Patents
#1 Tsuda Hisashi 9
#2 Koyama Takeki 5
#3 Okamoto Tetsumi 2
#4 Tanabiki Takeshi 2
#5 Tanabe Hiroshi 1
#6 Yoshida Yasuyuki 1

Latest patents

Publication Filing date Title
JP2008045342A Pile foundation structure and pile head treatment method
JP2006265999A Basic structure of independent pile without basic beam
JP2005350178A Elevator device for building
JP2005299350A Up-and-down room unit of building and building having it
JP2002129755A Barrier-free repair method for building
JP2001140350A Method of assembling wood rigid frame and temporary scaffold
JPH1122003A Method for assembling wooden rigid frame
JPH08309728A Method and apparatus for finishing inner surface of concrete tube
JPH09193131A Method for finishing internal surface of concrete pipe and device
JPH06254830A Preparation of concrete pipe
JPH0647730A Method and apparatus for finishing internal surface of concrete pipe
JPH0639826A Method and device for finishing internal surface of concrete pipe
JPS6229642A Opening part of building
JPS61254728A Joint part of building