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YAHAGI CONSTRUCTION CO LTD

Overview
  • Total Patents
    104
  • GoodIP Patent Rank
    42,579
  • Filing trend
    ⇩ 42.0%
About

YAHAGI CONSTRUCTION CO LTD has a total of 104 patent applications. It decreased the IP activity by 42.0%. Its first patent ever was published in 1998. It filed its patents most often in Japan, Republic of Korea and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets civil engineering, environmental technology and materials and metallurgy are JONSEREDS MILJOESYSTEM AB, MEIKO CONSTRUCTION CO LTD and SEOK KANG CO LTD.

Patent filings in countries

World map showing YAHAGI CONSTRUCTION CO LTDs patent filings in countries

Patent filings per year

Chart showing YAHAGI CONSTRUCTION CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kamiya Takashi 61
#2 Oda Yutaka 30
#3 Kobayashi Nozomi 28
#4 Taguchi Takashi 28
#5 Hattori Keiji 24
#6 Kiriyama Kazuya 19
#7 Ueda Yoichi 13
#8 Haginoya Manabu 10
#9 Nomura Noriyuki 9
#10 Kato Mitsuharu 9

Latest patents

Publication Filing date Title
KR20210000926A Reinforecement body for exisiting building and aseismic reinforcement method for existing building
JP2020193483A Concrete exfoliation suppression structure in concrete body
JP2020159091A Turn buckle brace
JP2020148033A Double floor structure of building
JP2020148032A Structural material
JP2020056244A Column-beam joint portion structure of building
JP2019190168A Earthquake strengthening structure of building
JP2019148068A Buckling restraint brace
JP2019138030A Mortar filling machine
JP2019082071A Scaffold lifting device
JP2019073942A Seismic reinforcing structure for existing building
JP2018197487A Plate buckling restriction structure
JP2019027041A Road surface treatment method
JP2019019539A Reinforced concrete structure
JP2017180080A Device and method for regulating temperature of concrete
JP2018127865A Reinforcement soil wall using large-sized sandbag, and earth retaining method using large-sized sandbag
JP2018059364A Tie cutting attachment and tie removal method
JP2016217131A Earthquake-isolation device
JP2017002707A Concrete form and method of forming concrete slab
JP2017105399A Mobile scaffold device