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CHIBA YOHGYOH CO LTD

Overview
  • Total Patents
    31
  • GoodIP Patent Rank
    207,628
About

CHIBA YOHGYOH CO LTD has a total of 31 patent applications. Its first patent ever was published in 1998. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology and civil engineering are MARUEI CONCRETE IND CO LTD, AIPII TSUSHO KK and AKADEMIA PODLASKA W SIEDLCACH.

Patent filings in countries

World map showing CHIBA YOHGYOH CO LTDs patent filings in countries
# Country Total Patents
#1 Japan 31

Patent filings per year

Chart showing CHIBA YOHGYOH CO LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Ikeda Tadami 10
#2 Yoshioka Kazue 7
#3 Ikeda Kimio 6
#4 Morita Hideaki 6
#5 Matsumoto Koji 3
#6 Uchino Masayuki 2
#7 Yuasa Norihito 2
#8 Yoshioka Kazushige 2
#9 Ono Kazuyoshi 1
#10 Mori Masakuni 1

Latest patents

Publication Filing date Title
JP2020128668A Marker block
JP2019124032A Side ditch cover
JP2017193470A Concrete product and manufacturing method of concrete product
JP2014224385A Manhole, mounting structure of manhole cover, and adjustment block for mounting manhole cover
JP2012001876A Infiltration facility
JP2011080316A Joining method of concrete structures
JP2008111281A Concrete member installation structure
JP2006225950A Cylindrical concrete structure
JP2006009247A Precast concrete block for waterway
JP2006009245A Method for constructing box conduit by using box culvert
JP2006009246A Box culvert assembling method
JP2006002426A Caisson construction method for caisson or the like
JP2004244881A Concrete block for waterway and concrete waterway
JP2004211473A Concrete block for waterway and concrete waterway
JP2004060370A Concrete block
JP2003227167A Height adjusting device of concrete member
JP2003064777A Coupling fittings for concrete block
JP2002256576A Block structure of precast retaining wall
JP2002256584A Lid fitting structure of block for utility tunnel
JP2002238119A Tool for opening and closing cover of underground box, and method of opening and closing the cover using the opening and closing tool