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KOKEN IND CORP

Overview
  • Total Patents
    67
About

KOKEN IND CORP has a total of 67 patent applications. Its first patent ever was published in 1991. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology, optics and mechanical elements are SHEKHOVTSOV IVAN, KHALIKOV TASHPULAT T and PETRASHKEVICH VALERIJ V.

Patent filings in countries

World map showing KOKEN IND CORPs patent filings in countries
# Country Total Patents
#1 Japan 67

Patent filings per year

Chart showing KOKEN IND CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Noda Kenji 17
#2 Sato Nobuhiro 16
#3 Matsumoto Koji 15
#4 Kobayashi Keiichi 10
#5 Kondo Jiro 10
#6 Nakabayashi Shigeki 9
#7 Koga Motoyuki 7
#8 Yanaka Hisayuki 7
#9 Endo Yasuo 3
#10 Sugiyama Motoya 3

Latest patents

Publication Filing date Title
JP2012087543A Construction method of tunnel bottom structure provided with drainage equipment
JP2011179213A Foundation structure using concrete block
JP2010261229A Construction method of fireproof water tank underground laying foundation
JP2010196271A Method for reinforcing existing revetment
JP2010189990A Construction method for replacing bridge for small river
JP2010159578A Large-sized retaining wall by precast concrete block
JP2007039897A Precast bridge
JP2005314879A Waste-water treatment system
JP2004346729A Widened road
JP2005002710A Concrete block for constructing sidewalk-roadway boundary body
JP2005002612A River crossing structure and its construction method
JP2004321916A Oil-in-water separating apparatus
JP2004270369A Bridge structure and its construction method
JP2004257098A Construction method for structure with footing
JP2004250898A Construction method of l-shaped retaining wall
JP2003313930A Assembling method for division type box culvert and tension member jointing jig to be used for the assembly
JP2003171975A Buried storage tank
JP2003090196A Joining device between precast concrete members
JP2002357086A Precast concrete member coupling apparatus
JP2002357087A Precast concrete member coupling apparatus