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KANPAI CO LTD

Overview
  • Total Patents
    23
About

KANPAI CO LTD has a total of 23 patent applications. Its first patent ever was published in 1997. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology and mechanical elements are AMIRI KK, KIMITSU KIKO KK and TOKYO GAS ENG KK.

Patent filings in countries

World map showing KANPAI CO LTDs patent filings in countries
# Country Total Patents
#1 Japan 23

Patent filings per year

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

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Katsuta Tsutomu 12
#2 Suzuki Takehiko 7
#3 Omori Shojiro 5
#4 Ryu Masashi 3
#5 Miwa Shinji 3
#6 Nakajima Makoto 3
#7 Yamauchi Hitoshi 2
#8 Kosuge Uichiro 2
#9 Enomoto Morikazu 2
#10 Abe Hiroshi 2

Latest patents

Publication Filing date Title
JP2006144382A Underground water suction device and underground water suction method
JP2005256945A Pipe support
JP2005248631A Packer and liquid conveying pipe having it
JP2005248632A Liquid injection method, recharge method and chemical grouting method
JP2005156369A Locating method and system of boring rod, program for drilling locus analysis of boring rod, and storage medium
JP2005069390A Existing pipe replacing method and splitter
JP2004176283A Backfill, filler for back filling, and back filling method
JP2003156176A Pipe jacking method and pipe jacking device
JP2003155893A Pipe jacking machine
JP2003096762A Ground improvement method
JP2002030608A Cutting device for paved surface
JP2002154429A Wheel for carriage running in pipe
JP2001232514A Groove cutting device for metal tube
JP2001214451A Ground-water level lowering method and its equipment
JP2001193043A Method for restoring excavated ditch
JP2001132870A Pipe laying method
JP2001064956A Sampling equipment for underground soil sample
JP2001064957A Sampling method for underground soil sample
JP2000304159A Method for pulling off existing long pipe
JP2000248884A Non-open-cut method for laying pipe