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KEIYO GAS KK

Overview
  • Total Patents
    78
  • GoodIP Patent Rank
    171,824
  • Filing trend
    ⇩ 100.0%
About

KEIYO GAS KK has a total of 78 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1988. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology and mechanical elements are LE OTDEL VG PI TEPLOELEKTRO, NI PI GIPROMORNEFT and UNIV DNEPROPETROWSK.

Patent filings in countries

World map showing KEIYO GAS KKs patent filings in countries
# Country Total Patents
#1 Japan 78

Patent filings per year

Chart showing KEIYO GAS KKs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Kawamura Takeaki 23
#2 Takahashi Noboru 16
#3 Nakamura Masahide 12
#4 Wada Hiroyuki 9
#5 Yamaguchi Kazufumi 9
#6 Nagatsuka Takayuki 8
#7 Terunuma Sunao 8
#8 Taniguchi Koji 8
#9 Hirabayashi Hideo 7
#10 Sato Masakuni 6

Latest patents

Publication Filing date Title
JP2019108726A Push-pull structure
JP2019100859A Gas leakage detecting device
JP2018162820A Seal plug device and pipeline sealing method
JP2018162819A Seal plug device and pipeline sealing method
JP2018062021A Hole saw
JP2017087343A Outer pipe cutting device
JP2016004028A Dew-point measuring adapter and gas dew-point meter using the same
JP2015178137A Method for enlarging diameter of existing pipe by non-opening/scraping method and tool used for the same
JP2015145289A Tape sticking method and tape sticking jig, and tape
JP2015040412A Cutter of cutting and diameter expanding tool, and cutting diameter expanding tool using the same
JP2014098273A Non-open-cut replacement method and structure of underground pipe
JP2014066137A Tubular flame burner for stirling engine, and power generating system
JP2013148190A Removal method of piping branched member
JP2012241744A Joint for flexible tube
JP2012112440A Seal member, and method of manufacturing the same
JP2012036955A No-blow bag for work, and mounting method of no-blow bag for work,
JP2012036954A No-blow bag for work, and mounting method of no-blow bag for work
JP2012013663A Support for gas meter
JP2011099273A Pulling-in device
JP2011033052A Spacer jig and method of cutting existing pipe using the same