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KEIYO KOGYO KK

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    202,527
  • Filing trend
    ⇩ 66.0%
About

KEIYO KOGYO KK has a total of 11 patent applications. It decreased the IP activity by 66.0%. Its first patent ever was published in 1994. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology and machines are SUZHOU DATONG ADVANCED MATERIAL CO LTD, MATSUDA SEISAKUSHO and SEIEI KK.

Patent filings in countries

World map showing KEIYO KOGYO KKs patent filings in countries
# Country Total Patents
#1 Japan 11

Patent filings per year

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

Focus industries

Top inventors

# Name Total Patents
#1 Matsumoto Yasuhiro 10
#2 Hayashi Tatsu 8
#3 Sakaguchi Masayuki 4
#4 Tsuyusaki Masamitsu 1
#5 Doi Yoichi 1
#6 Hanamiya Kazuhisa 1
#7 Niwa Hiroyuki 1

Latest patents

Publication Filing date Title
JP2019143794A Underground pipe protection method and protection structure
JP2019112916A Protection method of buried pipe and protection structure
JP2019113175A Structure for protecting joint part in underground pipe
JP2019112917A Protection method of buried pipe and protection structure
JP2014111343A Fusion joint method and fusion joint apparatus of synthetic resin tubes
JP2013256098A Method and apparatus for molding of plastic sheet
JP2007277967A Floor plate
JP2006214100A Laying plate equipped with special anti-skid structure
JP2004190310A Washing system for waste disposal in toilet bowl
JP2002361614A Assembly of plate-shaped woody material
JPH07265837A Production of granular material formed of industrial waste as main raw material