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KAIHATSU KOGYO KK

Overview
  • Total Patents
    14
About

KAIHATSU KOGYO KK has a total of 14 patent applications. Its first patent ever was published in 1982. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology are YOSHIMURA KASEI KK, HEFEI XIANGRONG ENVIRONMENT PROT TECHNOLOGY CO LTD and AMUZU KK.

Patent filings in countries

World map showing KAIHATSU KOGYO KKs patent filings in countries
# Country Total Patents
#1 Japan 14

Patent filings per year

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

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Takahashi Kosuke 10
#2 Murakami Mitsumasa 4
#3 Handa Harumi 3
#4 Muto Seihachi 2
#5 Yokoki Tsutomu 1

Latest patents

Publication Filing date Title
JP2005211804A Two-stage fine sand filtering device with back washing and its method
JP2005131559A Re-purification treatment method of tap water and re-purification treatment equipment therefor
JP2003290784A Iron and manganese remover and method for the same
JP2003275782A Fine sand-used slow filtration apparatus and operating method therefor
JP2003024717A Pretreatment apparatus for slow filtration
JP2002239309A Slow speed filtering method
JP2001025611A Slow speed filter apparatus and slow speed filtering method
JPH11315520A Colored sand and method for coloring sand
JPH11146835A Retort food heating agent
JPH11137757A Hitting device in golf practice range
JPH10298542A Food-heating agent
JPH09201547A Method and apparatus for removing shell
JPH09155321A Raw refuse processing apparatus
JPS5927097A Tunnel backfill grout execution method