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HARA KEIICHI

Overview
  • Total Patents
    32
About

HARA KEIICHI has a total of 32 patent applications. Its first patent ever was published in 1975. It filed its patents most often in Japan, Canada and Australia. Its main competitors in its focus markets chemical engineering, environmental technology and agriculture are TRION A G, PACIFIC AIR FILTRATION HOLDINGS LLC and ZIHOM CO LTD.

Patent filings in countries

World map showing HARA KEIICHIs patent filings in countries
# Country Total Patents
#1 Japan 25
#2 Canada 2
#3 Australia 1
#4 Brazil 1
#5 Germany 1
#6 EPO (European Patent Office) 1
#7 Sweden 1

Patent filings per year

Chart showing HARA KEIICHIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hara Keiichi 28
#2 Nakajima Teruo 3
#3 Suyama Masatoshi 1

Latest patents

Publication Filing date Title
JPH1034015A Electric precipitator
JPH07328475A Electric precipitator
JPH07313902A Electric precipitator
JPH07232099A Electric precipitator
JPH07213946A Electrostatic precipitator
JPH0647310A Electric dust collecting apparatus
JPH0531399A Electric dust collector
JPS63171655A Electrostatic precipitator
JPS63171654A Electrostatic precipitator
JPS6320049A Electrostatic precipitator
JPS6268480A Foldable appliance
JPS6075344A Electric dust-collector
JPS5728155A Synthetic resin
AU2785677A Electrostatic dust precipitator
JPS5318065A Electric dust collector
JPS536971A Electric dust collector
JPS534268A Electric dust collector
JPS534267A Electric dust collector
JPS52121871A Electric dust collector
JPS52121870A Electric dust collector