Learn more

MARUSEI HEAVY INDUSTRY WORKS L

Overview
  • Total Patents
    15
About

MARUSEI HEAVY INDUSTRY WORKS L has a total of 15 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 chemical engineering are ZHURBA MIKHAIL G, NIKKI CHEMCAL CO LTD and KAWASAKI GIKEN KK.

Patent filings in countries

World map showing MARUSEI HEAVY INDUSTRY WORKS Ls patent filings in countries
# Country Total Patents
#1 Japan 15

Patent filings per year

Chart showing MARUSEI HEAVY INDUSTRY WORKS Ls patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Nakajo Katsuyoshi 4
#2 Deguchi Shuji 4
#3 Nagai Kenichi 3
#4 Nakamori Masahiro 2
#5 Matsumiya Kunio 2
#6 Ono Yoshitaka 2
#7 Hiura Akizumi 2
#8 Murata Koji 1
#9 Nomura Akio 1
#10 Morio Toshibumi 1

Latest patents

Publication Filing date Title
JP2003105743A Tractive power saving device for mooring rope for ship
JP2003056053A Odor shut-off device for sewage facilities
JP2002256536A Automatic flow rate adjusting rotary gate used for channel
JP2002018315A Air classifying crushing device of solid material treating facility using pneumatic transportation and usage of the device
JP2002013123A Spray nozzle header pipe for washing screen
JP2001115434A Bar screen for sewage treatment
JP2000273844A Net place for intake of river
JP2000226837A Backward tilting pull-up dust collector
JP2000117013A Superfine type filter for filtering seawater or the like
JP2000085938A Cleaner device for flight conveyer
JPH11280043A Waste remover with rake having large-scale waste scraping up reject member
JPH11241329A Carrying-out method for trash caught by sea water screen
JPH11221409A In-line type sheet piece applied drum rotary filter
JPH11124837A Maintenance of screen facility
JPH1193149A Cleaning device for bar rotation type screen