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NIPPON ENVIRO KOGYO

Overview
  • Total Patents
    108
About

NIPPON ENVIRO KOGYO has a total of 108 patent applications. Its first patent ever was published in 1975. It filed its patents most often in Japan. Its main competitors in its focus markets surface technology and coating, environmental technology and machine tools are DALIAN BLUE CITY ENVIRONMENTAL PROT TECHNOLOGY CO LTD, MA ANSHAN JIECHUANG PLASTICS TECHNOLOGY CO LTD and KANATSU GIKEN KOGYO KK.

Patent filings in countries

World map showing NIPPON ENVIRO KOGYOs patent filings in countries
# Country Total Patents
#1 Japan 108

Patent filings per year

Chart showing NIPPON ENVIRO KOGYOs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kirisawa Tadashi 102
#2 Kawaguchi Masamitsu 3
#3 Watanabe Takahiko 1
#4 Yusa Takehiro 1
#5 Niwa Katsuhiko 1
#6 Kirisawa Tazuko 1
#7 Ishigaki Noboru 1
#8 Tamaoki Koji 1
#9 Miura Takashi 1

Latest patents

Publication Filing date Title
JP2004216361A Filter and filtration method
JP2004033974A Filter
JP2003194466A Nozzle
JP2003166784A Drying device for sheet
JPH1163831A Drier
JPH1151559A Dryer
JPH1133310A Solid/liquid separation tank
JPH10244232A Washing apparatus
JPH08294605A Filter and filtration method
JPH08294606A Filter and filtration method
JPH08187407A Filtration device and filtration
JPH08182902A Filter and filtration
JPH07331471A Washing liquid removing device
JPH07331470A Cleaning and draining device
JPH07227580A Cleaning and draining device
JPH07243073A Washing device
JPH07233796A Pump
JPH07194993A Liquid-removing method for cylindrical body with bottom
JPH0734298A Cap plate locking mechanism of barrel for surface treatment and method for putting works into and out of barrel having the cap plate locking mechanism
JPH06320049A Centrifuge