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NANKAI KAGAKU KOGYO KK

Overview
  • Total Patents
    13
About

NANKAI KAGAKU KOGYO KK has a total of 13 patent applications. Its first patent ever was published in 1978. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology are TAKAMURA KENZAI KOGYO KK, NIPPON KIKO KK and DULNEV PETRO HEORHIIOVYCH.

Patent filings in countries

World map showing NANKAI KAGAKU KOGYO KKs patent filings in countries
# Country Total Patents
#1 Japan 13

Patent filings per year

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

Focus industries

Top inventors

# Name Total Patents
#1 Koyanagi Mitsuhiro 6
#2 Kageyama Kazuo 3
#3 Okunaka Yoshiaki 1
#4 Iwatsubo Toshiji 1
#5 Chikasawa Takashi 1
#6 Tsurumi Koji 1
#7 Minamikawa Kikuo 1
#8 Ishikawa Koji 1
#9 Kitajima Toyoji 1
#10 Ichiyama Tomio 1

Latest patents

Publication Filing date Title
JP2010037278A Method for producing dibenzylidene alditol
JP2009191001A Method for producing natural type n-acetylglucosamine
JP2009167310A Wood coating composition
JP2009051986A Coating composition for wood
JP2003286232A Method for producing chloropicrin and method for recovering calcium hydroxide in chloropicrin production process
JP2003175913A Seal heater device
JP2002001399A Treatment process of sulfate pitch
JPH11289912A Sterilizing revitalization of prawn culture pond
JPH1042748A Washing of fishing net
JPH09206792A Modified highly bleaching tablet
JPH0691157A Hydrochloric acid synthesizing burner
JPH06134289A Continuous gelling device for organic liquid
JPS5575904A Improvement of production of flame-resisting potassium hypochlorite composition