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NITTO RIKEN KOGYO KK

Overview
  • Total Patents
    12
About

NITTO RIKEN KOGYO KK has a total of 12 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology are PROIZV OB GRANAT N, NI PI TSVETNOJ METALLURG ARMNI and PODHORSKY MILOSLAV.

Patent filings in countries

World map showing NITTO RIKEN KOGYO KKs patent filings in countries
# Country Total Patents
#1 Japan 12

Patent filings per year

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

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Iioi Yasuo 3
#2 Yamaguchi Hachirou 3
#3 Tamao Kouhei 2
#4 Kametani Masaya 2
#5 Kumada Makoto 2
#6 Shimizu Hirofumi 1
#7 Yamamoto Taku 1
#8 Matsumoto Keiji 1
#9 Miyake Norio 1
#10 Ishihara Kenji 1

Latest patents

Publication Filing date Title
JPS5740420A Preparation of 1,1,3,4,4,6-hexamethyl-1,2,3,4- tetrahydronaphthalene
JPS5726652A Reduction of nitrobenzoic acid
JPS56118049A Preparation of unsaturated quaternary ammonium salt
JPS5699467A Preparation of isochromane
JPS5663934A Preparation of 2,6-dihalophenol
JPS5439059A Production and use of novel phosphine compound
JPS5430125A Process for preparing cinnamicalcohol
JPS52102224A Process for manufacturing acetone disulfonic acid ester
JPS52102223A Process for manufacturing acetone disulfonic acid amide
JPS5251387A Preparation of musko-pyridin