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KASAI TOSHIYASU

Overview
  • Total Patents
    18
About

KASAI TOSHIYASU has a total of 18 patent applications. Its first patent ever was published in 1962. It filed its patents most often in Switzerland, Austria and Canada. Its main competitors in its focus markets textiles and paper, organic fine chemistry and macromolecular chemistry and polymers are SUQIAN UNITECH CORP LTD, JOHOKU CHEMICAL CO LTD and FARBENFABRIKEN AG.

Patent filings in countries

World map showing KASAI TOSHIYASUs patent filings in countries
# Country Total Patents
#1 Switzerland 6
#2 Austria 4
#3 Canada 3
#4 Germany 2
#5 Japan 2
#6 Belgium 1

Patent filings per year

Chart showing KASAI TOSHIYASUs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kasai Toshiyasu 11
#2 Toshiyasu Kasai 5
#3 Kasugai Hiroyuki 1
#4 Senshu Hisahi 1
#5 Hisashi Senshu 1
#6 Yamashita Masao 1
#7 Tsuda Masataka 1
#8 Masao Yamashita 1

Latest patents

Publication Filing date Title
JPS5843904A Fungicide for agricultural and horticultural purpose
JPS5843980A Naphthostyril derivative
DE1445961A1 Naphthalic imides and processes for their preparation
CA752758A Naphthalic acid derivatives
CA803528A Naphthalimide compounds and the preparation and use thereof
CA783061A Process for the preparation of naphthalimide compounds