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TOYO KOATSU IND INC

Overview
  • Total Patents
    274
About

TOYO KOATSU IND INC has a total of 274 patent applications. Its first patent ever was published in 1954. It filed its patents most often in United Kingdom, France and United States. Its main competitors in its focus markets organic fine chemistry, macromolecular chemistry and polymers and materials and metallurgy are JUHUA GROUP TECHNOLOGY CT, JAPAN GAS CHEMICAL CO and SCHOLVEN CHEMIE AG.

Patent filings in countries

World map showing TOYO KOATSU IND INCs patent filings in countries
# Country Total Patents
#1 United Kingdom 61
#2 France 54
#3 United States 48
#4 Canada 42
#5 Germany 42
#6 Switzerland 11
#7 Spain 7
#8 Sweden 5
#9 Australia 1
#10 Belgium 1
#11 Italy 1
#12 Norway 1

Patent filings per year

Chart showing TOYO KOATSU IND INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Otsuka Eiji 28
#2 Inaba Yanosuke 27
#3 Kanai Kazumichi 16
#4 Eiji Otsuka 16
#5 Kimura Goro 16
#6 Yanosuke Inaba 16
#7 Kimoto Koji 14
#8 Ueno Kisaburo 12
#9 Miwa Ichiro 11
#10 Inoue Shigeru 10

Latest patents

Publication Filing date Title
US3694535A Process and apparatus for removing volatile substances from viscous compositions
GB1184129A Method for Treating Soil
AU4299968A Process and apparatus for treating viscous materials
GB1167839A Improvements in or relating to the Stabilizing of Formaldehyde Solution
GB1181612A Production of Adiponitrile
ES346224A1 Procedure to obtain chemical substances avoidable of undesirable vegetation. (Machine-translation by Google Translate, not legally binding)
GB1153110A Process for Synthesising Urea
GB1187616A Production of Adiponitrile
GB1148991A Process for synthesising urea
ES345031A1 Procedure to produce ácido fitico. (Machine-translation by Google Translate, not legally binding)
ES344834A1 Process for the production of Urea
GB1185345A Process for Producing Phytic Acid.
GB1192411A Process for producing Tetroxane
GB1189326A Process for producing Adiponitrile from Acrylonitrile
US3549659A Alpha-alkoxycarbonyl beta-imino gamma-butyrolactones and process for producing the same
US3441579A Organic imino compound metal halide complexes and process for producing the same
ES339899A1 Procedure for the manufacture of a granulated fertilizer compound. (Machine-translation by Google Translate, not legally binding)
GB1124547A Production of urea
ES338579A1 Method to produce granulated urea. (Machine-translation by Google Translate, not legally binding)
GB1109410A Production of granular fertilizer