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TOYO RAYON CO LTD

Overview
  • Total Patents
    636
About

TOYO RAYON CO LTD has a total of 636 patent applications. Its first patent ever was published in 1954. It filed its patents most often in France, United Kingdom and Germany. Its main competitors in its focus markets macromolecular chemistry and polymers, organic fine chemistry and machines are SIR SOC ITALIANA RESINE SPA, KYOWA YUKA KK and DAIREN CHEMICAL CORP.

Patent filings in countries

World map showing TOYO RAYON CO LTDs patent filings in countries
# Country Total Patents
#1 France 179
#2 United Kingdom 176
#3 Germany 149
#4 United States 88
#5 Canada 14
#6 Switzerland 10
#7 Spain 9
#8 Austria 7
#9 Sweden 2
#10 Belgium 1
#11 Brazil 1

Patent filings per year

Chart showing TOYO RAYON CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ito Yoshikazu 16
#2 Yoshikazu Ito 16
#3 Nakanishi Ryoji 12
#4 Yuguchi Sadao 11
#5 Wakamatsu Shigeru 10
#6 Nukushina Kenji 10
#7 Yoda Naoya 8
#8 Otani Seiya 8
#9 Kurihara Masaru 7
#10 Tamai Isamu 7

Latest patents

Publication Filing date Title
DE1964815A1 Process for automatic bobbin change in a textile machine and device for carrying out the process
US3754041A Long chain unsaturated nitro compounds
DE1954502A1 Polyester threads
FR2020266A1 Yarn of synthetic fibre
US3658730A Gas producing compositions containing azodicarbonamide
DE1934077A1 Process for the production of heat-resistant molded or pressed bodies
US3597492A Process for converting toluene to benzene and xylene
DE1916536A1 Coating compound for electrodeposition
DE1916149A1 Process for the preparation of lactams from cycloalkanone oximes
DE1910344A1 New lactam dicarboxylic acids and processes for their preparation
DE1906630A1 Method and apparatus for producing cellular rods from thermoplastic resin
ES363091A1 Procedure for the supply of fiber of a system of spinning that uses air flow and centrifugal force. (Machine-translation by Google Translate, not legally binding)
DE1901292A1 Process for the preparation of amide acid oligomer compositions
ES361218A1 An improved apparatus of reaction of solids with liquid, of the counter-current type. (Machine-translation by Google Translate, not legally binding)
US3553278A Process for the disproportionation of toluene
DE1811588A1 Thermally stable film-forming compositions and processes for their production
DE1806884A1 Improving the basic dye affinity of polyesters
DE1795330A1 Condensed pyrrole compounds and process for their preparation
ES357779A1 A perfected hilar apparatus for making thread of textile fibers. (Machine-translation by Google Translate, not legally binding)
US3621087A Process for the preparation of acrylic fibers with odd-shaped sections