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NIPPON RAYON KK

Overview
  • Total Patents
    73
About

NIPPON RAYON KK has a total of 73 patent applications. Its first patent ever was published in 1961. It filed its patents most often in United States, Switzerland and France. Its main competitors in its focus markets textiles and paper, macromolecular chemistry and polymers and machines are ZHEJIANG CADY IND CO LTD, BOEHME KG DR TH and JIANGSU HI YUWA NEW MAT CO LTD.

Patent filings in countries

World map showing NIPPON RAYON KKs patent filings in countries
# Country Total Patents
#1 United States 22
#2 Switzerland 18
#3 France 12
#4 Germany 9
#5 United Kingdom 7
#6 Austria 4
#7 Sweden 1

Patent filings per year

Chart showing NIPPON RAYON KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Koshimo Akio 16
#2 Kimura Hiroshiro 13
#3 Akio Koshimo 12
#4 Tsuruta Motohiro 11
#5 Motohiro Tsuruta 9
#6 Hiroshiro Kimura 9
#7 Yasuzuka Katsumi 8
#8 Hirohisa Nara 7
#9 Nara Hirohisa 6
#10 Kuga Mutsuo 5

Latest patents

Publication Filing date Title
US3682687A Process for pretreating glass fibers for reinforcing rubber articles
US3591955A Process for producing a slub yarn
DE1910342A1 Crimping thermoplastic synthetic yarn - continuously with friction surface
US3535866A Process and apparatus for producing crimped yarns
US3632728A Simultaneous biaxial drawing process for polyamide films
US3637427A Process for imparting high-elastic recovery to extensible knitted or woven fabrics and product obtained
US3537251A Production of mechanically bundled yarns
US3502766A Process for the improvement of polyamide films
GB1182846A A process for False Twisting the Filaments of Thermoplastic Fibres and apparatus for carrying out said process
US3491524A Apparatus for false twisting filaments of thermoplastics fibers
CH520796A False twisting apparatus
CH501758A Fabric width-shrinking machine
US3522642A Process for improving the elasticity of woven textiles
US3449898A Heater for yarn twister
GB1169260A Improvements in or relating to yarn twisters
US3394984A Iodination or hydroiodination of alkylene bisamide-containing polypropylene fibers dyd with basic dyes
US3413076A Dyeing nitric acid treated formed polypropylene objects containing fatty acid diamides of alkylene diamines
US3510552A Biaxially drawing polyamide film
GB1093377A Novel linear crystallizable copolyetheresters
GB1085408A Process for the improvement of synthetic textile fibres by means of a metallic salt