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TOHO RAYON KK

Overview
  • Total Patents
    567
About

TOHO RAYON KK has a total of 567 patent applications. Its first patent ever was published in 1953. It filed its patents most often in Japan, United States and EPO (European Patent Office). Its main competitors in its focus markets textiles and paper, macromolecular chemistry and polymers and machines are TOHO BESLON CO, RHODIA INDUSTRIAL YARNS AG and HITCO.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Ogawa Hiroyasu 68
#2 Nagata Yasuhisa 58
#3 Okada Haruo 47
#4 Nagai Kazuhiro 42
#5 Ando Masato 33
#6 Shimazaki Kenji 33
#7 Takeuchi Ichirou 31
#8 Tanaka Takayuki 27
#9 Endo Yoshihiro 25
#10 Nakama Katsumi 22

Latest patents

Publication Filing date Title
JP2001271231A Polyacrylonitrile-based oxidized fiber, carbon fiber structure and method for producing carbon fiber structure
JP2001240168A Precursor package for carbon fiber and its production method
JP2001214334A Method for continuously producing carbon fiber chopped strand
JP2001207377A Surface-modified carbon fiber
JP2001179842A Rotating body
JP2001159073A Antimicrobial acrylic moisture-absorbing or releasing fiber, method for producing the same, and blended yarn
JP2001146678A Moisture-absorbing and releasing fiber, its production and mix-spun fiber
JP2001146364A Winder
JP2001123354A Reinforcing fiber-woven fabric, prepreg, fiber-reinforced composite material, and production of reinforcing fiber- woven fabric
JP2001073276A Fiber processed with catechin and its production
JP2001070969A Water cleaning method comprising bonding metal to carvon fiber and apparatus therefor
JP2001031838A Epoxy resin composition for self-adhesive facing material and prepreg
JP2000355880A Supply of knitted and woven fabric with antimicrobial property
JP2000355629A Molding material impregnated with thermoplastic resin and its production
JP2000345436A Production of carbon fiber
JP2000337351A Roller made of carbon fiber reinforced resin composite material
JP2000313068A Method and device for producing sheetlike reinforcement
JP2000309021A Manufacture of prepreg
JP2000301643A Disc-shaped member and production thereof
JP2000301612A Production of cylindrical body