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NIPPON POLYURETHANE KOGYO KK

Overview
  • Total Patents
    1,321
  • GoodIP Patent Rank
    236,039
About

NIPPON POLYURETHANE KOGYO KK has a total of 1,321 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and China. Its main competitors in its focus markets macromolecular chemistry and polymers, basic materials chemistry and machines are KHANTSMEN INTERNESHNL LLS, CASATI FRANCOIS M and JIANGSU ZHONGKE JINLONG CHEMICAL CO LTD.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Sasahara Toshiaki 155
#2 Konishi Shin 146
#3 Fukami Takao 83
#4 Morikawa Yukihiro 80
#5 Yoshida Mitsuhiro 71
#6 Kanetani Koji 65
#7 Sasaki Kazuki 61
#8 Wada Hachiro 61
#9 Morishima Takeshi 60
#10 Yoshii Naoya 55

Latest patents

Publication Filing date Title
WO2014132736A1 Moisture-curable organic polyisocyanate composition and water-swelling water cutoff material
JP2015017183A Polyether polycarbonate polyol composition, production method of the composition, thermoplastic polyurethane resin for optical member using the composition, and optical molded article, optical sheet, optical film and light-emitting element sealing material using the resin
JP2014141594A Integral skin polyurethane foam
JP2013136731A Polyurethane resin-forming composition for optical member
JP2013116942A Polyurethane forming composition for optical member, and optical part made of the same
JP2013023510A Rigid polyurethane foam composition
WO2012002370A1 Polyurethane resin-forming composition and sealant
JP2012255101A Polyisocyanate composition using allophanate isocyanurate-producing catalyst, method for producing the same, and two package coating composition using the same
JP2012245493A Allophanate isocyanurate catalyst, and method of manufacturing the same
JP2012241117A Thermosetting polyurethane elastomer-forming composition, and method for producing thermosetting polyurethane elastomer
JP2012233088A Thermoplastic polyurethane resin composition
WO2011145446A1 Polyurethane resin forming composition
JP2012224712A Soft polyurethane foam and method for producing the same
JP2012193253A Highly hydrophilic aqueous polyurethane resin dispersion composition
WO2011122180A1 Polyurethane resin-forming composition and hydroinflating water-sealing material for steel sheet pile
WO2011114849A1 Organic polyisocyanate composition, water-sealing material forming composition, and water swelling water-sealing material
KR20110095142A Polyisocynate composition for hard polyurethane foam for foaming cyclopentame, and method for producing hard polyurethane foam using the same
JP2012144655A Solventless type polyurethane resin-formable adhesive composition for fibrous base material, laminate using the adhesive composition and method for producing the laminate
JP2012107119A Flexible polyurethane foam for carpet
JP2012107101A Self restoring-type formable coating composition and coating method