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POLYPLASTICS CO

Overview
  • Total Patents
    4,579
  • GoodIP Patent Rank
    2,722
  • Filing trend
    ⇧ 6.0%
About

POLYPLASTICS CO has a total of 4,579 patent applications. It increased the IP activity by 6.0%. Its first patent ever was published in 1971. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets macromolecular chemistry and polymers, machines and basic materials chemistry are WINTECH POLYMER LTD, POLYPLASTICS KK and EMS-PATENT AG.

Patent filings per year

Chart showing POLYPLASTICS COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hijikata Kenji 282
#2 Nakane Toshio 229
#3 Harashina Hatsuhiko 215
#4 Kawaguchi Kuniaki 195
#5 Tajima Yoshihisa 168
#6 Yamamoto Kaoru 152
#7 Okawa Hidetoshi 151
#8 Miyashita Takayuki 151
#9 Serizawa Hajime 150
#10 Kageyama Yukihiko 129

Latest patents

Publication Filing date Title
WO2021065573A1 Resin molded article having matte surface, and method for forming matte surface on resin molded article
WO2021060096A1 Casing member for in-vehicle camera
WO2021065417A1 Liquid crystalline resin composition and electronic component comprising molded article of said liquid crystalline resin composition
WO2021065416A1 Liquid crystalline resin composition for ball bearing anti-sliding abrasion member, and ball bearing anti-sliding abrasion member using same
WO2021065161A1 High-frequency signal transmission component
WO2021020094A1 Flame-retardant poly(butylene terephthalate) resin composition
WO2021020095A1 Flame-retardant poly(butylene terephthalate) resin composition
WO2021006041A1 Molded body, composite molded body, and method for producing composite molded body
WO2021065094A1 Polybutylene terephthalate resin composition
WO2021059608A1 Interior automotive component constituted of polyacetal resin
WO2021039003A1 Polyacetal resin composition and production method therefor
WO2020246335A1 Resin composition and method for producing same
WO2020230890A1 Liquid crystalline resin composition and molded body using same
WO2020250610A1 Composite member and method for producing same
JP2020185786A Resin molded product with printable part and printing method for resin molded product
WO2020204188A1 Production method for cyclic olefin copolymer
WO2020204187A1 Cyclic olefin copolymer production method
WO2020204125A1 Fully aromatic polyester and polyester resin composition
WO2020204124A1 Wholly aromatic polyester and polyester resin composition
WO2020196470A1 Method for improving tracking resistance of thermoplastic resin