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SUMIKA POLYCARBONATE LTD

Overview
  • Total Patents
    88
  • GoodIP Patent Rank
    16,383
  • Filing trend
    ⇩ 40.0%
About

SUMIKA POLYCARBONATE LTD has a total of 88 patent applications. It decreased the IP activity by 40.0%. Its first patent ever was published in 2014. It filed its patents most often in Japan, Republic of Korea and Taiwan. Its main competitors in its focus markets macromolecular chemistry and polymers, optics and machines are SUMIKA STYRON POLYCARBONATE, TOYO STYRENE CO LTD and ZHEJIANG JIUYUN AUTO PARTS CO LTD.

Patent filings in countries

World map showing SUMIKA POLYCARBONATE LTDs patent filings in countries

Patent filings per year

Chart showing SUMIKA POLYCARBONATE LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sakaki Yoichiro 31
#2 Nagao Atsushi 27
#3 Kato Yoshihiko 14
#4 Tanimura Hiroyuki 11
#5 Nakaishi Eiji 9
#6 Sakaki Yohichiroh 8
#7 Kida Eriko 8
#8 Nagano Keisai 8
#9 Sakaguchi Keiko 7
#10 Horisawa Kazufumi 6

Latest patents

Publication Filing date Title
WO2021025097A1 Wavelength-selective transmissive polycarbonate resin composition
JP2020100849A Aromatic polycarbonate resin composition and optical molding
JP2020100837A Aromatic polycarbonate resin composition and optical molding
JP2020063450A Polycarbonate resin composition for vehicle light guide
JP2020050883A Polycarbonate resin composition for vehicle light guide and vehicle light guide
JP2020139141A Aromatic polycarbonate resin composition and optic molding
WO2020054223A1 Fiber-reinforced polycarbonate resin composition
JP2021004336A Fiber-reinforced polycarbonate resin composition
JP2020139010A Aromatic polycarbonate resin composition and optic molding
JP2020132836A Aromatic polycarbonate resin composition and optical molded article
WO2019146693A1 Aromatic polycarbonate resin composition and optical molded article
JP2020097709A Aromatic polycarbonate resin composition and optical molding
JP2019031675A Light guide for vehicle lamp
JP2019131786A Aromatic polycarbonate resin composition and optical molded article
JP2020037632A Flame-retardant polycarbonate resin composition and molded article containing the same
CN111094452A Flame-retardant polycarbonate resin composition
JP2020007408A Polycarbonate resin composition for transport machine window
JP2019206650A Flame-retardant polycarbonate resin composition
JP2019157036A Fiber-reinforced polycarbonate resin composition
JP2019143084A Flame-retardant polycarbonate resin composition and electronic device body containing the same