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TEIJIN DUPONT FILMS JAPAN LTD

Overview
  • Total Patents
    1,275
  • GoodIP Patent Rank
    22,187
About

TEIJIN DUPONT FILMS JAPAN LTD has a total of 1,275 patent applications. Its first patent ever was published in 2001. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and Taiwan. Its main competitors in its focus markets machines, surface technology and coating and optics are DUPONT TEIJIN FILMS US LTD PARTNERSHIP, DUPONT TEIJIN FILMS US LTD and HOECHST TRESPAPHAN GMBH.

Patent filings per year

Chart showing TEIJIN DUPONT FILMS JAPAN LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kubo Koji 196
#2 Kusume Hiroshi 145
#3 Yoshida Tetsuo 136
#4 Koyamamatsu Atsushi 107
#5 Yano Shinji 93
#6 Asai Masato 92
#7 Ono Mitsumasa 87
#8 Okada Shinichiro 87
#9 Oyamatsu Atsushi 74
#10 Oya Taro 72

Latest patents

Publication Filing date Title
CN107111014A Full run-down type area source white reflection film and the full run-down type area source using the film
WO2016080174A1 Biaxially oriented polyester film
JP2016199625A Fire retardant biaxially oriented polyester film for solar battery and protection film for solar battery
JP2016181602A Flame retardant biaxially oriented polyester film for flexible circuit board, and flexible circuit board including the same
JP2016180054A Polyester film
JP2016141751A Copolyester for coating and copolyester water dispersion using the same
JP2016125024A Laminated polyester film
JP2016124218A Laminated polyester film
JP2016124175A Colored biaxially stretched polyester film for metal sheet-laminated fabrication
JP2016098291A Oriented polyester film
JP2016097522A Biaxial oriented polyester film
WO2015072560A1 Polyester film for use in solar cell and protective film, for use in solar cell, comprising said polyester film
WO2015064469A1 Flame-retardant biaxially-oriented polyester film, and flame-retardant polyester film layered body and flexible circuit board comprising same
JP2016040590A Uniaxially oriented laminated polyester film, laminate composed of the same, and polarizing plate
CN105408388A Polyester film
JP2016003262A Polyester resin composition
JP2015231678A Flat film
JP2015222763A Black polyester film for solar batteries
JP2015217582A Laminate film with coated layer
JP2015216213A Polyester film for solar battery backside protective films, and solar battery backside protective film including the same