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MITSUBISHI PAPER MILLS LTD

Overview
  • Total Patents
    13,349
  • GoodIP Patent Rank
    1,427
  • Filing trend
    ⇧ 17.0%
About

MITSUBISHI PAPER MILLS LTD has a total of 13,349 patent applications. It increased the IP activity by 17.0%. Its first patent ever was published in 1961. It filed its patents most often in Japan, United States and Germany. Its main competitors in its focus markets optics, textiles and paper and environmental technology are SCHOELLER FELIX JUN FOTO, OJI PAPER CO and FOTO WEAR INC.

Patent filings per year

Chart showing MITSUBISHI PAPER MILLS LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hyodo Kenji 348
#2 Takaoka Kazuchiyo 283
#3 Hiraishi Shigetoshi 280
#4 Tanaka Akira 267
#5 Matsushita Toshihiko 257
#6 Furukawa Akira 242
#7 Morishita Sadao 241
#8 Nakagawa Kunihiro 241
#9 Tsubakii Yasuo 238
#10 Yoshida Akio 223

Latest patents

Publication Filing date Title
WO2021039330A1 Jig for cell or tissue cryopreservation
WO2020250766A1 Fixture of cryopreservation jig and freezing and thawing method using said fixture
WO2020203563A1 Etching liquid for liquid crystal polymer and method for etching liquid crystal polymer
WO2020203480A1 Filter material for air filter
WO2020196215A1 Separator for solid electrolytic capacitor
WO2020189597A1 Separator for lithium ion batteries
WO2020189433A1 Total heat exchange element
JP2020167386A Separator for solid electrolytic capacitor
JP2020161473A Separator for lithium-ion battery
WO2020166653A1 Enthalpy exchange element paper and enthalpy exchange element
WO2020195284A1 Transfer paper and transfer printing method
JP2020152897A Thermally conductive sheet
WO2020158610A1 Etching liquid for resin compositions and etching method
WO2020145240A1 Semi-permeable membrane support and method for producing semi-permeable membrane support
JP2020165070A Transfer paper
WO2020129845A1 Positive dry film resist and etching method
JP2020165071A Transfer paper
TW202028428A Etching solution for resin composition and etching method
JP2020036022A Heat dissipation sheet substrate
WO2020059582A1 Non-woven fabric for electromagnetic wave shielding materials and electromagnetic wave shielding material