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MITSUBISHI PETROCHEMICAL CO

Overview
  • Total Patents
    7,202
About

MITSUBISHI PETROCHEMICAL CO has a total of 7,202 patent applications. Its first patent ever was published in 1962. It filed its patents most often in Japan, United States and Germany. Its main competitors in its focus markets macromolecular chemistry and polymers, machines and environmental technology are SOLVAY, NESTE OY and CHARBONNAGES STE CHIMIQUE.

Patent filings per year

Chart showing MITSUBISHI PETROCHEMICAL COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Fujita Takashi 267
#2 Aritomi Mitsutoshi 204
#3 Matsuura Mitsuyuki 204
#4 Iwane Hiroshi 184
#5 Yui Hiroshi 167
#6 Kanayama Kaoru 159
#7 Hayama Kazuhide 151
#8 Yugawa Hideaki 148
#9 Miyabayashi Mitsutaka 128
#10 Yazaki Takao 120

Latest patents

Publication Filing date Title
US5443874A Hollow multi-layer molding
JPH06343864A Catalyst for production of ethylene oxide and its production
US5502020A Catalyst for production of ethylene oxide and process for producing the catalyst
US5453213A Latent heat storage material containing Na2 SO4.10H2 O, NH4 Cl, NaCl and (NH4)2 SO4
US5449722A Thermoplastic resin composition
JPH06313072A Resin for injection molding and resin composition for injection molding
US5385972A Filler-containing resin composition and stretched films using same
EP0601546A2 Thermoplastic resin composition and process for preparing the same.
US5449650A Catalyst components for polymerization of olefins and use thereof
JPH06199927A Catalytic component for polymerization of olefin
US5420184A Thermoplastic resin composition and process for preparing the same
JPH06192500A Propylene resin composition
JPH06211928A Production of polyethylene
JPH06199755A Phenoxycarboxamide derivative, agricultural germicide comprising the same and synthetic intermediate therefor
EP0578245A2 Process for producing a resin compound
US5314962A ABA type block copolymers
JPH06122738A Production of modified olefin polymer particle
US5371236A Non-crystalline ether-imide type high purity bismaleimide composition and process for producing the same
JPH06345759A New pyrimidine derivative and herbicide containing the derivative as active component
JPH06345758A New pyrimidine derivative and herbocide containing the derivative as active component