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MITSUBISHI OIL CO

Overview
  • Total Patents
    546
About

MITSUBISHI OIL CO has a total of 546 patent applications. Its first patent ever was published in 1970. It filed its patents most often in Japan, United States and EPO (European Patent Office). Its main competitors in its focus markets chemical engineering, basic materials chemistry and textiles and paper are BRITISH PETROLEUM CO, EXXON RESEARCH ENGINEERING CO and PURE OIL CO.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Yano Hisashi 64
#2 Ihara Hiroyuki 51
#3 Hatanaka Shigeto 50
#4 Takahashi Yoshio 49
#5 Yabumoto Junsuke 42
#6 Hiroya Osamu 38
#7 Tate Kazuhito 36
#8 Yoshida Hajime 35
#9 Moriya Kunihiko 33
#10 Yanagida Kazuhiro 33

Latest patents

Publication Filing date Title
JPH11256182A Lubricant composition for refrigerator using hfc-32
JPH11209780A Lubricating oil composition for refrigerating machine using hfc-134a
JPH11209782A Lubricating oil composition for freezing machine using hfc-125
JPH11169601A Method for removing thiophene based sulfur compound by adsorption
JPH11116982A Lubricating oil composition
JPH1192772A Hydrodesulfurization process for catalytic cracking gasoline, and gasoline
JPH10310778A Purification of oil made from waste plastic and purified fraction
JPH10298564A Gas turbine fuel composition
JPH10298565A Heavy oil a composition good in storage stability, color tone stability and run and used for heating
JPH10298566A Heavy oil a composition good in storage stability, color tone stability and run
JPH10298567A Heavy oil a composition good in storage stability and used for heating
JPH10298568A Heavy oil a composition good in storage stability
JPH10245570A Process for fractionating crude oil
JPH10204461A Long drain type lubricating oil composition
JPH10183148A Low-smelling lubricating oil composition
JPH1099729A Nozzle for burning waste oil mixed type liquid fuel and combustion method
JPH1099730A Nozzle for burning waste oil mixed type liquid fuel and combustion method
JPH1096506A Nozzle for water mixed type liquid fuel combustion and combustion method
JPH1036873A Refrigerator oil composition
JPH1036874A Refrigerator oil composition