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SHOWA OIL

Overview
  • Total Patents
    54
About

SHOWA OIL has a total of 54 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan, United States and South Africa. Its main competitors in its focus markets biotechnology, environmental technology and chemical engineering are SHINNENRYOYU KAIHATSU GIJUTSU, HOKUYO KK and SHOWA SHIERU SEKIYU KK.

Patent filings in countries

World map showing SHOWA OILs patent filings in countries

Patent filings per year

Chart showing SHOWA OILs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Matsumoto Takao 11
#2 Iida Tetsuya 6
#3 Nagata Takeo 6
#4 Osada Takeo 6
#5 Saori Hideo 4
#6 Takagi Hiroshi 4
#7 Iguchi Mitsuo 4
#8 Takegami Yoshinobu 4
#9 Niihata Yasushi 4
#10 Saitou Yasushi 4

Latest patents

Publication Filing date Title
JPS59136386A Low-temperature synthesis of hydrocarbon from methanol by high silica zeolite catalyst having high activity
JPS5962349A Production of high silica zeolite catalyst
JPS5962348A Production of high silica zeolite catalyst modified with amine
US4411998A Suppressing method of iso-citric acid formation in producing citric acid from hydrocarbons by fermentation
JPS5886092A Preparation of citric acid from paraffins, olefins or their mixture
JPS5886091A Preparation of citric acid
DE3139355A1 Crystalline aluminosilicate zeolite catalyst and process for the preparation thereof
JPS57212297A Temperature-resistant lithium grease
JPS57212298A Lithium grease of high dropping point
JPS57180498A Treatment for animal feed and animal waste
JPS57180959A Production of deodorant
JPS57177674A Defatting treating method of fish
JPS5782746A Method and machine for testing roll abrasion
JPS5779890A Method for suppressing production of isocitric acid in cirtric acid fermentation of petroleum hydrocarbon
JPS5592799A Refrigerator oil composition
JPS5555999A Method of removing residual oil from sea birth
JPS5555998A Method of removing residual oil from sea birth
JPS5527334A Preparation of colloidal fuel
JPS54160966A Method of producing quality compressor base oil
JPS54156017A Manufacture of coal mixed oil