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JAPAN NAT OIL CORP

Overview
  • Total Patents
    51
About

JAPAN NAT OIL CORP has a total of 51 patent applications. Its first patent ever was published in 1996. It filed its patents most often in Japan, United States and EPO (European Patent Office). Its main competitors in its focus markets environmental technology, civil engineering and chemical engineering are AMOCO CANADA PETROLEUM CO LTD, PETRÓLEO BRASILEIRO S A - PETROBRAS and SHANXI LUAN MINING GROUP CO LTD.

Patent filings per year

Chart showing JAPAN NAT OIL CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nakashizu Shigenori 10
#2 Suzuki Takashi 9
#3 Iwamoto Osamu 9
#4 Saito Kinjiro 9
#5 Wakatsuki Toshiya 7
#6 Inaba Kiyoshi 7
#7 Okado Hideo 6
#8 Hirano Hitomi 5
#9 Fueki Manabu 4
#10 Matsuura Masami 4

Latest patents

Publication Filing date Title
JP2004141860A Catalyst for hydrocarbon reforming, and its manufacturing method
JP2004196874A Method for producing hydrocarbons by fischer-tropsch method
JP2004099363A Direct heat supply type reforming method for natural gas
JP2003307087A Oil intake riser
JP2003286795A Buoyancy adjusting method for oil lifting riser pipe and oil production system using oil lifting riser pipe
JP2002349173A Insert chip for petroleum excavation tricone bit, manufacturing method thereof, and petroleum excavation tricone bit
JP2003105344A Method for producing hydrocarbons by fischer-tropsch method in coexistence of carbon dioxide
JP2003041276A Method for dehydrating natural gas hydrate, dehydration system, and apparatus for centrifugal dehydration of natural gas hydrate
JP2003033884A Method and device for jointing
JP2003003174A Method for producing hydrocarbons by fischer-tropsch method
US6659204B2 Method and apparatus for recovering core samples under pressure
JP2002173085A Dynamic analysis method for ocean platform
JP2002173079A Method for estimating capacity of propulsion actuator for ocean platform
JP2002173086A Control method for ocean platform
JP2002173091A Device for keeping relative position of two floating bodies
JP2002173303A Method of producing synthetic gas
JP2002161280A Method for producing hydrocarbons in the presence of carbon dioxide
JP2002161279A Method for producing hydrocarbons by fischer-tropsch process
JP2002126528A Method for preparing reforming catalyst
JP2002126530A Method for preparing reforming catalyst and method for producing synthetic gas using the same