Japan National Oil Corporation

Patent Applications and Registrations

Patent applications and USPTO patent grants for Japan National Oil Corporation.The latest application filed is for "hydrocarbon-reforming catalyst and a method of manufacturing thereof".

Company Profile

0.15.1

Japan National Oil Corporation - Tokyo JP
Japan National Oil Corporation - Japan Petroleum Exploration Co., Ltd.
Japan National Oil Corp. - Tokyo JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Method for producing hydrocarbons by Fischer-Tropsch process Grant 6,924,316 - Iwamoto , et al. August 2, 2	2005-08-02
Insert chip of oil-drilling tricone bit, manufacturing method thereof and oil-drilling tricone bit Grant 6,719,074 - Tsuda , et al. April 13, 2	2004-04-13
Hydrocarbon-reforming catalyst and a method of manufacturing thereof App 20040067848 - Wakatsuki, Toshiya ; et al.	2004-04-08
Method and apparatus for recovering core samples under pressure Grant 6,659,204 - Aumann , et al. December 9, 2	2003-12-09
Bit apparatus Grant 6,637,528 - Nishiyama , et al. October 28, 2	2003-10-28
Method of measuring flow rates of respective fluids constituting multiphase fluid and flow meter for multiphase flow utilizing same Grant 6,467,358 - Nishi , et al. October 22, 2	2002-10-22
Acoustic wave transmission system and method for transmitting an acoustic wave to a drilling metal tubular member Grant 6,272,916 - Taniguchi , et al. August 14, 2	2001-08-14
Sealed neutron tube Grant 6,141,395 - Nishimura , et al. October 31, 2	2000-10-31
Device for controlling the drilling direction of drill bit Grant 5,875,859 - Ikeda , et al. March 2, 1	1999-03-02
Method for determining density of an earth formation Grant 5,804,820 - Evans , et al. September 8, 1	1998-09-08
Method for oxidative coupling of methane comprising catalytic cracking Grant 5,750,821 - Inomata , et al. May 12, 1	1998-05-12
Apparatus for oxidative coupling of methane Grant 5,736,107 - Inomata , et al. April 7, 1	1998-04-07
Information transmitting apparatus using tube body Grant 5,675,325 - Taniguchi , et al. October 7, 1	1997-10-07
Method and apparatus for measuring steam density by neutron method Grant 5,327,773 - Nishimura , et al. July 12, 1	1994-07-12
Receiving apparatus Grant 5,189,415 - Shimada , et al. February 23, 1	1993-02-23
Submersible optical wet connector Grant 4,828,353 - Yamaguchi , et al. May 9, 1	1989-05-09

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