Patents by Inventor Takuya Niitsuma
Takuya Niitsuma has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9845435Abstract: Provided is a hydrotreating step (A) containing a hydroisomerization step (A1) that obtains a hydroisomerized oil (a1) by bringing a FT synthesis oil into contact with a hydroisomerization catalyst and/or a hydrocracking step (A2) that obtains a hydrocracked oil (a2) by bringing it into contact with a hydrocracking catalyst, and a fractionation step (B) that transfers at least a portion of the hydrotreated oil (a) composed of the hydroisomerized oil (a1) and/or the hydrocracked oil (a2) to a fractionator and, at the very least, obtains a middle distillate (b1) with a 5% distillation point of 130 to 170° C. and a 95% distillation point of 240 to 300° C., and a heavy oil (b2) that is heavier than the middle distillate (b1).Type: GrantFiled: March 27, 2013Date of Patent: December 19, 2017Assignees: Japan Oil, Gas and Metals National Corporation, INPEX CORPORATION, JX Nippon Oil & Energy Corporation, Japan Petroleum Exploration Co., Ltd., COSMO OIL CO., LTD., NIPPON STEEL & SUMIKIN ENGINEERING CO., LTD.Inventors: Takuya Niitsuma, Marie Iwama
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Patent number: 9725665Abstract: A process for producing a kerosene base fuel according to the present invention comprises removing paraffins having carbon number of 7 or less from a first fraction having an initial boiling point of 95 to 140° C. and a final boiling point of 240 to 280° C. obtained from a hydrotreated oil of a Fischer-Tropsch synthetic oil to obtain a second fraction having a content of paraffins having carbon number of 7 or less of 0.1 to 0.7% by mass.Type: GrantFiled: March 26, 2012Date of Patent: August 8, 2017Assignees: JAPAN OIL, GAS AND METALS NATIONAL CORPORATION, INPEX CORPORATION, JX NIPPON OIL & ENERGY CORPORATION, JAPAN PETROLEUM EXPLORATION CO., LTD., COSMO OIL CO., LTD., NIPPON STEEL & SUMIKIN ENGINEERING CO., LTD.Inventor: Takuya Niitsuma
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Patent number: 9475036Abstract: The hydrotreating catalyst of the present invention is a hydrotreating catalyst including a catalyst support including an amorphous composite metal oxide having solid acidity, and at least one active metal supported by the catalyst support and selected from noble metals of Group 8 to Group 10 in the periodic table, wherein the hydrotreating catalyst contains a carbonaceous substance including a carbon atom, and the content of the carbonaceous substance in the hydrotreating catalyst is 0.05 to 1% by mass in terms of the carbon atom.Type: GrantFiled: March 26, 2012Date of Patent: October 25, 2016Assignees: JAPAN OIL, GAS AND METALS NATIONAL CORPORATION, INPEX CORPORATION, JX NIPPON OIL & ENERGY CORPORATION, JAPAN PETROLEUM EXPLORATION CO., LTD., COSMO OIL CO., LTD., NIPPON STEEL & SUMIKIN ENGINEERING CO., LTD.Inventors: Yuichi Tanaka, Takuya Niitsuma, Kazuhiko Tasaka, Marie Iwama
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Patent number: 9434902Abstract: An object is to provide a method for producing a jet fuel composition capable of producing a jet fuel composition with excellent quality at a high yield even when a jet fuel blendstock derived from an FT synthesis oil is used, and a jet fuel composition produced by the production method. It is characterized by including a step of mixing a certain Fischer Tropsch (FT) synthesis jet fuel blendstock with a certain petroleum based jet fuel blendstock so that the ratio of the FT synthesis jet fuel blendstock in the composition ranges from 20 to 80% by volume.Type: GrantFiled: January 15, 2013Date of Patent: September 6, 2016Assignee: JX NIPPON OIL & ENERGY CORPORATIONInventors: Takuya Niitsuma, Marie Iwama
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Patent number: 9399745Abstract: An object is to provide a method for producing a jet fuel composition capable of producing a jet fuel composition with excellent quality at a high yield even when a jet fuel blendstock derived from an FT synthesis oil is used, and a jet fuel composition produced by the production method. It is characterized by including a step of mixing a certain Fischer Tropsch (FT) synthesis jet fuel blendstock with a certain petroleum based jet fuel blendstock so that the ratio of the FT synthesis jet fuel blendstock in the composition ranges from 20 to 80% by volume.Type: GrantFiled: January 15, 2013Date of Patent: July 26, 2016Assignee: JX NIPPON OIL & ENERGY CORPORATIONInventors: Takuya Niitsuma, Marie Iwama
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Patent number: 9266099Abstract: The regenerated hydrocracking catalyst according to the present invention is a regenerated hydrocracking catalyst prepared by regenerating a used hydrocracking catalyst including: a catalyst support containing zeolite and an amorphous composite metal oxide having solid acidity; and at least one active metal supported by the catalyst support, selected from noble metals of Group 8 to Group 10 in the periodic table, wherein the regenerated hydrocracking catalyst contains 0.05 to 1% by mass of a carbonaceous substance in terms of carbon atoms based on the entire mass of the catalyst.Type: GrantFiled: March 26, 2012Date of Patent: February 23, 2016Assignees: JAPAN OIL, GAS AND METALS NATIONAL CORPORATION, INPEX CORPORATION, JX NIPPON OIL & ENERGY CORPORATION, JAPAN PETROLEUM EXPLORATION CO., LTD., COSMO OIL CO., LTD., NIPPON STEEL & SUMIKIN ENGINEERING CO., LTD.Inventors: Yuichi Tanaka, Takuya Niitsuma, Kazuhiko Tasaka, Marie Iwama
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Patent number: 9186658Abstract: The hydrocracking catalyst of the present invention is a hydrocracking catalyst comprising a catalyst support comprising a zeolite and an amorphous composite metal oxide having solid acidity, and at least one active metal supported by the catalyst support and selected from noble metals of Group 8 to Group 10 in the periodic table, wherein the hydrocracking catalyst contains a carbonaceous substance comprising a carbon atom, and the content of the carbonaceous substance in the hydrocracking catalyst is 0.05 to 1% by mass in terms of the carbon atom.Type: GrantFiled: March 26, 2012Date of Patent: November 17, 2015Assignees: JAPAN OIL, GAS AND METALS NATIONAL CORPORATION, INPEX CORPORATION, JX NIPPON OIL & ENERGY CORPORATION, JAPAN PETROLEUM EXPLORATION CO., LTD., COSMO OIL CO., LTD., NIPPON STEEL & SUMIKIN ENGINEERING CO., LTD.Inventors: Yuichi Tanaka, Takuya Niitsuma, Kazuhiko Tasaka, Marie Iwama
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Publication number: 20150090632Abstract: An object is to provide a method for producing a jet fuel composition capable of producing a jet fuel composition with excellent quality at a high yield even when a jet fuel blendstock derived from an FT synthesis oil is used, and a jet fuel composition produced by the production method. It is characterized by including a step of mixing a certain Fischer Tropsch (FT) synthesis jet fuel blendstock with a certain petroleum based jet fuel blendstock so that the ratio of the FT synthesis jet fuel blendstock in the composition ranges from 20 to 80% by volume.Type: ApplicationFiled: January 15, 2013Publication date: April 2, 2015Inventors: Takuya Niitsuma, Marie Iwama
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Publication number: 20150065761Abstract: Provided is a hydrotreating step (A) containing a hydroisomerization step (A1) that obtains a hydroisomerized oil (a1) by bringing a FT synthesis oil into contact with a hydroisomerization catalyst and/or a hydrocracking step (A2) that obtains a hydrocracked oil (a2) by bringing it into contact with a hydrocracking catalyst, and a fractionation step (B) that transfers at least a portion of the hydrotreated oil (a) composed of the hydroisomerized oil (a1) and/or the hydrocracked oil (a2) to a fractionator and, at the very least, obtains a middle distillate (b1) with a 5% distillation point of 130 to 170° C. and a 95% distillation point of 240 to 300° C., and a heavy oil (b2) that is heavier than the middle distillate (b1).Type: ApplicationFiled: March 27, 2013Publication date: March 5, 2015Applicants: JAPAN OIL, GAS AND METALS NATIONAL CORPORATION, INPEX CORPORATION, NIPPON STEEL & SUMIKIN ENGINEERING CO., LTD., JAPAN PETROLEUM EXPLORATION CO., LTD., COSMO OIL CO., LTD., JX NIPPON OIL & ENERGY CORPORATIONInventors: Takuya Niitsuma, Marie Iwama
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Publication number: 20150052803Abstract: To provide a gas oil composition providing superior low temperature performance as compared with the conventional techniques. The gas oil composition, wherein a sulfur content is 1 ppm by mass or less, an aromatic content is 1% by mass or less, a C5-C15 paraffin content is 30% to 85% by mass, a C20-C27 paraffin content is 3% to 20% by mass, and a isoparaffin content is 50% to 75% by mass, contains a cold flow improver at 20 ppm to 1000 ppm by mass.Type: ApplicationFiled: February 20, 2013Publication date: February 26, 2015Applicant: JX Nippon Oil & Energy CorporationInventors: Takuya Niitsuma, Marie Iwama, Kazuya Nasuno, Tsukasa Kousaka
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Patent number: 8911519Abstract: There are provided methods and apparatus allowing effective production of high purity hydrogen and recovery of carbon dioxide.Type: GrantFiled: July 25, 2008Date of Patent: December 16, 2014Assignee: Nippon Oil CorporationInventors: Takuya Niitsuma, Shunsuke Maekawa, Yoshihiro Kobori
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Publication number: 20140326642Abstract: The hydrotreating catalyst of the present invention is a hydrotreating catalyst including a catalyst support including an amorphous composite metal oxide having solid acidity, and at least one active metal supported by the catalyst support and selected from noble metals of Group 8 to Group 10 in the periodic table, wherein the hydrotreating catalyst contains a carbonaceous substance including a carbon atom, and the content of the carbonaceous substance in the hydrotreating catalyst is 0.05 to 1% by mass in terms of the carbon atom.Type: ApplicationFiled: March 26, 2012Publication date: November 6, 2014Applicants: JAPAN OIL, GAS AND METALS NATIONAL CORPORATION, INPEX CORPORATION, NIPPON STEEL & SUMIKIN ENGINEERING CO., LTD., JAPAN PETROLEUM EXPLORATION CO., LTD., COSMO OIL CO., LTD., JX NIPPON OIL & ENERGY CORPORATIONInventors: Yuichi Tanaka, Takuya Niitsuma, Kazuhiko Tasaka, Marie Iwama
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Publication number: 20140305839Abstract: A process for producing a kerosene base fuel according to the present invention comprises removing paraffins having carbon number of 7 or less from a first fraction having an initial boiling point of 95 to 140° C. and a final boiling point of 240 to 280° C. obtained from a hydrotreated oil of a Fischer-Tropsch synthetic oil to obtain a second fraction having a content of paraffins having carbon number of 7 or less of 0.1 to 0.7% by mass.Type: ApplicationFiled: March 26, 2012Publication date: October 16, 2014Applicants: JAPAN OIL, GAS AND METALS NATIONAL CORPORATION, INPEX CORPORATION, NIPPON STEEL & SUMIKIN ENGINEERING CO., LTD., JAPAN PETROLEUM EXPLORATION CO., LTD., COSMO OIL CO., LTD., JX NIPPON OIL & ENERGY CORPORATIONInventor: Takuya Niitsuma
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Publication number: 20140083907Abstract: The regenerated hydrocracking catalyst according to the present invention is a regenerated hydrocracking catalyst prepared by regenerating a used hydrocracking catalyst including: a catalyst support containing zeolite and an amorphous composite metal oxide having solid acidity; and at least one active metal supported by the catalyst support, selected from noble metals of Group 8 to Group 10 in the periodic table, wherein the regenerated hydrocracking catalyst contains 0.05 to 1% by mass of a carbonaceous substance in terms of carbon atoms based on the entire mass of the catalyst.Type: ApplicationFiled: March 26, 2012Publication date: March 27, 2014Applicants: JAPAN OIL, GAS AND METALS NATIONAL CORPORATION, INPEX CORPORATION, NIPPON STEEL & SUMIKIN ENGINEERING CO., LTD., JAPAN PETROLEUM EXPLORATION CO., LTD., COSMO OIL CO., LTD., JX NIPPON OIL & ENERGY CORPORATIONInventors: Yuichi Tanaka, Takuya Niitsuma, Kazuhiko Tasaka, Marie Iwama
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Publication number: 20140076782Abstract: The regenerated hydrotreating catalyst of the present invention is a regenerated hydrotreating catalyst prepared by regenerating a used hydrotreating catalyst comprising a catalyst support including an amorphous composite metal oxide having solid acidity, and at least one active metal supported by the catalyst support and selected from noble metals of Group 8 to Group 10 in the periodic table, wherein the regenerated hydrotreating catalyst contains 0.05 to 1% by mass of a carbonaceous substance in terms of a carbon atom based on the entire mass of the catalyst.Type: ApplicationFiled: March 26, 2012Publication date: March 20, 2014Applicants: JAPAN OIL, GAS AND METALS NATIONAL CORPORATION, INPEX CORPORATION, NIPPON STEEL & SUMIKIN ENGINEERING CO., LTD., JAPAN PETROLEUM EXPLORATION CO., LTD., COSMO OIL CO., LTD., JX NIPPON OIL & ENERGY CORPORATIONInventors: Yuichi Tanaka, Takuya Niitsuma, Kazuhiko Tasaka, Marie Iwama
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Patent number: 8460630Abstract: When the production of hydrogen and the recovery of carbon dioxide are simultaneously performed by using as a raw material a carbon-containing fuel, the increase of the system cost is suppressed and the efficiency is improved.Type: GrantFiled: March 27, 2008Date of Patent: June 11, 2013Assignee: Nippon Oil CorporationInventors: Takuya Niitsuma, Shunsuke Maekawa, Yoshihiro Kobori
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Publication number: 20100260657Abstract: There are provided methods and apparatus allowing effective production of high purity hydrogen and recovery of carbon dioxide.Type: ApplicationFiled: July 25, 2008Publication date: October 14, 2010Applicant: NIPPON OIL CORPORATIONInventors: Takuya Niitsuma, Shunsuke Maekawa, Yoshihiro Kobori
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Publication number: 20100129284Abstract: When the production of hydrogen and the recovery of carbon dioxide are simultaneously performed by using as a raw material a carbon-containing fuel, the increase of the system cost is suppressed and the efficiency is improved.Type: ApplicationFiled: March 29, 2007Publication date: May 27, 2010Applicant: Nippon Oil CorporationInventors: Takuya Niitsuma, Shunsuke Maekawa, Yoshihiro Kobori