Patents by Inventor Takashi Wakabayashi
Takashi Wakabayashi 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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Publication number: 20220105494Abstract: An exhaust gas purification catalyst is provided which can be more enhanced in NOx purification performance.Type: ApplicationFiled: January 20, 2020Publication date: April 7, 2022Inventors: Itaru MORITA, Satoru KURAMOCHI, Takahiro KOGAWA, Takashi WAKABAYASHI
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Patent number: 11141721Abstract: Provided is a porous structure for exhaust purification catalysts having excellent light-off temperature characteristics. The porous structure for exhaust purification catalysts includes an oxygen storage component and an inorganic porous solid. The porous structure has a pore volume distribution such that the ratio of the pore volume of pores with a diameter of from 15 nm to less than 25 nm to the pore volume of pores with a diameter of from 5 nm to less than 15 nm is 1.3 to 2.5 as measured with a mercury porosimeter. The pore volume distribution preferably has at least one peak top in a pore diameter range of from 15 nm to less than 25 nm.Type: GrantFiled: August 5, 2019Date of Patent: October 12, 2021Assignee: Mitsui Mining & Smelting Co., Ltd.Inventors: Yusuke Hosoi, Hironori Iwakura, Takashi Wakabayashi, Yunosuke Nakahara
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Publication number: 20210245147Abstract: Provided is a porous structure for exhaust purification catalysts having excellent light-off temperature characteristics. The porous structure for exhaust purification catalysts includes an oxygen storage component and an inorganic porous solid. The porous structure has a pore volume distribution such that the ratio of the pore volume of pores with a diameter of from 15 nm to less than 25 nm to the pore volume of pores with a diameter of from 5 nm to less than 15 nm is 1.3 to 2.5 as measured with a mercury porosimeter. The pore volume distribution preferably has at least one peak top in a pore diameter range of from 15 nm to less than 25 nm.Type: ApplicationFiled: August 5, 2019Publication date: August 12, 2021Inventors: Yusuke HOSOI, Hironori IWAKURA, Takashi WAKABAYASHI, Yunosuke NAKAHARA
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Patent number: 10010871Abstract: Provide is a new carrier for exhaust gas purification catalyst which exhibits excellent catalytic activity, particularly catalytic activity at a low temperature. Proposed is a carrier for exhaust gas purification catalyst composed of particles which contain a silicate or phosphate containing one kind or two or more kinds among the elements belonging to Group 1 and Group 2 in the periodic table.Type: GrantFiled: December 14, 2015Date of Patent: July 3, 2018Assignee: Mitsui Mining & Smelting Co., Ltd.Inventors: Sumio Kato, Masataka Ogasawara, Hironori Iwakura, Takahito Asanuma, Takashi Wakabayashi, Yunosuke Nakahara
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Publication number: 20170274359Abstract: Provide is a new carrier for exhaust gas purification catalyst which exhibits excellent catalytic activity, particularly catalytic activity at a low temperature. Proposed is a carrier for exhaust gas purification catalyst composed of particles which contain a silicate or phosphate containing one kind or two or more kinds among the elements belonging to Group 1 and Group 2 in the periodic table.Type: ApplicationFiled: December 14, 2015Publication date: September 28, 2017Inventors: Sumio KATO, Masataka OGASAWARA, Hironori IWAKURA, Takahito ASANUMA, Takashi WAKABAYASHI, Yunosuke NAKAHARA
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Patent number: 9737850Abstract: Provided is a novel palladium catalyst capable of efficiently purifying carbon monoxide (CO) and total hydrocarbons (THC) under a fuel-rich atmosphere even when palladium (Pd) is used as a catalyst active component. Proposed is a palladium monolayer catalyst for an exhaust gas from a saddle-riding-type vehicle, which is an exhaust gas purification catalyst for a saddle-riding-type vehicle to be installed in an exhaust gas passage in an internal combustion engine. The palladium monolayer catalyst includes a substrate, and a catalyst layer that has the form of a monolayer and contains palladium acting as a catalyst active component, an inorganic porous body acting as a catalyst carrier, ceria (CeO2) particles acting as a promoter component, and barium.Type: GrantFiled: September 12, 2012Date of Patent: August 22, 2017Assignees: Honda Motor Co., Ltd., Mitsui Mining & Smelting Co., Ltd.Inventors: Toshiaki Kimura, Hiroyuki Horimura, Akiko Koga, Motoki Ito, Masateru Tsuji, Takashi Wakabayashi, Yosuke Shibata, Yunosuke Nakahara, Kiyotaka Yasuda
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Patent number: 9669389Abstract: An internal combustion engine exhaust gas purifying catalyst carrier has a core body formed of a CeO2—ZrO2 solid solution or a CeO2—ZrO2—La2O2 solid solution, and CeO2 supported on the surface of the core body, wherein the core body has a CeO2 content of 5 to 35 mass % and an La2O2 content of 0 to 10 mass %, on the basis of the mass of the carrier, and the amount of CeO2 supported on the core body is 5 to 17 mass %, on the basis of the mass of the carrier.Type: GrantFiled: October 20, 2011Date of Patent: June 6, 2017Assignee: MITSUI MINING & SMELTING CO., LTD.Inventors: Yunosuke Nakahara, Takashi Wakabayashi, Yasunori Imada, Ohki Houshito, Yuki Nagao, Takahiko Sakaue, Akihiro Nara, Shinji Aoki
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Patent number: 9314773Abstract: Provided is a palladium catalyst in which palladium (Pd) is used as a catalyst active component, and particularly a novel palladium catalyst which can purify CO and THC with high efficiency even under a fuel-rich atmosphere having a high space velocity (SV). Proposed is a palladium catalyst having a substrate and a catalyst layer that contains palladium acting as a catalyst active component, an inorganic porous material acting as a catalyst support and ceria (CeO2) particles acting as a promoter component, in which a mass ratio (Pd/CeO2) of a content of the palladium in the catalyst layer to a content of the ceria particles in the catalyst layer is 0.0014 to 0.6000.Type: GrantFiled: February 15, 2013Date of Patent: April 19, 2016Assignee: Mitsui Mining & Smelting Co., Ltd.Inventors: Takashi Wakabayashi, Yosuke Shibata, Yunosuke Nakahara, Kiyotaka Yasuda
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Patent number: 9162217Abstract: An apatite compound represented by general formula: A10(PO4)6(OH)2 (wherein A represents Ba or a combination of Ba and Sr and/or Ca) is used as a carrier. This exhaust gas purifying catalyst is obtained by having the apatite compound carrier support a noble metal component.Type: GrantFiled: May 17, 2012Date of Patent: October 20, 2015Assignee: MITSUI MINING & SMELTING CO., LTD.Inventors: Shinichi Nakata, Sumio Kato, Masataka Ogasawara, Atsunori Ono, Yohei Takahashi, Takashi Wakabayashi, Yunosuke Nakahara
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Publication number: 20150133292Abstract: An apatite compound represented by general formula: A10(PO4)6(OH)2 (wherein A represents Ba or a combination of Ba and Sr and/or Ca) is used as a carrier. This exhaust gas purifying catalyst is obtained by having the apatite compound carrier support a noble metal component.Type: ApplicationFiled: May 17, 2012Publication date: May 14, 2015Inventors: Shinichi Nakata, Sumio Kato, Masataka Ogasawara, Atsunori Ono, Yohei Takahashi, Takashi Wakabayashi, Yunosuke Nakahara
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Patent number: 9017588Abstract: A method of producing an electrophotographic blade member includes a continuous molding groove in an peripheral surface and an endless belt, in which the blade member includes a polyurethane resin cured a polyurethane composition having a viscosity of 500-3,000 mPa·s and including A)-D), and a position at which the composition is injected is set, on the belt, opposing to the groove, the position being away from a portion at which the molding drum and the belt are first contacted on an upstream for a moving direction of the belt: A) polyisocyanate; B) adipate-based polyester polyol having a number average molecular weight of 1,000-4,000; C) chain extender having a molecular weight of 200 or less; D) isocyanurate-forming catalyst at 20 to 500 ppm and a urethane-forming catalyst at 200-1,500 ppm.Type: GrantFiled: March 10, 2011Date of Patent: April 28, 2015Assignee: Canon Kabushiki KaishaInventors: Takako Ikeda, Kenichi Mochizuki, Kouji Okano, Takashi Wakabayashi
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Publication number: 20150086434Abstract: Provided is a novel palladium catalyst capable of efficiently purifying carbon monoxide (CO) and total hydrocarbons (THC) under a fuel-rich atmosphere even when palladium (Pd) is used as a catalyst active component. Proposed is a palladium monolayer catalyst for an exhaust gas from a saddle-riding-type vehicle, which is an exhaust gas purification catalyst for a saddle-riding-type vehicle to be installed in an exhaust gas passage in an internal combustion engine. The palladium monolayer catalyst includes a substrate, and a catalyst layer that has the form of a monolayer and contains palladium acting as a catalyst active component, an inorganic porous body acting as a catalyst carrier, ceria (CeO2) particles acting as a promoter component, and barium.Type: ApplicationFiled: September 12, 2012Publication date: March 26, 2015Applicants: MITSUI MINING & SMELTING CO., LTD., HONDA MOTOR CO., LTD.Inventors: Toshiaki Kimura, Hiroyuki Horimura, Akiko Koga, Motoki Ito, Masateru Tsuji, Takashi Wakabayashi, Yosuke Shibata, Yunosuke Nakahara, Kiyotaka Yasuda
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Publication number: 20150087504Abstract: Provided is a palladium catalyst in which palladium (Pd) is used as a catalyst active component, and particularly a novel palladium catalyst which can purify CO and THC with high efficiency even under a fuel-rich atmosphere having a high space velocity (SV). Proposed is a palladium catalyst having a substrate and a catalyst layer that contains palladium acting as a catalyst active component, an inorganic porous material acting as a catalyst support and ceria (CeO2) particles acting as a promoter component, in which a mass ratio (Pd/CeO2) of a content of the palladium in the catalyst layer to a content of the ceria particles in the catalyst layer is 0.0014 to 0.6000.Type: ApplicationFiled: February 15, 2013Publication date: March 26, 2015Inventors: Takashi Wakabayashi, Yosuke Shibata, Yunosuke Nakahara, Kiyotaka Yasuda
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Patent number: 8896741Abstract: A photographing device to photograph an object includes a displaying unit to display an image acquired from the object, an image recording unit to record the image, an enlarged image generating unit to extract a portion or whole of the image displayed on the displaying unit to generate an enlarged image from the image, and a display control unit to display the enlarged image instead of the image on the displaying unit or in an overlapped manner with the image before capturing the image into the image recording unit.Type: GrantFiled: January 19, 2010Date of Patent: November 25, 2014Assignees: Fujitsu Limited, Fujitsu Frontech LimitedInventors: Miwa Akagi, Atsushi Miura, Katsuaki Akama, Yukio Takayashiki, Takashi Wakabayashi, Mikihiko Yamamoto, Shoichi Sato
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Publication number: 20140038818Abstract: An internal combustion engine exhaust gas purifying catalyst carrier has a core body formed of a CeO2—ZrO2 solid solution or a CeO2—ZrO2—La2O2 solid solution, and CeO2 supported on the surface of the core body, wherein the core body has a CeO2 content of 5 to 35 mass % and an La2O2 content of 0 to 10 mass %, on the basis of the mass of the carrier, and the amount of CeO2 supported on the core body is 5 to 17 mass %, on the basis of the mass of the carrier.Type: ApplicationFiled: October 20, 2011Publication date: February 6, 2014Applicant: Mitsui Mining & Smelting Co., Ltd.Inventors: Yunosuke Nakahara, Takashi Wakabayashi, Yasunori Imada, Ohki Houshito, Yuki Nagao, Takahiko Sakaue, Akihiro Nara, Shinji Aoki
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Publication number: 20110233813Abstract: A method of producing an electrophotographic blade member includes a continuous molding groove in an peripheral surface and an endless belt, in which the blade member includes a polyurethane resin cured a polyurethane composition having a viscosity of 500-3,000 mPa·s and including A)-D), and a position at which the composition is injected is set, on the belt, opposing to the groove, the position being away from a portion at which the molding drum and the belt are first contacted on an upstream for a moving direction of the belt: A) polyisocyanate; B) adipate-based polyester polyol having a number average molecular weight of 1,000-4,000; C) chain extender having a molecular weight of 200 or less; D) isocyanurate-forming catalyst at 20 to 500 ppm and a urethane-forming catalyst at 200-1,500 ppm.Type: ApplicationFiled: March 10, 2011Publication date: September 29, 2011Applicant: CANON KASEI KABUSHIKI KAISHAInventors: Takako IKEDA, Kenichi MOCHIZUKI, Kouji OKANO, Takashi WAKABAYASHI
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Patent number: 7981829Abstract: An exhaust gas purifying catalyst includes: a composite oxide represented by: (Aa-w-xMwM?x) (Si6-yNy)O27-z. A is a cation of at least one of La and Pr; M is a cation of at least one of Ba, Ca, and Sr; M? is a cation of at least one of Nd, Y, Al, Pr, Ce, Sr, Li, and Ca; N is a cation of at least one of Fe, Cu, and Al. The following are satisfied: 6?a?10, 0<w<5, 0?x<5, 0<w+x?5, 0?y?3, 0?z?3, A?M?, and x?0 when A is a cation of La. A noble metal ingredient which forms a solid solution with the composite oxide or is supported on the composite oxide, and an exhaust gas purifying catalyst product formed of a carrier made of a ceramic or metallic material, and a layer of the exhaust gas purifying catalyst supported on the carrier.Type: GrantFiled: May 12, 2010Date of Patent: July 19, 2011Assignee: Mitsui Mining & Smelting Co., Ltd.Inventors: Takashi Wakabayashi, Yuunosuke Nakahara
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Publication number: 20100311575Abstract: An exhaust gas purifying catalyst includes: a composite oxide represented by: (Aa-w-xMwM?x) (Si6-yNy)O27-z. A is a cation of at least one of La and Pr; M is a cation of at least one of Ba, Ca, and Sr; M? is a cation of at least one of Nd, Y, Al, Pr, Ce, Sr, Li, and Ca; N is a cation of at least one of Fe, Cu, and Al. The following are satisfied: 6?a?10, 0<w<5, 0?x<5, 0<w+x?5, 0?y?3, 0?z?3, A?M?, and x?0 when A is a cation of La. A noble metal ingredient which forms a solid solution with the composite oxide or is supported on the composite oxide, and an exhaust gas purifying catalyst product formed of a carrier made of a ceramic or metallic material, and a layer of the exhaust gas purifying catalyst supported on the carrier.Type: ApplicationFiled: May 12, 2010Publication date: December 9, 2010Applicant: MITSUI MINING & SMELTING CO., LTD.Inventors: Takashi WAKABAYASHI, Yuunosuke NAKAHARA
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Patent number: D837391Type: GrantFiled: August 30, 2017Date of Patent: January 1, 2019Assignee: NIHON DEMPA KOGYO CO., LTD.Inventors: Yoji Naka, Takashi Wakabayashi, Isamu Shimura, Chao Li
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Patent number: D850629Type: GrantFiled: August 30, 2017Date of Patent: June 4, 2019Assignee: NIHON DEMPA KOGYO CO., LTD.Inventors: Yoji Naka, Takashi Wakabayashi, Isamu Shimura, Chao Li