Patents by Inventor Tatsuya Yoshikawa
Tatsuya Yoshikawa 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: 11959740Abstract: A three-dimensional data creation method for use in a vehicle including a sensor and a data receiver that transmits and receives three-dimensional data to and from an external device. The three-dimensional data creation method includes: creating second three-dimensional data based on information detected by the sensor and first three-dimensional data received by the data receiver; and transmitting, to the external device, third three-dimensional data that is part of the second three-dimensional data.Type: GrantFiled: March 12, 2019Date of Patent: April 16, 2024Assignee: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICAInventors: Takahiro Nishi, Tadamasa Toma, Toshiyasu Sugio, Toru Matsunobu, Satoshi Yoshikawa, Tatsuya Koyama
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Publication number: 20220313150Abstract: Since skin condition is significantly influenced by environmental factors associated with lifestyle habits, it has been difficult to forecast skin condition by means of SNP analysis. The purpose of the present invention is to determine one's congenital skin characteristics, which has been difficult with the prior art. The present invention provides a method for determining not only one's congenital skin characteristics but also future skin type by determining skin condition from genetic and environmental factors.Type: ApplicationFiled: August 6, 2020Publication date: October 6, 2022Applicant: SHISEIDO COMPANY, LTD.Inventors: Satoshi AMANO, Tatsuya YOSHIKAWA, Chie YASUDA, Nozomu WAKESHIMA
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Publication number: 20210255137Abstract: A gas sensor includes a sensor element including a solid electrolyte, a gas chamber, a pump electrode, a sensor electrode, and a reference electrode. The pump electrode and sensor electrode are provided in the solid electrolyte in a state in which the pump electrode and the sensor electrode are housed in the gas chamber. The reference electrode is provided in the solid electrolyte. The pump electrode and the sensor electrode contain Au. Au content in a surface layer is equal to or greater than 1 mass % and higher than Au content in a reference layer. The surface layer is an area from a surface of the sensor electrode to a depth of 0.3 nanometers. The reference layer is an area extending to a depth of 2 or more to 3 or less nanometers from the surface of the sensor electrode.Type: ApplicationFiled: May 6, 2021Publication date: August 19, 2021Inventors: Tatsuya YOSHIKAWA, Yusuke TODO, Mitsunobu NAKATO, Takashi ARAKI, Yuji KAWASAKI
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Patent number: 11021499Abstract: Provided are a water-soluble triarylphosphine for a palladium catalyst, which has high selectivity in a telomerization reaction and is easily recovered with efficiency, an ammonium salt thereof, and a method for efficiently producing the same. Specifically, provided are bis(6-methyl-3-sulphophenyl)(2-methylphenyl)phosphine; a bis(6-methyl-3-sulphonatophenyl)(2-methylphenyl)phosphine diammonium salt obtained by reacting the phosphine with a tertiary amine having a total of 3 to 27 carbon atoms in groups bonded to one nitrogen atom; and a method for producing the same.Type: GrantFiled: November 7, 2018Date of Patent: June 1, 2021Assignees: KURARAY CO., LTD., HOKKO CHEMICAL INDUSTRY CO., LTD.Inventors: Eriko Honda, Tatsuya Yoshikawa, Tomoaki Tsuji, Hitoshi Koizumi, Kyoko Sugita, Nobumichi Kumamoto
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Patent number: 10696701Abstract: Provided are a water-soluble triarylphosphine for a palladium catalyst, which has high selectivity in a telomerization reaction and can be recovered with efficiency, an ammonium salt thereof, and a method for efficiently producing the same. Specifically, provided are bis(6-methyl-3-sulphophenyl)phenylphosphine; a bis(6-methyl-3-sulphonatopheyl)phenylphosphine diammonium salt obtained by reacting the phosphine with a tertiary amine having a total of 3 to 27 carbon atoms in groups bonded to one nitrogen atom; and a method for producing the same.Type: GrantFiled: January 16, 2018Date of Patent: June 30, 2020Assignees: KURARAY CO., LTD., HOKKO CHEMICAL INDUSTRY CO., LTD.Inventors: Eriko Honda, Tatsuya Yoshikawa, Tomoaki Tsuji, Hitoshi Koizumi, Kyoko Sugita, Nobumichi Kumamoto
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Publication number: 20190071460Abstract: Provided are a water-soluble triarylphosphine for a palladium catalyst, which has high selectivity in a telomerization reaction and is easily recovered with efficiency, an ammonium salt thereof, and a method for efficiently producing the same. Specifically, provided are bis(6-methyl-3-sulphophenyl)(2-methylphenyl)phosphine; a bis(6-methyl-3-sulphonatophenyl)(2-methylphenyl)phosphine diammonium salt obtained by reacting the phosphine with a tertiary amine having a total of 3 to 27 carbon atoms in groups bonded to one nitrogen atom; and a method for producing the same.Type: ApplicationFiled: November 7, 2018Publication date: March 7, 2019Inventors: Eriko HONDA, Tatsuya YOSHIKAWA, Tomoaki TSUJI, Hitoshi KOIZUMI, Kyoko SUGITA, Nobumichi KUMAMOTO
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Patent number: 10150082Abstract: A catalyst and system for an internal combustion engine exhaust gas purification includes a first catalyst component region (a) having a catalyst component layer containing Rh at a concentration of 0.1 to 3.0 g/L at a length of 3 to 30 mm on an upstream side, a second catalyst component region (b) having a catalyst component layer containing Pd at a concentration of 1.0 to 20.0 g/L at a length of 10 to 100 mm on a downstream side, and a third catalyst region (c) containing rhodium at a concentration of 0.05 to 1.0 g/L and an oxygen storage material at a concentration of 30 to 150 g/L at a length of 25 to 150 mm on a monolithic support. The catalyst suppresses the formation and discharge of N2O from the exhaust gas with a small amount of a noble metal from the time of cold starting.Type: GrantFiled: May 28, 2015Date of Patent: December 11, 2018Assignee: UMICORE SHOKUBAI JAPAN CO., LTD.Inventor: Tatsuya Yoshikawa
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Publication number: 20180141967Abstract: Provided are a water-soluble triarylphosphine for a palladium catalyst, which has high selectivity in a telomerization reaction and can be recovered with efficiency, an ammonium salt thereof, and a method for efficiently producing the same. Specifically, provided are bis(6-methyl-3-sulphophenyl)phenylphosphine; a bis(6-methyl-3-sulphonatopheyl)phenylphosphine diammonium salt obtained by reacting the phosphine with a tertiary amine having a total of 3 to 27 carbon atoms in groups bonded to one nitrogen atom; and a method for producing the same.Type: ApplicationFiled: January 16, 2018Publication date: May 24, 2018Applicants: KURARAY CO., LTD., HOKKO CHEMICAL INDUSTRY CO., LTD.Inventors: Eriko HONDA, Tatsuya YOSHIKAWA, Tomoaki TSUJI, Hitoshi KOIZUMI, Kyoko SUGITA, Nobumichi KUMAMOTO
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Publication number: 20170197179Abstract: Provided are a catalyst for internal combustion engine exhaust gas purification, including a first catalyst component region (a) having a catalyst component layer containing Rh at a concentration of 0.1 to 3.0 g/L at a length of 3 to 30 mm on an upstream side, a second catalyst component region (b) having a catalyst component layer containing Pd at a concentration of 1.0 to 20.0 g/L at a length of 10 to 100 mm on a downstream side, and a third catalyst region (c) mainly containing rhodium at a concentration of 0.05 to 1.0 g/L and an oxygen storage material at a concentration of 30 to 150 g/L at a length of 25 to 150 mm, if necessary, on a monolithic support along a flow of the exhaust gas as a noble metal catalyst active component, and a system for purifying internal combustion engine exhaust gas using the catalyst.Type: ApplicationFiled: May 28, 2015Publication date: July 13, 2017Inventor: Tatsuya YOSHIKAWA
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Patent number: 9464018Abstract: Provided is an industrially advantageous method for producing a dialdehyde having a production ratio of linear dialdehydes to branched dialdehydes of 80/20 to 90/10, with an amount of rhodium to be used that is lower than that in the related art.Type: GrantFiled: March 17, 2014Date of Patent: October 11, 2016Assignee: KURARAY CO., LTD.Inventors: Tatsuya Yoshikawa, Tomoaki Tsuji
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Patent number: 9315433Abstract: Provided is a simple and industrially advantageous method for producing 2,7-octadien-1-ol, in which an expensive palladium catalyst is recovered in high efficiency and the reaction rate per atom of palladium is enhanced. Specifically, provided is a method for producing 2,7-octadien-1-ol by subjecting butadiene and water to a telomerization in the presence of a palladium catalyst containing a water-soluble triarylphosphine having two or more sulfonate groups in the molecule and a palladium compound, a tertiary amine, and carbon dioxide, including a step of mixing the telomerization solution obtained by the telomerization with an organic solvent having a dielectric constant at 25° C. of 2 to 18, followed by carrying out phase separation in the presence of carbon dioxide, thereby obtaining 2,7-octadien-1-ol from an organic phase while recovering an aqueous phase including the palladium catalyst. By this production method, the selectivity for 2,7-octadien-1-ol is enhanced.Type: GrantFiled: March 26, 2014Date of Patent: April 19, 2016Assignee: KURARAY CO., LTD.Inventors: Tatsuya Yoshikawa, Tomoaki Tsuji
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Publication number: 20160052948Abstract: Provided are a water-soluble triarylphosphine for a palladium catalyst, which has high selectivity in a telomerization reaction and is easily recovered with efficiency, an ammonium salt thereof, and a method for efficiently producing the same. Specifically, provided are bis(6-methyl-3-sulphophenyl)(2-methylphenyl)phosphine; a bis(6-methyl-3-sulphonatophenyl)(2-methylphenyl)phosphine diammonium salt obtained by reacting the phosphine with a tertiary amine having a total of 3 to 27 carbon atoms in groups bonded to one nitrogen atom; and a method for producing the same.Type: ApplicationFiled: March 26, 2014Publication date: February 25, 2016Applicants: KURARAY CO., LTD., HOKKO CHEMICAL INDUSTRY CO., LTD.Inventors: Eriko HONDA, Tatsuya YOSHIKAWA, Tomoaki TSUJI, Hitoshi KOIZUMI, Kyoko SUGITA, Nobumichi KUMAMOTO
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Publication number: 20160052947Abstract: Provided are a water-soluble triarylphosphine for a palladium catalyst, which has high selectivity in a telomerization reaction and can be recovered with efficiency, an ammonium salt thereof, and a method for efficiently producing the same. Specifically, provided are bis(6-methyl-3-sulphophenyl)phenylphosphine; a bis(6-methyl-3-sulphonatophenyl)phenylphosphine diammonium salt obtained by reacting the phosphine with a tertiary amine having a total of 3 to 27 carbon atoms in groups bonded to one nitrogen atom; and a method for producing the same.Type: ApplicationFiled: March 26, 2014Publication date: February 25, 2016Applicants: KURARAY CO., LTD., HOKKO CHEMICAL INDUSTRY CO., LTD.Inventors: Eriko HONDA, Tatsuya YOSHIKAWA, Tomoaki TSUJI, Hitoshi KOIZUMI, Kyoko SUGITA, Nobumichi KUMAMOTO
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Publication number: 20160052852Abstract: Provided is an industrially advantageous method for producing a dialdehyde having a production ratio of linear dialdehydes to branched dialdehydes of 80/20 to 90/10, with an amount of rhodium to be used that is lower than that in the related art.Type: ApplicationFiled: March 17, 2014Publication date: February 25, 2016Applicant: KURARAY CO., LTD.Inventors: Tatsuya YOSHIKAWA, Tomoaki TSUJI
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Publication number: 20160046549Abstract: Provided is a simple and industrially advantageous method for producing 2,7-octadien-1-ol, in which an expensive palladium catalyst is recovered in high efficiency and the reaction rate per atom of palladium is enhanced. Specifically, provided is a method for producing 2,7-octadien-1-ol by subjecting butadiene and water to a telomerization in the presence of a palladium catalyst containing a water-soluble triarylphosphine having two or more sulfonate groups in the molecule and a palladium compound, a tertiary amine, and carbon dioxide, including a step of mixing the telomerization solution obtained by the telomerization with an organic solvent having a dielectric constant at 25° C. of 2 to 18, followed by carrying out phase separation in the presence of carbon dioxide, thereby obtaining 2,7-octadien-1-ol from an organic phase while recovering an aqueous phase including the palladium catalyst. By this production method, the selectivity for 2,7-octadien-1-ol is enhanced.Type: ApplicationFiled: March 26, 2014Publication date: February 18, 2016Applicant: KURARAY CO., LTD.Inventors: Tatsuya YOSHIKAWA, Tomoaki TSUJI
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Publication number: 20150310162Abstract: When the interaction of a compound is predicted by using a computer, a technique to highly precisely design a compound having a novel structure has been required. A compound designing device is provided which includes an input unit configured to receive, at least about one or more query proteins, one or more pieces of query protein information corresponding to the one or more query proteins; and a processing unit configured to perform steps of (a) generating one or more pieces of compound information, (b) computing a score indicating interaction potential between a compound corresponding to the compound information and each of the one or more query proteins, (c) updating the compound information by an optimization method with reference to the score computed at step (b) such that the interaction potential increases, and (d) repeating steps (b) and (c) a plurality of times.Type: ApplicationFiled: August 24, 2013Publication date: October 29, 2015Inventors: Yasushi Okuno, Chisato Kanai, Tatsuya Yoshikawa, Akiko Tamon
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Publication number: 20150151750Abstract: A vehicle behavior control device includes a collision determining unit configured to determine whether a vehicle collides with an obstacle at a time the vehicle is decelerated while traveling straight, based on a detection result of the obstacle in front of the vehicle and a detection result of a traveling state of the vehicle, in a state in which wheels are braked; and a vehicle behavior control unit configured to perform any of a first detour mode in which control over steering of rear wheels is performed and control of providing a difference in a braking state of left and right wheels is not performed and a second detour mode in which the control over steering of the rear wheels and the control of providing the difference in the braking state of the left and right wheels are performed such that the vehicle is decelerated while detouring the obstacle.Type: ApplicationFiled: November 26, 2014Publication date: June 4, 2015Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yoshiaki TSUCHIYA, Hiroshi ISHIGURO, Tatsuya YOSHIKAWA
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Publication number: 20150151749Abstract: A vehicle behavior control device includes a collision determining unit configured to determine whether or not a vehicle collides with an obstacle at a time decelerated while traveling straight, based at least on a detection result of the obstacle in front of the vehicle, a detection result of a speed of the vehicle, and a detection result of a hydraulic pressure of a hydraulic system for braking each wheel, in a state in which wheels are braked; and a vehicle behavior control unit configured to perform at least one of control over steering of rear wheels and control of providing a difference in a braking state of left and right wheels such that the vehicle is decelerated while detouring the obstacle at a time it is determined by the collision determining unit that the vehicle collides with the obstacle.Type: ApplicationFiled: November 25, 2014Publication date: June 4, 2015Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yoshiaki TSUCHIYA, Hiroshi ISHIGURO, Tatsuya YOSHIKAWA
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Patent number: 7763560Abstract: A catalyst which purges a diesel engine exhaust gas of HC, CO, and SOF and reduces the emission of particulates as well and a method for the production thereof are provided. The catalyst for purifying a diesel engine exhaust gas has deposited on a refractory three-dimensional structure a catalyst component comprising silica-alumina supporting at least one noble metal selected from the group consisting of platinum, palladium, and rhodium and zeolite. This catalyst is produced by adding a noble metal component into a slurry of silica-alumina thereby inducing chemical adsorption, then adding zeolite to the resultant mixture thereby obtaining a mixed slurry of a noble metal-supporting silica-alumina and zeolite, dipping a refractory three-dimensional structure in the slurry thereby inducing deposition of the catalyst component, and subsequently calcining the resultant composite.Type: GrantFiled: May 4, 2004Date of Patent: July 27, 2010Assignees: ICT Co., Ltd, International Catalyst Technology, Inc.Inventors: Makoto Horiuchi, Masao Hori, Tatsuya Yoshikawa, Atsushi Fukumoto, Takuji Nakane
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Patent number: 7265073Abstract: An exhaust gas purifying catalyst formed by having a first rhodium-containing catalyst layer, a second zeolite-containing catalyst layer, and a third palladium-containing catalyst layer superposed sequentially on a carrier, and a process for purifying the exhaust gas from an internal combustion engine by using the catalyst. A catalyst possessing durability and excelling in the ability to adsorb hydrocarbon, the ability to purify, and the three-way performance is provided.Type: GrantFiled: April 15, 2004Date of Patent: September 4, 2007Assignees: ICT Co., Ltd., International Catalyst Technology, Inc.Inventor: Tatsuya Yoshikawa