Patents by Inventor Hiroyuki Yamaguchi
Hiroyuki Yamaguchi 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: 20240136522Abstract: A main object of the present disclosure is to provide an active material wherein an expansion upon intercalation of a metal ion such as a Li ion is suppressed. The present disclosure achieves the object by providing an active material comprising a silicon clathrate type crystal phase, and the active material includes a Na element, a Si element and a M element that is a metal element with an ion radius larger than the Si element, and a proportion of the M element to a total of the Si element and the M element is 0.1 atm % or more and 5 atm % or less.Type: ApplicationFiled: December 29, 2023Publication date: April 25, 2024Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hiroyuki YAMAGUCHI, Hironori DAIKOKU, Jun YOSHIDA, Kazuhiro SUZUKI, Mitsutoshi OTAKI
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Patent number: 11962005Abstract: The present disclosure provides a positive electrode active material having a spinel-type crystal structure that can reduce an increase in resistance and a decrease in capacity retention rate due to repeated charging and discharging of a non-aqueous electrolyte secondary battery. The positive electrode active material disclosed herein is configured of a lithium manganese composite oxide having a spinel-type crystal structure, wherein the lithium manganese composite oxide includes secondary particles in which a plurality of primary particles are aggregated, an average particle diameter of the secondary particles based on a SEM image is 10 ?m or more and 20 ?m or less, an average particle diameter of the primary particles based on a SEM image is 4 ?m or more and 8 ?m or less, and nickel atoms are provided in the surface layer portion of the secondary particles.Type: GrantFiled: October 12, 2021Date of Patent: April 16, 2024Assignee: Prime Planet Energy & Solutions, Inc.Inventors: Yoshinari Makimura, Hiroyuki Yamaguchi, Masataka Tomita
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Patent number: 11961964Abstract: A method of producing a lithium-ion secondary battery includes the following (?) and (?): (?) preparing a lithium-ion secondary battery, the lithium-ion secondary battery including at least a positive electrode, a negative electrode, and an electrolyte solution; and (?) adding a zwitterionic compound to the electrolyte solution. The negative electrode includes at least a negative electrode active material and a film. The film is formed on a surface of the negative electrode active material. The film contains a lithium compound. The zwitterionic compound contains a phosphonium cation or an ammonium cation and a carboxylate anion in one molecule.Type: GrantFiled: October 31, 2018Date of Patent: April 16, 2024Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, SOPHIA SCHOOL CORPORATIONInventors: Shinobu Okayama, Hiroyuki Yamaguchi, Kyoko Kikuchi, Masahiro Fujita
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Publication number: 20240085837Abstract: In an image forming apparatus, in a case of duplex printing, a sheet is transported toward an image forming device along a sheet transport route, the image forming device forms an image on a first face, which is one of faces of the sheet, a reverse transport device reverses the front and back faces of the sheet and transports the sheet to a position upstream of a show-through reading device in a sheet transport direction, and the show-through reading device reads a second face, which is another face of the sheet. Then the show-through detector decides whether a show-through has occurred, on a basis of the image that has been read.Type: ApplicationFiled: September 8, 2023Publication date: March 14, 2024Applicant: KYOCERA Document Solutions Inc.Inventors: Tatsuya MAJIMA, Kenji MIYAMOTO, Takahiro HONDA, Hiroyuki YAMAGUCHI, Hideo TAKETANI
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Publication number: 20240075461Abstract: Provided is a method of producing a catalyst or adsorbent carrier and a catalyst or adsorbent carrier which can enhance a catalyst or adsorbent function, and prevent fall-off of catalyst particles or adsorbent particles. The surface of a metal base material made of aluminum or an aluminum alloy is subjected to an etching process using an etchant containing iron chloride and an oxide to convert the surface to an uneven and rough surface. The uneven and rough surface of the metal base material is subjected to an anodizing process to form a porous coating along the uneven and rough surface. A large number of catalyst or adsorbent particles are thus carried on the surface of the metal base material on which the porous coating is formed along the uneven and rough surface.Type: ApplicationFiled: November 8, 2023Publication date: March 7, 2024Applicant: APS Japan Co., Ltd.Inventors: Takafumi WATANABE, Masao YAMAGUCHI, Teruo WATANABE, Hidemitsu WATANABE, Hiroyuki WATANABE
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Patent number: 11901556Abstract: A main object of the present disclosure is to provide an active material wherein an expansion upon intercalation of a metal ion such as a Li ion is suppressed. The present disclosure achieves the object by providing an active material comprising a silicon clathrate type crystal phase, and the active material includes a Na element, a Si element and a M element that is a metal element with an ion radius larger than the Si element, and a proportion of the M element to a total of the Si element and the M element is 0.1 atm % or more and 5 atm % or less.Type: GrantFiled: October 5, 2022Date of Patent: February 13, 2024Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hiroyuki Yamaguchi, Hironori Daikoku, Jun Yoshida, Kazuhiro Suzuki, Mitsutoshi Otaki
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Publication number: 20230396154Abstract: A DC/DC converter includes: multiple channels each including a switching circuit and an inductor; an output line having one end connected to the other end of the inductors of the multiple channels and the other end connected to a load; and a controller. The multiple channels include first to third channels, and the inductors of the first and second channels have a larger inductance value than the inductor of the third channel. When current flowing in the load is first current, the controller controls the switching circuits so that only the first channel is activated; and when the current flowing in the load is second current that is larger than the first current, the controller controls the switching circuits so that the first and second channels are operated in-phase and the third channel is operated in a phase different from the phase of the first and second channels.Type: ApplicationFiled: May 25, 2023Publication date: December 7, 2023Inventor: HIROYUKI YAMAGUCHI
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Publication number: 20230373497Abstract: A wheel load estimation device includes an obtaining unit obtaining angular velocities and angular accelerations of a rigid body including an element, accelerations of the rigid body in a front-rear direction and in a lateral direction, a weight of the element, and a position including a height of the element. The element fluctuates a center of gravity of the rigid body. A center-of-gravity inertia value calculation unit calculates information relevant to the center of gravity of the rigid body and an inertia value. A wheel load variation calculation unit calculates variation amounts of wheel loads that each act on a corresponding one of a plurality of wheels supporting the rigid body. A wheel load estimation unit estimates the wheel loads.Type: ApplicationFiled: July 28, 2021Publication date: November 23, 2023Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Tatsuya HATTORI, Hiroyuki YAMAGUCHI, Daiki MORI, Yoshikazu HATTORI, Noriyoshi SUZUKI
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Patent number: 11789668Abstract: An image forming system includes an image forming apparatus and an insertion device. The image forming apparatus includes an image forming device, a transport device, and a control device. The control device acts as a controller and an executer. The controller causes the image forming device to execute a printing job, and causes the insertion device to insert the interleaving paper in a printed material at an insertion start timing designated by the printing job. The executer executes calibration at an execution start timing set in advance, and sets a time point that a predetermined time has elapsed after a previous calibration to the execution start timing in advance. The executer starts to execute the calibration at the insertion start timing, when a predetermined condition is satisfied.Type: GrantFiled: October 18, 2022Date of Patent: October 17, 2023Assignee: KYOCERA Document Solutions Inc.Inventors: Tatsuya Majima, Kenji Miyamoto, Hideo Tanii, Takahiro Honda, Makoto Matsumoto, Takuya Aritsuki, Hiroyuki Yamaguchi
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Publication number: 20230316012Abstract: A wireless tag reading device includes a processor, wherein the processor is configured to: receive one or more pieces of type information, each indicating a type of an article as a search target; read, from a wireless tag storing a piece of type information, the piece of type information; display a position of the wireless tag when the piece of type information read is identical to any of the one or more pieces of type information received; and exclude the wireless tag whose position has been displayed from a display target.Type: ApplicationFiled: June 6, 2023Publication date: October 5, 2023Inventors: Sayaka SHIMOKAWA, Hiroyuki YAMAGUCHI, Ran KATSURADA, Yuki FURUKAWA, Yohei YANASE, Katsutoshi WATANABE
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Patent number: 11706362Abstract: An image formation system includes an image forming apparatus and an inserter. The image forming apparatus includes an image forming device, a conveyance device, and a control device. The control device functions as a controller and an executor. The controller allows the inserter to insert an interleaving paper between sheets of printed material at an insertion start timing specified by a print job. When the plurality of calibrations include a second calibration capable of being completed within an interleaving paper insertion time required to insert the interleaving paper or a third calibration capable of being completed within a total time of the interleaving paper insertion time and a predetermined additional time, the executor executes the second calibration or the third calibration in time with the insertion start timing.Type: GrantFiled: October 18, 2022Date of Patent: July 18, 2023Assignee: KYOCERA Document Solutions Inc.Inventors: Kenji Miyamoto, Takahiro Honda, Hideo Tanii, Makoto Matsumoto, Tatsuya Majima, Takuya Aritsuki, Hiroyuki Yamaguchi
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Patent number: 11692173Abstract: The present invention provides, in order to prepare matured hepatocytes analogous in various points to primary hepatocytes, a method for preparing hepatocytes or cells that can be differentiated into hepatocytes from pluripotent stem cells, comprising the steps of: (1) culturing the pluripotent stem cells in a medium containing an activator of an activin receptor-like kinase-4,7; (2) culturing the cells obtained in the step (1) in a medium containing a bone morphogenetic factor and a fibroblast growth factor; (3) culturing the cells obtained in the step (2) in a medium containing an activator of a hepatocyte growth factor receptor and an activator of an oncostatin M receptor; and (4) culturing the cells obtained in the step (3) to obtain hepatocytes or cells that can be differentiated into hepatocytes, wherein in at least one of the steps (2), (3) and (4), cells are cultured on a high-density collagen gel membrane.Type: GrantFiled: October 9, 2018Date of Patent: July 4, 2023Assignees: TOKYO INSTITUTE OF TECHNOLOGY, KANTO KAGAKU KABUSHIKI KAISHA, CHUGAI SEIYAKU KABUSHIKI KAISHAInventors: Shoen Kume, Nobuaki Shiraki, Hiroyuki Yamaguchi, Tomoaki Inoue, Toshito Nakagawa, Jumpei Kiyokawa
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Publication number: 20230128053Abstract: An image forming system includes an image forming apparatus and an insertion device. The image forming apparatus includes an image forming device, a transport device, and a control device. The control device acts as a controller and an executer. The controller causes the image forming device to execute a printing job, and causes the insertion device to insert the interleaving paper in a printed material at an insertion start timing designated by the printing job. The executer executes calibration at an execution start timing set in advance, and sets a time point that a predetermined time has elapsed after a previous calibration to the execution start timing in advance. The executer starts to execute the calibration at the insertion start timing, when a predetermined condition is satisfied.Type: ApplicationFiled: October 18, 2022Publication date: April 27, 2023Applicant: KYOCERA Document Solutions Inc.Inventors: Tatsuya MAJIMA, Kenji MIYAMOTO, Hideo TANII, Takahiro HONDA, Makoto MATSUMOTO, Takuya ARITSUKI, Hiroyuki YAMAGUCHI
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Publication number: 20230131739Abstract: An image formation system includes an image forming apparatus and an inserter. The image forming apparatus includes an image forming device, a conveyance device, and a control device. The control device functions as a controller and an executor. The controller allows the inserter to insert an interleaving paper between sheets of printed material at an insertion start timing specified by a print job. When the plurality of calibrations include a second calibration capable of being completed within an interleaving paper insertion time required to insert the interleaving paper or a third calibration capable of being completed within a total time of the interleaving paper insertion time and a predetermined additional time, the executor executes the second calibration or the third calibration in time with the insertion start timing.Type: ApplicationFiled: October 18, 2022Publication date: April 27, 2023Applicant: KYOCERA Document Solutions Inc.Inventors: Kenji MIYAMOTO, Takahiro HONDA, Hideo TANII, Makoto MATSUMOTO, Tatsuya MAJIMA, Takuya ARITSUKI, Hiroyuki YAMAGUCHI
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Patent number: 11593007Abstract: A memory controller specifies, from a nonvolatile memory, a final page candidate, which is a candidate to be the physical page to which data is last written in a logical block. The memory controller executes an upward check process to determine whether the number of programmed physical pages is among a first range number of physical pages in a reverse order from the final page candidate is equal to or greater than a first reference value. The memory controller executes a downward check process determining whether the number of programmed physical pages is among a second range number of physical pages existing in the downward order from the final page candidate is equal to or less than a second reference value, and specifies the physical page to which data is last written in the logical block from results of the upward check process and the downward check process.Type: GrantFiled: April 2, 2019Date of Patent: February 28, 2023Assignee: KIOXIA CORPORATIONInventors: Ryoichi Kato, Hiroyuki Yamaguchi
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Publication number: 20230040714Abstract: A main object of the present disclosure is to provide an active material wherein an expansion upon intercalation of a metal ion such as a Li ion is suppressed. The present disclosure achieves the object by providing an active material comprising a silicon clathrate type crystal phase, and the active material includes a Na element, a Si element and a M element that is a metal element with an ion radius larger than the Si element, and a proportion of the M element to a total of the Si element and the M element is 0.1 atm % or more and 5 atm % or less.Type: ApplicationFiled: October 5, 2022Publication date: February 9, 2023Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hiroyuki YAMAGUCHI, Hironori DAIKOKU, Jun YOSHIDA, Kazuhiro SUZUKI, Mitsutoshi OTAKI
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Patent number: 11567144Abstract: A ground fault detection device connected to a high-voltage battery and a positive electrode side Y capacitor includes a detection capacitor operating as a flying capacitor and a discharge circuit including at least a fifth switch. A one end of the discharge circuit is connected to a first circuit that connects a positive electrode side of the high-voltage battery and a one end of the detection capacitor. An another end of the discharge circuit is connected to a second circuit that connects an another end of the detection capacitor and a ground.Type: GrantFiled: March 2, 2021Date of Patent: January 31, 2023Assignee: HONDA MOTOR CO., LTD.Inventor: Hiroyuki Yamaguchi
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Patent number: 11502298Abstract: A main object of the present disclosure is to provide an active material wherein an expansion upon intercalation of a metal ion such as a Li ion is suppressed. The present disclosure achieves the object by providing an active material comprising a silicon clathrate type crystal phase, and the active material includes a Na element, a Si element and a M element that is a metal element with an ion radius larger than the Si element, and a proportion of the M element to a total of the Si element and the M element is 0.1 atm % or more and 5 atm % or less.Type: GrantFiled: June 19, 2020Date of Patent: November 15, 2022Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hiroyuki Yamaguchi, Hironori Daikoku, Jun Yoshida, Kazuhiro Suzuki, Mitsutoshi Otaki
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Patent number: 11498425Abstract: A ground fault detection device connected to a high-voltage battery and a positive electrode side Y capacitor includes: a detection capacitor operating as a flying capacitor, a first switch and a first resistor connecting a positive electrode side of the high-voltage battery and one end of the detection capacitor in series, and a discharge circuit including at least a discharge capacitor. The discharging circuit has one end connected to the positive electrode side of the high-voltage battery and an another end connected to the negative electrode side of the high-voltage battery. The discharge circuit further includes: a fifth switch that connects one end of the discharge capacitor and the positive electrode side Y capacitor, and a second discharge resistor and an eighth switch that connect the another end of the discharge capacitor and the ground in series.Type: GrantFiled: March 11, 2021Date of Patent: November 15, 2022Assignee: HONDA MOTOR CO., LTD.Inventor: Hiroyuki Yamaguchi
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Publication number: 20220328818Abstract: Provided is a non-aqueous electrolyte secondary battery using a spinel-type manganese-containing composite oxide, in which the capacity deterioration in repeated charging and discharging at a high temperature is suppressed. A non-aqueous electrolyte secondary battery disclosed herein includes a positive electrode, a negative electrode, and a non-aqueous electrolytic solution. The positive electrode includes a positive electrode active material layer containing a positive electrode active material. The positive electrode active material includes a lithium composite oxide having a spinel-type crystal structure and including Mn. The positive electrode active material layer includes 0.05% by mass or more and 1.0% by mass or less of phosphonic acid with respect to the positive electrode active material. The negative electrode includes a negative electrode active material layer containing a negative electrode active material. The negative electrode active material is graphite.Type: ApplicationFiled: April 11, 2022Publication date: October 13, 2022Inventors: Hiroyuki YAMAGUCHI, Masataka TOMITA