Patents by Inventor Hirofumi Yamamoto
Hirofumi Yamamoto 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: 11969857Abstract: A method of producing a glass article includes holding a carrier having a circular shape, in which a glass substrate having a circular shape is retained, with an upper surface plate and a lower surface plate; and polishing the glass substrate by rotating the carrier with respect to the upper surface plate and the lower surface plate, to obtain the glass article. The glass substrate is disposed in the carrier such that, in a top plan view, a center of the carrier is included in a region of the glass substrate, and a center of the glass substrate is shifted from the center of the carrier.Type: GrantFiled: October 19, 2022Date of Patent: April 30, 2024Assignee: AGC INC.Inventors: Toru Momose, Osamu Sato, Hirofumi Yamamoto, Nobuhiko Takeshita
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Publication number: 20240124389Abstract: An object of present invention is to provide a compound or a salt thereof constituting lipid particles that can achieve a high nucleic acid encapsulation rate and excellent delivery of nucleic acids, and to provide lipid particles and pharmaceutical composition using the compound or a salt thereof, which can achieve a high nucleic acid encapsulation rate and excellent delivery of nucleic acids. According to an aspect of the present invention, a compound represented by Formula (1) or a salt thereof is provided. In the formula, each symbol has a meaning defined in the present specification.Type: ApplicationFiled: October 26, 2023Publication date: April 18, 2024Applicant: FUJIFILM CorporationInventors: Shintaro TANABE, Tatsuya NITABARU, Mashiko YAMAMOTO, Hirofumi FUKUNAGA, Naoto NAKAMURA, Noriyuki KASAGI, Taisuke ENDO, Keiko SUZUKI
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Publication number: 20240101467Abstract: The present invention relates to a photosensitive glass in which a Li2SiO3 crystal is precipitated by exposure and heat treatment, in which the photosensitive glass has a value of Formula (A) described below of 0.50 or more and 0.75 or less, and the photosensitive glass has a dielectric loss tangent at 20° C. and 10 GHz of 0.0090 or less, [Li2O]/([Li2O]+[Na2O]+[K2O]) Formula (A), in Formula (A), [Li2O], [Na2O], and [K2O] respectively indicate contents of Li2O, Na2O, and K2O in the photosensitive glass in terms of mole percentage based on oxides.Type: ApplicationFiled: November 28, 2023Publication date: March 28, 2024Applicant: AGC Inc.Inventors: Takeyuki KATO, Yutaka KUROIWA, Nobuo INUZUKA, Hirofumi YAMAMOTO
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Publication number: 20240098891Abstract: The present invention relates to a circuit board for a high-frequency device, including: a glass substrate in which a crystal is precipitated and cuttable by etching, and which has a dielectric loss tangent at 20° C. and 10 GHz of 0.0090 or less, and relates to a high-frequency device including the circuit board.Type: ApplicationFiled: November 28, 2023Publication date: March 21, 2024Applicant: AGC Inc.Inventors: Takeyuki KATO, Yutaka KUROIWA, Nobuo INUZUKA, Hirofumi YAMAMOTO
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Publication number: 20240084299Abstract: The present invention provides a safe and effective DDS technique that realizes higher accumulation in lesions and reduced accumulation in normal organs including the liver, and thus can afford sufficient therapeutic effects with smaller amounts of drugs. Specifically, a composition containing carbonate apatite particles loaded with a drug, wherein the particles have an average particle size of larger than 500 nm and not more than 1000 nm, primary particles are formed in the presence of a polyethylene glycol (PEG) derivative having one or more carboxylic acids or derivatives thereof or salts thereof at the ends thereof, and the PEG derivative is taken up in the primary particles, is provided.Type: ApplicationFiled: January 18, 2022Publication date: March 14, 2024Inventor: Hirofumi YAMAMOTO
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Patent number: 11923950Abstract: A relay device that relays between a plurality of radio devices that perform radio communication with terminals, and at least one radio control device that controls the radio devices, the relay device including: a replication necessity determination unit that determines whether or not to replicate a downlink signal received from the radio control device; a signal replicating unit that makes the same number of copies of a downlink signal as the number of destination radio devices only when the replication necessity determination unit determines that the downlink signal is to be replicated; and a downlink signal assignment unit that transfers a downlink signal that has been determined by the replication necessity determination unit as a signal that is not to be replicated, and downlink signals replicated by the signal replicating unit, to the radio devices respectively corresponding thereto.Type: GrantFiled: October 25, 2019Date of Patent: March 5, 2024Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Naotaka Shibata, Hirofumi Yamamoto, Keita Takahashi, Noriyuki Ota, Jun Terada
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Publication number: 20240006680Abstract: In an embodiment, a battery module includes a battery group, an electric path, a case, an insulating layer and a conductive layer. The battery group includes a plurality of batteries, and a current passes through the electric path during each of charging and discharging the plurality of batteries. The battery group is accommodated in the case, and the case includes a metal body having electric conductive properties. The insulating layer is stacked on a surface of the metal body on a side where the battery group is located, and has electric insulating properties. The conductive layer is stacked on a surface of the insulating layer on a side where the battery group is located, and is electrically connected to any of the electric path and a portion having electric conductive properties in the battery group.Type: ApplicationFiled: September 12, 2023Publication date: January 4, 2024Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Kazuto KURODA, Shin SUZUKI, Hirofumi YAMAMOTO
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Publication number: 20230381275Abstract: [Problem] The present invention addresses the problem of providing a muscle function-improving agent for suppressing or improving the decline of muscular functions due to aging. [Solution] Provided is a muscle function-improving agent for suppressing or improving the functional decline of skeletal muscle due to aging, the muscle function-improving agent containing, as an active ingredient, at least one peptide selected from among the following (1)-(3), or a salt thereof: (1) a peptide consisting of the amino acid sequence represented by SEC) ID NO: 1; (2) a peptide which is the fragment of human osteopontin, and in which the C-terminal amino acid sequence is the amino acid sequence represented by SEQ ID NO: 1; and (3) a peptide which consists of an amino acid sequence obtained by substituting, adding, or deleting one or more amino acids in the amino acid sequence of the peptide in (1) or (2), and has the action of suppressing or ameliorating the functional decline of skeletal muscle due to aging.Type: ApplicationFiled: October 22, 2021Publication date: November 30, 2023Inventors: Susumu TANAKA, Yoshinosuke HAMADA, Mikihiko KOGO, Hirofumi YAMAMOTO, Naomasa KAWAGUCHI
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Publication number: 20230369411Abstract: A method of manufacturing a silicon carbide semiconductor device includes the following steps. In a silicon carbide substrate including a silicon carbide single-crystal substrate and a silicon carbide epitaxial film provided on the silicon carbide single-crystal substrate, a reference mark serving as a reference of two dimensional position coordinates is formed. After forming the reference mark, at least one of polishing or cleaning is performed on a reference mark formation surface of the silicon carbide substrate. Position coordinates of a defect present in the silicon carbide substrate are specified based on the reference mark. A device active region is formed in the silicon carbide substrate. Position coordinates of the device active region are specified based on the reference mark. A pass/fail judgement of the device active region is made by associating the position coordinates of the defect with the position of the device active region.Type: ApplicationFiled: July 27, 2021Publication date: November 16, 2023Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Takashi SAKURADA, Taro NISHIGUCHI, Tetsuro KONDO, Naoki MATSUMOTO, Makoto SASAKI, Hirofumi YAMAMOTO
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Patent number: 11817328Abstract: A laminate including a glass plate and a coating layer, wherein the coating layer includes one or more components selected from the group consisting of silicon nitride, titanium oxide, alumina, niobium oxide, zirconia, indium tin oxide, silicon oxide, magnesium fluoride, and calcium fluoride, wherein a ratio (dc/dg) of a thickness dc of the coating layer to a thickness dg of the glass plate is in a range of 0.05×10?3 to 1.2×10?3, and wherein a radius of curvature r1 of the laminate with negating of self-weight deflection is 10 m to 150 m.Type: GrantFiled: February 1, 2023Date of Patent: November 14, 2023Assignee: AGC INC.Inventors: Hirofumi Yamamoto, Yasuhiko Akao, Teruo Fujiwara, Nobuhiko Imajo
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Patent number: 11804897Abstract: An uplink transmission band and a downlink transmission band that are allocated to each of a plurality of users are determined based on allocation information indicating allocation of a frequency bandwidth available to each of the plurality of users, and are output as uplink transmission band allocation information and downlink transmission band allocation information, respectively. Based on the downlink transmission band allocation information, downlink signals output from a plurality of wireless control devices toward a plurality of wireless devices for each of the plurality of users, and the uplink transmission band allocation information are multiplexed, and the multiplexed signal is demultiplexed into downlink signals for each of the plurality of users and the uplink transmission band allocation information.Type: GrantFiled: March 26, 2020Date of Patent: October 31, 2023Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Naotaka Shibata, Keita Takahashi, Tatsuya Fukui, Hideaki Kimura, Hirofumi Yamamoto, Noriyuki Ota, Jun Terada
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Publication number: 20230339441Abstract: Systems and methods are provided for variable actuation and release of a vehicle's brake hold mechanism/function. A brake hold device may be implemented as a “tuner” or controller that can connect to and override, e.g., the default functionality of an existing brake hold mechanism of a vehicle. Delays in exiting a brake hold state, repetitive actuation of an accelerator to exit a brake hold state, and other shortcomings associated with the conventional operation of brake hold mechanisms may be avoided by taking into account relevant vehicle operating conditions or environmental/road/traffic conditions.Type: ApplicationFiled: April 26, 2022Publication date: October 26, 2023Applicants: TOYOTA RESEARCH INSTITUTE, INC., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: YITING LIU, HIROFUMI YAMAMOTO, CHEN BAO
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Publication number: 20230322273Abstract: A method for managing autonomous operation of a vehicle includes detecting, while the vehicle is operating in an autonomous mode, an assistance condition that triggers activation of an assistance component of a set of assistance components associated with a driver assistance system. The method also includes determining whether the operation of the vehicle in the autonomous mode satisfies a safety condition associated with the assistance component. The method further includes adjusting an activation signal that triggers the activation of the assistance component based on determining the operation of the vehicle in the autonomous mode satisfies the safety condition.Type: ApplicationFiled: April 6, 2022Publication date: October 12, 2023Applicant: TOYOTA RESEARCH INSTITUTE, INC.Inventors: Yiting LIU, Hirofumi YAMAMOTO, Chen BAO, Thomas JOHNSTON, Kazunori NIMURA
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Publication number: 20230319604Abstract: A slave station system 2 includes a first individual function unit 11a connected to a first master station device 3a and corresponding to the first master station device 3a, a second individual function unit 11b connected to a second master station device 3b and corresponding to the second master station device 3b, and a common function unit 21 connected to the first individual function unit 11a and the second individual function unit 11b and functioning regardless of the types of a plurality of master station devices. The first individual function unit 11a and the second individual function unit 11b are mounted on the same shared slave station device 10. The first individual function unit 11a and the second individual function unit 11b are configured to be operable independently of each other. The first individual function unit 11a includes a restoration function operated at least either manually or dynamically.Type: ApplicationFiled: August 27, 2020Publication date: October 5, 2023Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Hiroko NOMURA, Hirofumi YAMAMOTO, Keita TAKAHASHI
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Publication number: 20230319595Abstract: A slave station system 2 includes: a first shared slave station device 10 connected to a plurality of master station devices including at least a first master station device 3a and a second master station device 3b different from the first master station device 3a, and a second shared slave station device 20 connected to the first shared slave station device 10. The first shared slave station device 10 is equipped with a first individual function unit 11a corresponding to the first master station device 3a and a second individual function unit 11b corresponding to the second master station device 3b. The second shared slave station device 20 is equipped with a common function unit 21 connected to the first individual function unit 11a and the second individual function unit 11b and functioning regardless of the types of the plurality of master station devices.Type: ApplicationFiled: August 27, 2020Publication date: October 5, 2023Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Hirofumi YAMAMOTO, Keita TAKAHASHI, Hiroko NOMURA
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Publication number: 20230294699Abstract: A method for controlling an acceleration rate of a vehicle includes monitoring a first current speed and a first acceleration rate of the vehicle based on the vehicle moving from a standstill. The method also includes setting an initial target acceleration rate to an adjusted target acceleration rate based on the first acceleration rate satisfying a first acceleration adjustment condition and the first current speed satisfying a second acceleration adjustment condition. The method further includes monitoring a second acceleration rate and a second current acceleration rate of the vehicle based on setting the initial target acceleration rate to the adjusted target acceleration rate. The method still further includes setting the adjusted target acceleration rate to the initial target acceleration rate based on the second acceleration rate satisfying a first target acceleration condition or the second current speed satisfying a second target acceleration condition.Type: ApplicationFiled: March 16, 2022Publication date: September 21, 2023Applicant: TOYOTA RESEARCH INSTITUTE, INC.Inventors: Yiting LIU, Hirofumi YAMAMOTO, Chen BAO
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Publication number: 20230246717Abstract: An optical communication system 1 includes an OLT 100 and an ONU 200. The ONU 200 includes a local power supply reception unit 202 capable of receiving power from an external power supply 300, a station-side power supply reception unit 204 connected to a station-side power supply 110 controlled by the OLT 100, via a power supply cable 120, and a power feeding switching unit 205 capable of selectively switching a state of the ONU 200 between a first state in which power feeding is performed by the local power supply reception unit 202 and a second state in which power feeding is performed by the station-side power supply reception unit 204. Upon an amount of power fed by the local power supply reception unit 202 falling below a prescribed amount in the first state, the ONU 200 transmits a power transmission request signal to the OLT 100 and switches from the first state from the second state via the power feeding switching unit 205.Type: ApplicationFiled: June 24, 2020Publication date: August 3, 2023Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Hirofumi YAMAMOTO, Hirotaka NAKAMURA
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Publication number: 20230187227Abstract: A laminate including a glass plate and a coating layer, wherein the coating layer includes one or more components selected from the group consisting of silicon nitride, titanium oxide, alumina, niobium oxide, zirconia, indium tin oxide, silicon oxide, magnesium fluoride, and calcium fluoride, wherein a ratio (dc/dg) of a thickness dc of the coating layer to a thickness dg of the glass plate is in a range of 0.05×10?3 to 1.2×10?3, and wherein a radius of curvature r1 of the laminate with negating of self-weight deflection is 10 m to 150 m.Type: ApplicationFiled: February 1, 2023Publication date: June 15, 2023Applicant: AGC Inc.Inventors: Hirofumi YAMAMOTO, Yasuhiko AKAO, Teruo FUJIWARA, Nobuhiko IMAJO
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Patent number: 11594426Abstract: A laminate including a glass plate and a coating layer, wherein the coating layer includes one or more components selected from the group consisting of silicon nitride, titanium oxide, alumina, niobium oxide, zirconia, indium tin oxide, silicon oxide, magnesium fluoride, and calcium fluoride, wherein a ratio (dc/dg) of a thickness dc of the coating layer to a thickness dg of the glass plate is in a range of 0.05×10?3 to 1.2×10?3, and wherein a radius of curvature r1 of the laminate with negating of self-weight deflection is 10 m to 150 m.Type: GrantFiled: May 21, 2020Date of Patent: February 28, 2023Assignee: AGC INC.Inventors: Hirofumi Yamamoto, Yasuhiko Akao, Teruo Fujiwara, Nobuhiko Imajo
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Publication number: 20230051824Abstract: A method of producing a glass article includes holding a carrier having a circular shape, in which a glass substrate having a circular shape is retained, with an upper surface plate and a lower surface plate; and polishing the glass substrate by rotating the carrier with respect to the upper surface plate and the lower surface plate, to obtain the glass article. The glass substrate is disposed in the carrier such that, in a top plan view, a center of the carrier is included in a region of the glass substrate, and a center of the glass substrate is shifted from the center of the carrier.Type: ApplicationFiled: October 19, 2022Publication date: February 16, 2023Applicant: AGC Inc.Inventors: Toru MOMOSE, Osamu SATO, Hirofumi YAMAMOTO, Nobuhiko TAKESHITA