Patents by Inventor Hiroki Yamamoto

Hiroki 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).

  • Patent number: 11031831
    Abstract: An electric motor includes an annular stator and a consequent-pole-type rotor including an annular rotor core disposed on the inner side of the stator and a plurality of permanent magnets disposed inside the rotor core and arrayed in a circumferential direction of the rotor core, in which the stator is covered with an unsaturated polyester resin.
    Type: Grant
    Filed: April 21, 2016
    Date of Patent: June 8, 2021
    Assignee: Mitsubishi Electric Corporation
    Inventors: Tomoaki Oikawa, Mineo Yamamoto, Hiroyuki Ishii, Hiroki Aso, Junichiro Oya, Yuto Urabe
  • Publication number: 20210162538
    Abstract: A hybrid welding method and a hybrid welding apparatus that can perform welding without dropping a weld metal even in a case of butt-welding in which a gap is present between base materials is provided. A hybrid welding apparatus according to the present invention is a hybrid welding apparatus that butt-welds a first joint and a second joint using laser welding and arc welding, and includes a laser welding device that includes a laser head that irradiates laser light to a welded portion and an arc welding device that includes a welding torch that supplies a filler metal to the welded portion. It is configured such that the laser head is capable of performing horizontal welding and disposed on an upstream side in a welding direction, the welding torch is capable of performing horizontal welding and disposed on a downstream side in the welding direction, and horizontal welding is performed with the first joint and the second joint disposed vertically so as to obtain a substantially horizontal weld line.
    Type: Application
    Filed: August 23, 2018
    Publication date: June 3, 2021
    Inventors: Katsura OWAKI, Satomi MAKI, Kosei YAMAMOTO, Hiroki MATSUO
  • Patent number: 11022908
    Abstract: An image forming apparatus to form an image on a recording material includes a photosensitive member, an exposure device to form a latent image on the photosensitive member, a tubular body defining a space in which at least a part of the exposure device is contained, and a support portion that supports the exposure device and is provided along a rotation axis direction of the photosensitive member in the space of the tubular body. The image forming apparatus further includes, in the rotation axis direction, a first side plate fixed to one end portion of the tubular body, and a second side plate fixed to another end portion of the tubular body. One support portion end portion in the rotation axis direction is fixed to the first side plate, and another support portion end portion in the rotation axis direction is fixed to the second side plate.
    Type: Grant
    Filed: October 26, 2020
    Date of Patent: June 1, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shoji Yamamoto, Akira Yoshimura, Shogo Nagamine, Naoki Matsushita, Yoshihiko Tanaka, Hisanori Kobayashi, Takatoshi Tanaka, Mitsuhiro Ohta, Hiroki Katayama, Akitoshi Toyota
  • Publication number: 20210159484
    Abstract: A lithium ion rechargeable battery includes an electrode assembly and an electrolyte solution. A negative electrode includes a negative electrode current collector and a negative electrode active material layer formed on a surface of the negative electrode. The negative electrode is doped with lithium. An aperture ratio of the negative electrode current collector is 0% or higher and 0.1% or lower. A discharge capacity ratio X, which is defined by Formula (1): X=C1/C2, is greater than 0, and 0.9 or less. C1 in the Formula (1) is a discharge capacity of a cell when the cell is charged and discharged at a cell voltage between 2.0 V and 4.3 V. C2 in the Formula (1) is a discharge capacity of the negative electrode when the negative electrode is charged and discharged between 0V vs. Li/Li+ and 3V vs. Li/Li+.
    Type: Application
    Filed: April 18, 2019
    Publication date: May 27, 2021
    Applicant: MUSASHI ENERGY SOLUTIONS CO., LTD.
    Inventors: Hiroki YAKUSHIJI, Kazunari AITA, Tomohiro UTAKA, Masaya NAOI, Kenji KOJIMA, Norihiro YAMAMOTO, Nobuo ANDO
  • Publication number: 20210158682
    Abstract: An information notification system includes apparatuses and a first server. The apparatuses include a first device. Each of at least one of the apparatuses includes a sensor unit that discriminates between at least one person and generates a presence-absence signal including presence-absence information about each person. A first device includes a generator that generates a notification signal including notification information that is to be provided to the user and user information for use in identifying the user. A first server includes an information acquirer that acquires the user information, the notification information, and the presence-absence information, and a presentation controller that determines a presumed position of the user presumed based on the user information and the presence-absence information and causes one of apparatuses that are capable of presenting the notification information to the user who is in the presumed position among the apparatuses to present the notification information.
    Type: Application
    Filed: February 20, 2020
    Publication date: May 27, 2021
    Inventors: Kohsuke YAMAMOTO, Masahiro OHHO, Seigo TAKAHASHI, Hiroki URABE
  • Publication number: 20210147624
    Abstract: The invention provides a high-molecular-weight polyethylene glycol derivative that does not cause vacuolation of cells. The degradable polyethylene glycol derivative is represented by the following formula (1): wherein m is 1-7, n1 and n2 are each independently 45-682, p is 1-4, R is an alkyl group having 1-4 carbon atoms, Z is an oligopeptide with 2-8 residues composed of neutral amino acids excluding cysteine, Q is a residue of a compound having 2-5 active hydrogens, X is a functional group capable of reacting with a bio-related substance, and L1, L2, L3, L4 and L5 are each independently a single bond or a divalent spacer.
    Type: Application
    Filed: March 29, 2019
    Publication date: May 20, 2021
    Applicants: NOF Corporation, Tokyo Institute of Technology
    Inventors: Hiroki YOSHIOKA, Masaki KAMIYA, Yuji YAMAMOTO, Midori HIRAI, Akiko SASAKI, Nobuhiro NISHIYAMA, Makoto MATSUI, Hiroyasu TAKEMOTO, Kazuki MIYAUCHI, Takahiro NOMOTO, Keishiro TOMODA
  • Publication number: 20210143550
    Abstract: A coil device comprising a coil, and a ferrite core arranged in a hollow portion of the coil, and a resin covering them; the ferrite core being a Ni ferrite core having initial permeability ?i of 450 or more at a frequency of 100 kHz and a temperature of 20° C., and an average crystal grain size of 5-9 ?m, both of temperature-dependent inductance change ratios TLa and TLb and stress-dependent inductance change ratios PLa and PLb being ?0.6% to +0.6%, and both of the sum of TLa and PLa and the sum of TLb and PLb being more than ?1.0% and less than +1.0%; and an antenna comprising it.
    Type: Application
    Filed: June 7, 2018
    Publication date: May 13, 2021
    Applicant: HITACHI METALS, LTD.
    Inventors: Hiroki YAMAMOTO, Tomoyuki TADA, Satoru TANAKA
  • Patent number: 11005350
    Abstract: A permanent-magnet synchronous motor includes: an annular stator core; a cylindrical rotor disposed inside the stator core, and having a first end face in an axial direction of the stator core and a second end face in the axial direction; a disk-shaped sensor magnet having a plurality of magnetic poles disposed circumferentially, and having a third end face and a fourth end face; and a magnetic sensor disposed so as to be opposed to the fourth end face in the axial direction, and detecting a rotating position of the sensor magnet. When a first thickness means the axial thickness at the center of each of the magnetic poles and a second thickness means the axial thickness of an inter-magnetic-pole portion between adjacent magnetic poles of the magnetic poles, the second thickness is greater than the first thickness.
    Type: Grant
    Filed: September 18, 2015
    Date of Patent: May 11, 2021
    Assignee: Mitsubishi Electric Corporation
    Inventors: Takaya Shimokawa, Kazuhiko Baba, Koji Yabe, Tomoaki Oikawa, Mineo Yamamoto, Hiroyuki Ishii, Junichiro Oya, Hiroki Aso, Yuto Urabe
  • Publication number: 20210129041
    Abstract: The abstract of the disclosure is a thermal-ultrafine bubble generation unit which is configured to generate thermal-ultrafine bubbles by bringing a liquid into film boiling. More specifically, the thermal-ultrafine bubble generation unit in the disclosure includes a temperature detection element that is configured to detect generation of the film boiling.
    Type: Application
    Filed: October 30, 2020
    Publication date: May 6, 2021
    Inventors: Yoshiyuki Imanaka, Takahiro Nakayama, Masahiko Kubota, Akira Yamamoto, Akitoshi Yamada, Yumi Yanai, Hiroyuki Ishinaga, Teruo Ozaki, Toshio Kashino, Hiroki Arai, Kazuki Hirobe, Yukinori Nishikawa, Hisao Okita, Yusuke Komano
  • Publication number: 20210136043
    Abstract: A state replication apparatus (200) generates communication, between a main apparatus (421) and each sub-apparatus (422, 423), to cause a state combination to transit in accordance with transition order specified in an acquisition scenario. The state replication apparatus records each of the communication generated between the main apparatus and the each sub-apparatus. The state replication apparatus acquires a snapshot combination at each of acquisition timings specified in the acquisition scenario. The state replication apparatus replicates each of the main apparatus and the each sub-apparatus in states of a replication state combination based on the acquired each snapshot combination and the recorded each communication.
    Type: Application
    Filed: October 6, 2017
    Publication date: May 6, 2021
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Keisuke KITO, Kiyoto KAWAUCHI, Takumi YAMAMOTO, Hiroki NISHIKAWA
  • Publication number: 20210132521
    Abstract: An image forming apparatus to form an image on a recording material includes a photosensitive member, an exposure device to form a latent image on the photosensitive member, a tubular body defining a space in which at least a part of the exposure device is contained, and a support portion that supports the exposure device and is provided along a rotation axis direction of the photosensitive member in the space of the tubular body. The image forming apparatus further includes, in the rotation axis direction, a first side plate fixed to one end portion of the tubular body, and a second side plate fixed to another end portion of the tubular body. One support portion end portion in the rotation axis direction is fixed to the first side plate, and another support portion end portion in the rotation axis direction is fixed to the second side plate.
    Type: Application
    Filed: October 26, 2020
    Publication date: May 6, 2021
    Inventors: Shoji Yamamoto, Akira Yoshimura, Shogo Nagamine, Naoki Matsushita, Yoshihiko Tanaka, Hisanori Kobayashi, Takatoshi Tanaka, Mitsuhiro Ohta, Hiroki Katayama, Akitoshi Toyota
  • Publication number: 20210107057
    Abstract: A control method of a continuous casting process is a method that injects molten metal from a surface layer nozzle and an inner layer nozzle into a mold and separates the molten metal of a surface layer and the molten metal of an inner layer, the control method including, using a molten metal level meter that measures a surface layer level and a flowmeter that measures a supply flow rate of the molten metal, estimating a boundary layer level on the basis of a measured value of the surface layer level, a measured value of the supply flow rate of the molten metal, and a calculated value of the supply flow rate of the molten metal, and controlling the supply flow rate of the molten metal of the surface layer nozzle and the supply flow rate of the molten metal of the inner layer nozzle.
    Type: Application
    Filed: June 7, 2019
    Publication date: April 15, 2021
    Applicant: NIPPON STEEL CORPORATION
    Inventors: Hiroki YAMAMOTO, Hiroshi KITADA
  • Publication number: 20210104944
    Abstract: A linear-motor type transport device for transporting material for an absorbent article includes: a shaft portion that has an axial direction, a radial direction, and a circumferential direction; a pair of guide portions that is disposed on the shaft portion with a predetermined axial-direction space between the guide portions and that forms an orbital transport path that extends along the circumferential direction; a mobile unit that moves on the transport path along the guide portions while supporting a transport head rotatably about a rotation axis; a cam mechanism that rotates the transport head about the rotation axis through a predetermined angle when the mobile unit is moved on the transport path; and a controller that moves the mobile unit by supplying currents to conductors and generating a propulsive force between one of the conductors and a magnet that is disposed on the mobile unit.
    Type: Application
    Filed: October 2, 2020
    Publication date: April 8, 2021
    Applicant: UNICHARM Corporation
    Inventor: Hiroki Yamamoto
  • Patent number: 10903373
    Abstract: The present invention is directed to a chip diode with a Zener voltage Vz of 4.0 V to 5.5 V, including a semiconductor substrate having a resistivity of 3 m?·cm to 5 m?·cm and a diffusion layer formed on a surface of the semiconductor substrate and defining a diode junction region with the semiconductor substrate therebetween, in which the diffusion layer has a depth of 0.01 ?m to 0.2 ?m from the surface of the semiconductor substrate.
    Type: Grant
    Filed: April 14, 2017
    Date of Patent: January 26, 2021
    Assignee: ROHM CO., LTD.
    Inventor: Hiroki Yamamoto
  • Publication number: 20200396874
    Abstract: A work system includes a mounting system which mounts a component on a board and an unmanned conveyance system having an unmanned conveyance vehicle. The unmanned conveyance system includes a first notifier which notifies the mounting system of an arrival notification indicating that the unmanned conveyance vehicle arrives at a position where separating the feeder carriage from the base starts, and a first processor which causes the unmanned conveyance vehicle to travel in a direction away from the base upon receiving, from the mounting system, a release notification indicating that a connection of the feeder carriage is released. The mounting system includes a second processor which causes the connection mechanism to release the connection of the feeder carriage upon receiving the arrival notification, and a second notifier which notifies the unmanned conveyance system of the release notification upon being informed of completion of the release operation.
    Type: Application
    Filed: September 1, 2020
    Publication date: December 17, 2020
    Inventors: TETSUSHI OHORI, TAKASHI UCHINO, HIROKI YAMAMOTO
  • Patent number: 10867945
    Abstract: A chip part according to the present invention includes a substrate having a penetrating hole, a pair of electrodes formed on a front surface of the substrate and including one electrode overlapping the penetrating hole in a plan view and another electrode facing the one electrode, and an element formed on the front surface side of the substrate and electrically connected to the pair of electrodes.
    Type: Grant
    Filed: September 19, 2019
    Date of Patent: December 15, 2020
    Assignee: ROHM CO., LTD.
    Inventor: Hiroki Yamamoto
  • Publication number: 20200367465
    Abstract: An absorbent sheet for a pet toilet is provided. The pet toilet includes: a sheet accommodating portion that accommodates the absorbent sheet in a space surrounded by a bottom portion and side walls standing from the bottom portion; and an excretion receiving portion that receives excretions above the sheet accommodating portion and guides the excretions to the sheet accommodating portion. The absorbent sheet includes: a topsheet on a top side of the absorbent sheet and that includes fibers; a backsheet on a back side of the absorbent sheet; an absorber between the topsheet and the backsheet; a central region in which the absorber is disposed in plan view; and side regions that extend outside the central region and in which at least the topsheet is disposed.
    Type: Application
    Filed: May 20, 2020
    Publication date: November 26, 2020
    Applicant: UNICHARM CORPORATION
    Inventors: Hiroki Yamamoto, Ayano Okawa, Yasuhiro Sasano, Shinya Kaneko
  • Patent number: 10841456
    Abstract: An information processing apparatus includes circuitry to designate an attribute of an image object to be superimposed with an additional object and perform first identification to identify an image object indicating the attribute designated, among image objects included in image data. The circuitry performs second identification to identify an image object that has not yet been superimposed with an additional object, among image objects identified by the first identification, and generates the additional object to be superimposed on the image object identified by the second identification.
    Type: Grant
    Filed: May 17, 2018
    Date of Patent: November 17, 2020
    Assignee: RICOH COMPANY, LTD.
    Inventors: Fumiko Tsuwano, Hiroki Yamamoto, Hideaki Fujiwara, Yoshikazu Itoh
  • Publication number: 20200346887
    Abstract: A paper folding machine comprising folding mechanisms (11, 15, 24) arranged at folding positions (A-C) on a transport path (1), respectively, guides (8, 19, 20, 28, 29) positioning a paper sheet (F) relative to the folding positions by engagement with at least one side edge of the paper sheet, stoppers (12, 15, 25) stopping and positioning the paper sheet at the folding positions by bringing a leading edge of the paper sheet into contact with the stoppers, a fold misalignment detection unit (50) detecting a fold misalignment amount of the paper sheet for each folding position, and a controller (42) controlling positions of the guides and stoppers. The controller calculates, for each folding position, an average fold misalignment amount, and adjusts the position of the guide and/or stopper associated with the corresponding folding position so as to correct fold misalignment corresponding to the average fold misalignment amount.
    Type: Application
    Filed: November 2, 2017
    Publication date: November 5, 2020
    Applicant: Horizon International Inc.
    Inventors: Hiroki Yamamoto, Shinya Watanabe, Yoshikazu Nakamura, Shigeru Wakimoto, Hideaki Tabuchi
  • Patent number: 10816965
    Abstract: This manufacturing facility management optimization device: on the basis of an operation condition of a manufacturing facility, creates, in a simulated manner in time series, an operation state which includes a measurement value, product yield, and quantities of raw materials consumed, of the manufacturing facility; detects an anomaly from the created operation state; identifies maintenance which corresponds to the detected anomaly, corrects the operation condition on the basis of the identified maintenance, and creates a plurality of post-correction operation condition candidates; creates, in a simulated manner in time series, a plurality of post-correction operation state candidates on the basis of the plurality of post-correction operation condition candidates; on the basis of the product yield and the quantities of raw materials consumed in the plurality of pre- and post-correction operation state candidates, and a unit price, creates a management index for the operation state and each of the plurality of
    Type: Grant
    Filed: March 2, 2017
    Date of Patent: October 27, 2020
    Assignee: Hitachi, Ltd.
    Inventors: Hiroki Yamamoto, Masaaki Mukaide, Yoshinari Hori, Takeshi Terasaki