Patents by Inventor Masaaki Shimizu

Masaaki Shimizu 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).

  • Publication number: 20220289128
    Abstract: An in-vehicle power supply structure, in which a vehicle is divided into a plurality of zones and a power supply hub for connecting an electronic device is provided in each of the zones, includes a break detection wire routed along a power supply wire, for detecting damage to the power supply wire caused by an external force acting on the vehicle by its own damage. Both ends of the break detection wire are connected to power supply hubs placed adjacent to each other.
    Type: Application
    Filed: July 8, 2020
    Publication date: September 15, 2022
    Applicant: Mazda Motor Corporation
    Inventors: Sadahisa YAMADA, Yoshimasa KUROKAWA, Tetsuhiro YAMASHITA, Masaaki SHIMIZU
  • Publication number: 20220286321
    Abstract: A network hub device used for building a simple network configuration in an in-vehicle network system is provided. A network hub device (30) is coupled to a trunk network through which a digital control signal is transmitted via a communication port (41) and performs input/output of a signal to/from an in-vehicle device via a communication port (42 to 48). A distributing/aggregating section (51) distributes digital control signals received by the communication port (41) to a plurality of signal paths, aggregates digital control signals received via the plurality of signal paths, and transmits an aggregated signal to the communication port (41). A signal conversion section (60) is provided between one of the signal paths and a communication port (45 to 48), and one of the signal paths is coupled to the communication port (42).
    Type: Application
    Filed: July 10, 2020
    Publication date: September 8, 2022
    Applicant: Mazda Motor Corporation
    Inventors: Sadahisa YAMADA, Yoshimasa KUROKAWA, Tetsuhiro YAMASHITA, Masaaki SHIMIZU
  • Publication number: 20220266779
    Abstract: An in-vehicle power supply system includes: a main power supply configured to supply power; one or more power supply hubs; a plurality of electronic devices; a main power cable configured to connect the one or more power supply hubs to the main power supply; a sub power cable configured to connect each of the plurality of electronic devices to any one of the one or more power supply hubs; and a control unit configured to turn on/off power supply to each of the plurality of electronic devices through a power supply hub connected to the electronic device. For the plurality of electronic devices, a predetermined voltage is specified, and it is designed so that, while power is supplied to the plurality of electronic devices connected to the one or more power supply hubs, the predetermined voltage of at least one of the plurality of electronic devices is ensured.
    Type: Application
    Filed: July 21, 2020
    Publication date: August 25, 2022
    Applicant: Mazda Motor Corporation
    Inventors: Sadahisa YAMADA, Kazuichi FUJISAKA, Masaaki SHIMIZU
  • Publication number: 20220266780
    Abstract: An onboard power source system includes: a main power source unit that supplies power; one or a plurality of power source hubs; a plurality of electronic devices; and a main power feeding cable that connects the one or plurality of power source hubs to the main power source unit, in which an electronic device related to power among the plurality of electronic devices and an electronic device related to traveling or safety among the plurality of electronic devices are connected to different power source hubs.
    Type: Application
    Filed: July 17, 2020
    Publication date: August 25, 2022
    Applicant: Mazda Motor Corporation
    Inventors: Sadahisa YAMADA, Kazuichi FUJISAKA, Masaaki SHIMIZU
  • Publication number: 20220266799
    Abstract: An in-vehicle power supply system includes multiple power supply hubs, multiple electronic device, which are connected to the power supply hubs through auxiliary feeder cables, and a control unit which controls on and off of power supply to the electronic devices. The control unit has an approach determination unit, which determines whether a passenger has approached the vehicle, and a power supply start controller, which switches on power supply to at least one of the electronic devices when the approach determination unit determines that the passenger has approached the vehicle.
    Type: Application
    Filed: July 21, 2020
    Publication date: August 25, 2022
    Applicant: Mazda Motor Corporation
    Inventors: Sadahisa YAMADA, Kazuichi FUJISAKA, Masaaki SHIMIZU
  • Publication number: 20220266781
    Abstract: An in-vehicle power supply system includes first to sixth power supply hubs connected to a main feed line routed from a battery, electronic devices connected to the first to sixth power supply hubs, and a relay configured to turn ON or OFF energization of each of the electronic devices. The relay includes a mechanical relay used for an electronic device whose current consumption is higher than or equal to 10 A, and the relay includes a semiconductor relay used for an electronic device whose current consumption is lower than 10 A. The mechanical relay is disposed outside a space of a vehicle cabin and inside a body of a vehicle, the space of the vehicle cabin being surrounded by a water seal that blocks entry of water from an outside of the vehicle into the vehicle cabin.
    Type: Application
    Filed: July 17, 2020
    Publication date: August 25, 2022
    Applicant: Mazda Motor Corporation
    Inventors: Sadahisa YAMADA, Kazuichi FUJISAKA, Masaaki SHIMIZU
  • Publication number: 20220230347
    Abstract: It is possible to estimate a slack level accurately in consideration of a shape of a deformed cable. A point cloud analysis device sets a plurality of regions of interest obtained by window-searching a wire model including a quadratic curve model representing a cable obtained from a point cloud consisting of three-dimensional points on an object, the region of interest being divided into a first region and a second region.
    Type: Application
    Filed: May 8, 2019
    Publication date: July 21, 2022
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Hitoshi NIIGAKI, Masaki WAKI, Masaaki INOUE, Yasuhiro YAO, Tomoya SHIMIZU, Hiroyuki OSHIDA, Kana KURATA, Shingo ANDO, Atsushi SAGATA
  • Publication number: 20220221811
    Abstract: An image forming apparatus includes: a main casing; a photosensitive drum rotatable about an axis extending in a first direction; a developing cartridge; a transfer unit; a solvent cartridge accommodating solvent for dissolving toner; an applicator applying the solvent to the toner on a sheet; and a cover movable between an open position and a closed position. The developing cartridge and the solvent cartridge are detachably attachable to the main casing independently of each other. The developing cartridge and the solvent cartridge are positioned between the applicator and the cover in a second direction crossing the first direction, and the solvent cartridge is positioned closer to the applicator than the developing cartridge is to the applicator in a state where the developing cartridge and the solvent cartridge are attached to the main casing and the cover is at the closed position.
    Type: Application
    Filed: March 29, 2022
    Publication date: July 14, 2022
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Yutaka KAKIGAHARA, Satoshi MURATA, Masataka KAMIYA, Masaaki FURUKAWA, Yasuo FUKAMACHI, Kazutoshi NAKAMURA, Hideshi NISHIYAMA, Keita SHIMIZU, Keita HIRONAKA, Mariko MOGI, Naoya KAMIMURA, Kazuma HINOUE, Kouichi SUGIMOTO, Shinya KUSUDA, Shunji YOSHIMOTO
  • Publication number: 20220215572
    Abstract: Provided is a point cloud analysis device that curbs a decrease in model estimation accuracy due to a laser measurement point cloud. A clustering unit (30) clusters a point cloud representing a three-dimensional point on an object obtained by a measurement unit mounted on a moving body and performing measurement while scanning a measurement position, within a scan line, to obtain a point cloud cluster. A central axis direction estimation unit (32) estimates a central axis direction based on the point cloud cluster. A direction-dependent local effective length estimation unit (34) estimates a local effective length based on an estimated central axis direction and an interval of scan lines, the local effective length being a length when a length of projection of the point cloud cluster in a central axis direction for each of the point cloud clusters is interpolated by an amount of a loss part of the point cloud.
    Type: Application
    Filed: May 8, 2019
    Publication date: July 7, 2022
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Hitoshi NIIGAKI, Yasuhiro YAO, Masaaki INOUE, Tomoya SHIMIZU, Yukihiro GOTO, Shigehiro MATSUDA, Ryuji HONDA, Hiroyuki OSHIDA, Kana KURATA, Shingo ANDO, Atsushi SAGATA
  • Publication number: 20220203909
    Abstract: An in-vehicle power supply system includes first to sixth power supply hubs connected to a main feed line, electronic devices connected to the first to sixth power supply hubs via a sub feed line, and a control device configured to control power feeding to the electronic devices. The control device is configured to control, based on a condition regarding a current consumption of the electronic devices, power feeding to the electronic devices such that the current consumption of the electronic devices is lower than an allowable current consumption that is predetermined in accordance with a scene of using a vehicle.
    Type: Application
    Filed: July 22, 2020
    Publication date: June 30, 2022
    Applicant: Mazda Motor Corporation
    Inventors: Sadahisa YAMADA, Kazuichi FUJISAKA, Masaaki SHIMIZU
  • Publication number: 20220180097
    Abstract: A measurement system includes: measurement target information database that stores measurement point information, including measurement conditions and guidance information for each measurement point, associated with the type of the measurement target; a measuring instrument that performs measurements on the measurement target; an image capturing unit that captures an image of a subject; a display unit; a measurement target identification unit that identifies the type of the measurement target based on the image captured by the image capturing unit; a measurement target information obtaining unit for obtaining the measurement point information corresponding to the type of the measurement target identified by the measurement target identification unit from the measurement target information database; and a setting unit that displays the guidance information included in the measurement point information obtained by the measurement target information obtaining unit on the display unit and sets the measurement con
    Type: Application
    Filed: November 9, 2021
    Publication date: June 9, 2022
    Applicant: MITUTOYO CORPORATION
    Inventors: Takanori ASAMIZU, Masaaki SHIMIZU
  • Patent number: 10421418
    Abstract: The present invention relates to a wire harness arrangement structure of a vehicle, comprising plural component control parts to control plural electric components for governing a drive of the vehicle, a main control part to generate a command signal for providing a command to the plural component control parts, and plural main wire harnesses to transmit the command signal to the plural component control parts. The plural electric components include at least a brake, an engine, a transmission, and a steering, the plural main wire harnesses comprise first signal transmission routes which extend from the main control part to the plural component control parts, respectively, and second signal transmission routes which extend from the main control part to the plural component control parts, respectively, and the command signal is transmitted to the main control part to the plural component control parts through the first and second signal transmission routes.
    Type: Grant
    Filed: July 21, 2017
    Date of Patent: September 24, 2019
    Assignee: MAZDA MOTOR CORPORATION
    Inventors: Masaaki Shimizu, Taro Tamagawa, Sadahisa Yamada, Osamu Michihira
  • Patent number: 10279755
    Abstract: The present invention relates to a wire harness arrangement structure of a vehicle, comprising plural component control parts to control plural electric components for governing a drive of the vehicle, a main control part to generate a command signal for providing a command to the plural component control parts, and plural main wire harnesses to transmit the command signal. The plural electric components include at least a brake, an engine, a transmission, and a steering, and the plural main wire harnesses constitute a signal transmission loop which extends from the main control part and returns to the main control part by way of the plural component control parts.
    Type: Grant
    Filed: July 21, 2017
    Date of Patent: May 7, 2019
    Assignee: MAZDA MOTOR CORPORATION
    Inventors: Sadahisa Yamada, Taro Tamagawa, Masaaki Shimizu, Osamu Michihira
  • Patent number: 10263429
    Abstract: A low-voltage circuit in a bidirectional DC-DC converter converts output AC power from a high-voltage circuit to DC power to charge a smoothing reactor and discharge the smoothing reactor, and includes an active snubber circuit including switching elements and each having a backward diode and a snubber capacitor. The snubber capacitor of the active snubber circuit has its one end connected to a drain end of the switching elements, and has its other end connected to a node between a center tap of a high-frequency transformer and a smoothing reactor.
    Type: Grant
    Filed: January 25, 2016
    Date of Patent: April 16, 2019
    Assignee: OMRON Corporation
    Inventors: Makoto Ohashi, Takeo Nishikawa, Takashi Hyodo, Isao Fujihata, Masayuki Suetomi, Masaaki Shimizu
  • Patent number: 10234186
    Abstract: There is provided an apparatus for manufacturing powdered ice with salinity includes a water supply unit configured to supply a salted water; a spraying unit connected to the water supply unit and configured to generate a pressurized salted water-air mist; an ice generating unit connected to the spraying unit and configured to generate ice nuclei; a collecting unit connected to the ice generating unit and configured to grow the size of the powdered ice and to collect the powdered ice; and a reserving unit connected to the collecting unit and configured to transfer and store the powdered ice.
    Type: Grant
    Filed: November 9, 2017
    Date of Patent: March 19, 2019
    Inventors: James Chun Koh, Shigeaki Sakaguchi, Masaaki Shimizu
  • Patent number: 10057338
    Abstract: A problem is to distribute data efficiently to each computing node in a parallel computing processing system. A parallel computing processing apparatus 1 accomplishes high-speed computing processing by processing the data read out from a plurality of storage apparatuses 106 via an I/O management server 102A and an I/O server 102B in parallel by a plurality of computing servers 101. During the above, when a job is submitted from a user terminal 103, the I/O management server 102A determines, with respect to a program to be executed, which of the computing servers 101 executes each of the processes of the program and whether each of the processes uses a computing acceleration module 105 with referring to a host definition information table 151, a rank arrangement information table 152, an acceleration module location information table 153, and an application characteristics information table 154.
    Type: Grant
    Filed: March 26, 2014
    Date of Patent: August 21, 2018
    Assignee: HITACHI, LTD.
    Inventors: Toshiyuki Ukai, Masaaki Shimizu
  • Patent number: 10053034
    Abstract: A power supply system comprises an electricity storage device provided at a vehicle's front portion, a front relay device provided at the vehicle's front portion and distributing power to a first electric load including electric loads arranged at the vehicle's front portion, a central relay device provided in a vehicle compartment and distributing power to a second electric load including electric loads arranged in the vehicle compartment, a rear relay device provided at a rear portion of the vehicle and distributing power to a third electric load including electric loads arranged at the vehicle's rear portion, a first power line connecting the electricity storage device and the front relay device, a second power line connecting the front relay device and the central relay device, and a third power line connecting the front relay device and the rear relay device.
    Type: Grant
    Filed: January 8, 2015
    Date of Patent: August 21, 2018
    Assignee: MAZDA MOTOR CORPORATION
    Inventors: Yuichiro Tokumaru, Masaaki Shimizu, Osamu Michihira, Kenji Okada
  • Publication number: 20180076972
    Abstract: Plural types of data having different additional information is transmitted and received without standardizing the communication format. A communication system includes a plurality of controllers capable of transmitting and receiving plural types of data which requires different additional information. Each of the controllers includes an additional information control table for specifying the additional information required for each type of the data and an additional information processing part configured to execute a process of the additional information to the data which requires the additional information with reference to the additional information control table. The additional information processing part is configured to add the additional information to the data which requires the additional information when the data is transmitted, and to recognize the additional information added to the data which requires the additional information when the data is received.
    Type: Application
    Filed: February 2, 2016
    Publication date: March 15, 2018
    Inventors: Kouji KASHIWASE, Masatoshi KOBAYASHI, Osamu MICHIHIRA, Kenji OKADA, Masaaki SHIMIZU, Yuichiro TOKUMARU
  • Publication number: 20180029542
    Abstract: The present invention relates to a wire harness arrangement structure of a vehicle, comprising plural component control parts to control plural electric components for governing a drive of the vehicle, a main control part to generate a command signal for providing a command to the plural component control parts, and plural main wire harnesses to transmit the command signal. The plural electric components include at least a brake, an engine, a transmission, and a steering, and the plural main wire harnesses constitute a signal transmission loop which extends from the main control part and returns to the main control part by way of the plural component control parts.
    Type: Application
    Filed: July 21, 2017
    Publication date: February 1, 2018
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Sadahisa YAMADA, Taro TAMAGAWA, Masaaki SHIMIZU, Osamu MICHIHIRA
  • Publication number: 20180029541
    Abstract: The present invention relates to a wire harness arrangement structure of a vehicle, comprising plural component control parts to control plural electric components for governing a drive of the vehicle, a main control part to generate a command signal for providing a command to the plural component control parts, and plural main wire harnesses to transmit the command signal to the plural component control parts. The plural electric components include at least a brake, an engine, a transmission, and a steering, the plural main wire harnesses comprise first signal transmission routes which extend from the main control part to the plural component control parts, respectively, and second signal transmission routes which extend from the main control part to the plural component control parts, respectively, and the command signal is transmitted to the main control part to the plural component control parts through the first and second signal transmission routes.
    Type: Application
    Filed: July 21, 2017
    Publication date: February 1, 2018
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Masaaki SHIMIZU, Taro TAMAGAWA, Sadahisa YAMADA, Osamu MICHIHIRA