Patents by Inventor Hitoshi Suzuki

Hitoshi Suzuki 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: 9904631
    Abstract: A memory control system includes a memory connected to a memory bus, the memory including a plurality of access areas, a memory controller connected to the memory bus, a plurality of registers corresponding to the plurality of access areas, each of the plurality of registers configured to set an access permission or prohibition for a corresponding access area, a CPU (Central Processing Unit) configured to issue a first access request for accessing one of the plurality of access areas, and a memory access controller configured to determine whether an access to the memory is permissible or prohibited using the first access request and the plurality of registers, the memory access controller outputting a second access request in accordance with a determination result.
    Type: Grant
    Filed: February 2, 2016
    Date of Patent: February 27, 2018
    Assignee: RENESAS ELECTRONICS CORPORATION
    Inventors: Rika Ono, Hitoshi Suzuki
  • Publication number: 20180038487
    Abstract: A mechanical seal device for use in a water environment includes: a stationary sealing ring made of SiC; and a rotating sealing ring made of SiC and arranged opposite to the stationary sealing ring, the mechanical seal device bringing opposite sliding surfaces of the stationary sealing ring and the rotating sealing ring into close contact with each other to seal a sealed fluid, wherein at least one of the sealing rings including the sliding surfaces is configured by a sintered compact of a material including SiC as a base material compounded with an Al additive, and a specific resistance value of the sealing ring configured by the sintered compact including the sliding surface is equal to or lower than 100 ?·cm.
    Type: Application
    Filed: March 3, 2016
    Publication date: February 8, 2018
    Inventors: Keitaro Nakamura, Hitoshi Suzuki, Haruhiro Osada
  • Publication number: 20180039242
    Abstract: An HIL simulation system includes: an arithmetic device executing an input process of receiving input data transferred from software to a memory and an output process of transferring output data to the memory; an operation state designating unit designating an operation state indicating the number of times of the output process to the number of times of the input process of the arithmetic device based on an input time unit as an interval in which the software transfers input data to the memory and an output time unit as an interval in which the software receives output data transferred from the arithmetic device to the memory; and a plurality-of-times execution control unit controlling the number of times of the input process and the output process of the arithmetic device and controlling stop of the arithmetic device based on the operation state designated by the operation state designating unit.
    Type: Application
    Filed: July 28, 2017
    Publication date: February 8, 2018
    Inventors: Takashi HIGUCHI, Hitoshi SUZUKI
  • Patent number: 9866046
    Abstract: A charger charges a rechargeable battery pack of a cordless power tool. The charger includes at least one wall that at least partially defines a battery pack receiving space for the battery pack, a first guide extending away from the at least one wall, and a second guide extending away from the at least one wall and spaced from the first guide. The at least one wall, the first guide and the second guide are configured to guide the battery pack to a prescribed position relative to the at least one wall. The first guide and the second guide each include a portion inclined relative to the insertion direction by an angle of inclination such that the distance between the inclined portion of the first guide and the inclined portion of the second guide decreases in the insertion direction.
    Type: Grant
    Filed: November 10, 2016
    Date of Patent: January 9, 2018
    Assignee: MAKITA CORPORATION
    Inventors: Kosuke Ito, Hitoshi Suzuki, Akira Naito
  • Publication number: 20180003773
    Abstract: A charge control device of one example of the present invention comprises a temperature detection unit, a storage unit, and an upper limit setting unit. The storage unit stores a reference current characteristic and at least one of a first current characteristic and a second current characteristic as a charging current characteristic, and stores a reference voltage characteristic and at least one of a first voltage characteristic and a second voltage characteristic as a charging voltage characteristic. The upper limit setting unit selects a characteristic used to set upper limits of a charging current and a charging voltage to the battery from among a plurality of the charging current characteristics and a plurality of the charging voltage characteristics stored in the storage unit.
    Type: Application
    Filed: September 12, 2017
    Publication date: January 4, 2018
    Applicant: MAKITA CORPORATION
    Inventors: Takuya UMEMURA, Tadahiko KOBAYAKAWA, Hitoshi SUZUKI
  • Publication number: 20170360927
    Abstract: Provided are methods of diagnosing IgA nephropathy in a subject. Optionally, the methods comprise isolating an IgG from the subject and determining whether the IgG binds to a galactose-deficient IgA1. Optionally, the methods comprise providing a biological sample from the subject and detecting in the sample a mutation in a IGH gene, wherein the mutation is in a nucleotide sequence encoding a complementarity determining region 3 (CDR3) of a IGH variable region. Optionally, the methods comprise determining a level of IgG specific for a galactose-deficient IgA1 in the subject. Also provided are methods of treating or reducing the risk of developing IgA nephropathy in a subject.
    Type: Application
    Filed: April 24, 2017
    Publication date: December 21, 2017
    Inventors: Hitoshi Suzuki, Run Fan, Bruce A. Julian, Jan Novak, Zina Moldoveanu, Zhixin Zhang, Milan Tomana, Jiri Mestecky, Robert J. Wyatt, Yasuhiko Tomino, Yusuke Suzuki, Stephen Olson, Matthew B. Renfrow
  • Publication number: 20170331161
    Abstract: A battery device in one aspect of the present disclosure comprises a battery, a cell voltage monitoring part, a power supply line, a plurality of monitor lines, and an interrupter. The interrupter interrupts the power supply line and all of the plurality of monitor lines when the battery enters an overdischarge state.
    Type: Application
    Filed: May 9, 2017
    Publication date: November 16, 2017
    Applicant: MAKITA CORPORATION
    Inventor: Hitoshi SUZUKI
  • Patent number: 9819203
    Abstract: An electric power tool system comprises a tool main body, a battery pack detachably attached to the tool main body, and a first charger that charges the battery pack. The first charger comprises a rechargeable battery that supplies current to at least one rechargeable battery of the battery pack. The at least one rechargeable battery of the first charger preferably has a larger charge storage capacity than the at least one rechargeable battery of the battery pack.
    Type: Grant
    Filed: December 13, 2016
    Date of Patent: November 14, 2017
    Assignee: MAKITA CORPORATION
    Inventors: Hitoshi Suzuki, Takuya Umemura
  • Patent number: 9799971
    Abstract: A plug connector includes a substrate-side housing, a fitting-side housing, a plurality of terminals having movable springs. The fitting-side housing is formed by a plurality of divided housings. The fitting-side housing is formed by a plurality of divided housings moveable separately in a width direction of the connector. The substrate-side housing includes a receiving chamber that receives the divided housings therein and an abutment receiving portion against which the divided housings displaced inside the receiving chamber abut. The terminals are disposed in each of the divided housings, and have contact portions inside the substrate-side housing and the divided housings, and the contact portions are to be in conductive contact with the connection object. The movable springs support each of the divided housings displaceably relative to the substrate-side housing.
    Type: Grant
    Filed: September 16, 2016
    Date of Patent: October 24, 2017
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, IRISO ELECTRONICS CO., LTD.
    Inventors: Kayoko Ninomiya, Nobutoshi Hagiwara, Yuki Ide, Hitoshi Suzuki, Hiroaki Kobayashi, Yoshiyuki Ogura
  • Patent number: 9784795
    Abstract: A charge control device of one example of the present invention comprises a temperature detection unit, a storage unit, and an upper limit setting unit. The storage unit stores a reference current characteristic and at least one of a first current characteristic and a second current characteristic as a charging current characteristic, and stores a reference voltage characteristic and at least one of a first voltage characteristic and a second voltage characteristic as a charging voltage characteristic. The upper limit setting unit selects a characteristic used to set upper limits of a charging current and a charging voltage to the battery from among a plurality of the charging current characteristics and a plurality of the charging voltage characteristics stored in the storage unit.
    Type: Grant
    Filed: June 17, 2015
    Date of Patent: October 10, 2017
    Assignee: MAKITA CORPORATION
    Inventors: Takuya Umemura, Tadahiko Kobayakawa, Hitoshi Suzuki
  • Patent number: 9780583
    Abstract: A method for recharging a battery pack includes attaching a portable charger to a user, which portable charger includes or is attached to a self-contained power supply and wherein a first charging port of the portable charger is disposed, e.g., on a belt worn by the user, hanging the battery pack on the belt while the battery pack is physically engaged and in electrical communication with a power tool, and initiating a transfer of power from the charger to the battery pack when the first charging port is at least proximal to a second charging port that is in electrical communication with at least one battery cell of the battery pack. A portable charging system capable of performing this method, as well as an adapter for use in performing this method, are also disclosed.
    Type: Grant
    Filed: July 24, 2012
    Date of Patent: October 3, 2017
    Assignee: MAKITA CORPORATION
    Inventors: Nobuyasu Furui, Hitoshi Suzuki, Masaaki Fukumoto, Takuya Umemura, Kosuke Ito, Hitoshi Sengiku, Shuji Yoshikawa, Tatsuya Nagahama
  • Patent number: 9774273
    Abstract: An electric device in one aspect of the present disclosure comprises a connector, a power supply unit, a connection-detection unit, and a control unit. The control unit is configured to control electric power supplied to the power supply unit from a battery so as to increase electric power supplied to the power supply unit when the connection-detection unit detects that an external device is connected to the connector.
    Type: Grant
    Filed: August 25, 2015
    Date of Patent: September 26, 2017
    Assignee: MAKITA CORPORATION
    Inventors: Hitoshi Suzuki, Toshiyasu Kasuya, Hiroki Oka
  • Publication number: 20170264032
    Abstract: A plug connector includes a substrate-side housing, a fitting-side housing, a plurality of terminals having movable springs. The fitting-side housing is formed by a plurality of divided housings. The fitting-side housing is formed by a plurality of divided housings moveable separately in a width direction of the connector. The substrate-side housing includes a receiving chamber that receives the divided housings therein and an abutment receiving portion against which the divided housings displaced inside the receiving chamber abut. The terminals are disposed in each of the divided housings, and have contact portions inside the substrate-side housing and the divided housings, and the contact portions are to be in conductive contact with the connection object. The movable springs support each of the divided housings displaceably relative to the substrate-side housing.
    Type: Application
    Filed: September 16, 2016
    Publication date: September 14, 2017
    Applicants: Toyota Jidosha Kabushiki Kaisha, Iriso Electronics Co., Ltd.
    Inventors: Kayoko Ninomiya, Nobutoshi Hagiwara, Yuki Ide, Hitoshi Suzuki, Hiroaki Kobayashi, Yoshiyuki Ogura
  • Publication number: 20170264051
    Abstract: In a substrate-side housing of a plug connector and a housing of a socket connector, an abutment receiving portion and a columnar projection are provided to disable the socket connector from being inserted into the substrate-side housing when the socket connector is misaligned beyond a movable range of a fitting-side housing of the plug connector.
    Type: Application
    Filed: September 16, 2016
    Publication date: September 14, 2017
    Applicants: Toyota Jidosha Kabushiki Kaisha, Iriso Electronics Co., Ltd.
    Inventors: Kayoko Ninomiya, Nobutoshi Hagiwara, Yuki Ide, Hitoshi Suzuki, Hiroaki Kobayashi, Yoshiyuki Ogura
  • Patent number: 9748780
    Abstract: An electric power tool system comprises a tool main body, a battery pack detachably attached to the tool main body and a first charger that charges the battery pack. The first charger is detachably attached to the tool main body and/or the battery pack. The first charger is capable of charging the battery pack while the battery pack is attached to the tool main body. The first charger is preferably cordless and contains at least rechargeable battery for storing energy to charge the battery pack.
    Type: Grant
    Filed: October 29, 2014
    Date of Patent: August 29, 2017
    Assignee: MAKITA CORPORATION
    Inventors: Hitoshi Suzuki, Takuya Umemura
  • Patent number: 9723959
    Abstract: A dust collector interlocking system includes a transmitter provided in the electric power tool and capable of transmitting a radio signal, and a receiver provided in the suction hose of the dust collector and capable of receiving the radio signal from the transmitter of the electric power tool. The transmitter transmits a drive signal of the electric power tool, and the receiver receives the drive signal of the electric power tool from the transmitter to turn on a start switch of the dust collector.
    Type: Grant
    Filed: April 3, 2014
    Date of Patent: August 8, 2017
    Assignee: MAKITA CORPORATION
    Inventor: Hitoshi Suzuki
  • Publication number: 20170222582
    Abstract: An electric working machine according to one aspect of the present disclosure comprises a brushless motor, a rotational position sensor, a detector, and a calculator. The calculator detects, when the brushless motor is inertially rotated, a difference between a detection result obtained by the rotational position sensor and a detection result obtained by the detector and calculates a correction value, based on the difference, for correcting the detection result obtained by the rotational position sensor.
    Type: Application
    Filed: January 24, 2017
    Publication date: August 3, 2017
    Applicant: MAKITA CORPORATION
    Inventor: Hitoshi SUZUKI
  • Publication number: 20170193761
    Abstract: A communication adapter in one aspect of the present disclosure comprises a plurality of outer surfaces comprising at least two outer surfaces, an interface device, an antenna, and a transmission device. The interface device is provided at at least one outer surface of the at least two outer surfaces and electrically coupled to an electric working machine through the at least one outer surface. The antenna is provided at another at least one outer surface, which is different from the at least one outer surface, among the plurality of outer surfaces, and configured to be capable of transmitting a radio wave for wireless communication with a communication device other than the electric working machine from the another at least one outer surface.
    Type: Application
    Filed: December 27, 2016
    Publication date: July 6, 2017
    Applicant: MAKITA CORPORATION
    Inventor: Hitoshi SUZUKI
  • Publication number: 20170177431
    Abstract: A computer system includes a first bus, a second bus, and a third bus, a first bus bridge that is disposed between the first bus and the second bus, and detects a bus error on the second bus, a second bus bridge that is disposed between the second bus and the third bus, and detects a bus error on the third bus, a first device coupled to the second bus, a second device coupled to the third bus, an interrupt controller that notifies a bus error in accordance with the detection of the bus error, and a multi-thread processor. The multi-thread processor includes a schedule register that stores an execution order and data for a plurality of virtual CPUs, and a virtual CPU execution circuit that executes the virtual CPUs in accordance with the execution order.
    Type: Application
    Filed: March 6, 2017
    Publication date: June 22, 2017
    Inventors: Hirotaka Motai, Yasuhiro Tawara, Koji Adachi, Hitoshi Suzuki
  • Publication number: 20170160346
    Abstract: A measurement system according to one aspect of the present invention includes a battery pack and at least one type of connected device to which the pack is connected. The pack includes a first detection device detecting a predetermined physical quantity in the pack and having a predetermined measurement range. The connected device includes a second detection device detecting a physical quantity the same as the predetermined physical quantity and having a measurement range different from the range of the first detection device. One of the pack and the connected device includes a receiving device and a measurement processing device that performs a predetermined measurement process by using one of: a detection-value-related information received by the receiving device; and a detection result by one device of the first detection device and the second detection device, the one device being provided in one of the pack and the connected device.
    Type: Application
    Filed: February 16, 2017
    Publication date: June 8, 2017
    Applicant: MAKITA CORPORATION
    Inventors: Masafumi NODA, Hitoshi SUZUKI, Masaaki FUKUMOTO, Takuya UMEMURA