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: 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
  • Patent number: 9655963
    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: Grant
    Filed: June 27, 2014
    Date of Patent: May 23, 2017
    Assignees: The UAB Research Foundation, US Army Walter Reed Army Medical Center, Chief, Office Of Research, Marketing & Policy Dev Walter Reed Army Institute of Research, Juntendo University School of Medicine, Division of Nephrology, Department of Internal Medicine, University of Tennessee Research Foundation
    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
  • Patent number: 9647479
    Abstract: A charging control device includes a control unit and a monitoring unit. The control unit performs at least one of controlling charging to a rechargeable battery and monitoring a state of a rechargeable battery, while outputting a state signal which indicates an operation state of the control unit. The monitoring unit determines whether or not the operation state of the control unit is a predesignated specified operation state based on the state signal outputted from the control unit.
    Type: Grant
    Filed: October 21, 2014
    Date of Patent: May 9, 2017
    Assignee: MAKITA CORPORATION
    Inventors: Tatsuki Mori, Toru Yamada, Shinichi Hira, Hitoshi Suzuki
  • Publication number: 20170126038
    Abstract: A charger for a hand-held power tool includes a power source interface, a charger base and a charging cradle rotatably supported on the charger base. The rotatable charging cradle includes at least two charging output terminals electrically connected to the power source interface. A power tool system includes the charger and the hand-held power tool. A method of charging the power tool system includes contacting charging input terminals of the power tool with the charging output terminals, rotating the charging cradle and the power tool relative to the charging base and supplying charging current to at least one battery cell while the charging cradle and the power tool are allowed to freely swing relative to the charging base.
    Type: Application
    Filed: January 10, 2017
    Publication date: May 4, 2017
    Inventors: Shuji Yoshikawa, Tatsuya Nagahama, Nobuyasu FURUI, Hitoshi Suzuki, Masaaki FUKUMOTO, Takuya UMEMURA, Kosuke ITO
  • Publication number: 20170125754
    Abstract: An adapter connects a plurality of first battery packs, each having a nominal voltage of about 18-36 volts, in series to an power tool having a rated voltage that is 36 volts or higher. The power tool includes a second battery interface configured to removably attach a second battery pack. The adapter includes a plurality of first battery interfaces configured to removably attach the plurality of first battery packs and having a different physical configuration than the second battery interface. A connector of the adapter is configured to be removably attached to the second battery interface. A plurality of visual indicators is disposed on the adapter such that they have the same or substantially the same illumination direction and they visually indicate at least a level of charge of each of the first battery packs attached to the adapter.
    Type: Application
    Filed: January 11, 2017
    Publication date: May 4, 2017
    Inventors: Tomoyuki Ota, Kiyoshi Nishibe, Hitoshi Suzuki
  • Patent number: 9626303
    Abstract: A data processing apparatus includes an instruction execution section, a protection control information storage section that stores protection control information that includes first protection information, and second protection information that is independent of the first protection information, an instruction protection information storage section that stores instruction protection information for specifying a partial address space of an instruction address space in which to store instructions that are executable by the instruction execution section, a data protection information storage section that stores data protection information for specifying partial address spaces of a data address space in which to store operands to be usable by the instruction execution section, and a protection violation determination section which, when the first protection information includes a first value, makes a determination as to whether to permit the instruction execution section to access the instruction address space a
    Type: Grant
    Filed: June 15, 2015
    Date of Patent: April 18, 2017
    Assignee: RENESAS ELECTRONICS CORPORATION
    Inventors: Rika Ono, Hitoshi Suzuki
  • Patent number: 9612909
    Abstract: A computer system includes an interrupt controller to notify a bus error occurrence, and a multithreaded processor. The multithreaded processor includes a schedule register that settles a sequence of performing a plurality of virtual CPUs and stores data for virtual CPUs to be performed, and a virtual CPU execution portion that performs virtual CPUs according to a sequence settled by the schedule register. Virtual CPUs operate different operating systems (OS's) and include a first virtual CPU that operates a management OS to manage other OS's. When notified of bus error occurrence, the virtual CPU execution portion operates only the first virtual CPU regardless of an execution sequence settled in the schedule register. The first virtual CPU reinitializes a bus where an error occurred.
    Type: Grant
    Filed: October 20, 2015
    Date of Patent: April 4, 2017
    Assignee: RENESAS ELECTRONICS CORPORATION
    Inventors: Hirotaka Motai, Yasuhiro Tawara, Koji Adachi, Hitoshi Suzuki
  • Publication number: 20170093188
    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: Application
    Filed: December 13, 2016
    Publication date: March 30, 2017
    Inventors: Hitoshi SUZUKI, Takuya UMEMURA
  • Patent number: 9606188
    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: Grant
    Filed: July 11, 2013
    Date of Patent: March 28, 2017
    Assignee: MAKITA CORPORATION
    Inventors: Masafumi Noda, Hitoshi Suzuki, Masaaki Fukumoto, Takuya Umemura
  • Patent number: 9593016
    Abstract: A difluorophosphate effective as an additive for a nonaqueous electrolyte for secondary battery is produced by a simple method from inexpensive common materials. The difluorophosphate is produced by reacting lithium hexafluorophosphate with a carbonate in a nonaqueous solvent. The liquid reaction mixture resulting from this reaction is supplied for providing the difluorophosphate in a nonaqueous electrolyte comprising a nonaqueous solvent which contains at least a hexafluorophosphate as an electrolyte lithium salt and further contains a difluorophosphate. Also provided is a nonaqueous-electrolyte secondary battery employing this nonaqueous electrolyte.
    Type: Grant
    Filed: January 6, 2012
    Date of Patent: March 14, 2017
    Assignee: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Ryoichi Kato, Hirofumi Suzuki, Jun Sasahara, Hitoshi Suzuki
  • Patent number: 9595839
    Abstract: An adapter for a power tool powered by a detachable battery pack includes a connector for directly connecting the adapter only to the power tool in a detachable manner, a controller, at least one memory and/or storage device in communication with the controller, and at least one communication port configured to transmit electrical communications from the adapter controller to a controller located in the power tool and vice versa. The adapter is further configured such that, when a battery pack, which also includes a controller, is connected to the power tool, a communication path is established from the battery pack controller to the adapter controller via the power tool controller.
    Type: Grant
    Filed: July 24, 2012
    Date of Patent: March 14, 2017
    Assignee: MAKITA CORPORATION
    Inventors: Nobuyasu Furui, Hitoshi Suzuki, Masaaki Fukumoto, Takuya Umemura, Kosuke Ito, Hitoshi Sengiku
  • Publication number: 20170070068
    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: Application
    Filed: November 10, 2016
    Publication date: March 9, 2017
    Inventors: Kosuke Ito, Hitoshi Suzuki, Akira Naito
  • Publication number: 20170070067
    Abstract: A battery system for a power tool includes two or more battery packs (12), at least one battery holder (14) adapted to detachably engage two or more of the battery packs and a charger (16, 216, 316, 416) adapted to detachably engage the battery holder and to simultaneously electrically communicate with two or more of the battery packs while the at least one battery holder engages both the charger and the battery packs.
    Type: Application
    Filed: November 1, 2016
    Publication date: March 9, 2017
    Inventors: Hitoshi Suzuki, Kosuke ITO, Akira Naito
  • Publication number: 20170062877
    Abstract: An information setting apparatus in one aspect of the present disclosure comprises a clock information device, an information receiving device, a permission time calculating device, and an information setting device. The permission time calculating device calculates an operation permission time based on current time information stored in the clock information device and on start time information received by the information receiving device. The information setting device sets operation limitation information, including the operation permission time to at least one of a battery pack or an electrically-driven working machine.
    Type: Application
    Filed: August 23, 2016
    Publication date: March 2, 2017
    Applicant: MAKITA CORPORATION
    Inventors: Masaaki FUKUMOTO, Hitoshi SUZUKI, Hironori OGURA, Miki TOMIYASU
  • Patent number: 9583746
    Abstract: An electric power tool comprises a main body supporting a tool and an electric motor housed in the main body for driving the tool. A plurality of first battery interfaces is configured to removably receive or attach a plurality of first battery packs and to electrically connect the plurality of attached first battery packs in series with the electric motor. A plurality of indicators is configured to communicate information concerning the respective conditions of the plurality of attached first battery packs. The plurality of indicators is arranged such that all of the indicators are simultaneously viewable by a user of the electric power tool.
    Type: Grant
    Filed: July 24, 2015
    Date of Patent: February 28, 2017
    Assignee: MAKITA CORPORATION
    Inventors: Tomoyuki Ota, Kiyoshi Nishibe, Hitoshi Suzuki
  • Patent number: 9581764
    Abstract: The present invention provides an optical coupling member and an optical connector using the optical coupling member, capable of improving the efficiency of an assembly work of the optical connector and positioning optical fibers in the optical connector with high accuracy. The optical coupling member (10) has: holding members (11) for being able to hold optical fibers (21) that are inserted from insertion holes (11a) formed at end parts; lenses housed in housing parts formed at opposite end parts of the holding members (11); and a joining member (13) for connecting the holding members (11) as aligned in parallel to each other, the joining member being formed of an elastic material.
    Type: Grant
    Filed: April 30, 2013
    Date of Patent: February 28, 2017
    Assignee: MITSUBISHI PENCIL COMPANY, LIMITED
    Inventors: Hitoshi Suzuki, Hajime Sumitomo, Akihito Mitsui, Naohiko Moriya