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).

  • Optical coupling member and optical connector using the same
    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
  • Charger for hand-held power tool, power tool system and method of charging a power tool battery
    Patent number: 9577450
    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: Grant
    Filed: July 19, 2012
    Date of Patent: February 21, 2017
    Assignee: MAKITA CORPORATION
    Inventors: Shuji Yoshikawa, Tatsuya Nagahama, Nobuyasu Furui, Hitoshi Suzuki, Masaaki Fukumoto, Takuya Umemura, Kosuke Ito
  • LITHIUM SECONDARY BATTERIES AND NONAQUEOUS ELECTROLYTE FOR USE IN THE SAME
    Publication number: 20170040593
    Abstract: Provided is a lithium secondary battery having a nonaqueous electrolyte which contains at least one compound selected from the group consisting of monofluorophosphoric acid salts; and difluorophosphoric acid salts, in an amount of 10 ppm or more of the whole nonaqueous electrolyte, and a negative electrode selected from [1], [2], [3] and [6]: [1]: a negative electrode containing two or more carbonaceous substances differing in crystallinity; [2]: a negative electrode containing an amorphous carbonaceous substance which, when examined by wide-angle X-ray diffractometry, has an interplanar spacing (d002) for the (002) planes of 0.337 nm or larger and a crystallite size (Lc) of 80 nm or smaller and which, in an examination by argon ion laser Raman spectroscopy, has a Raman. R value of 0.
    Type: Application
    Filed: October 12, 2016
    Publication date: February 9, 2017
    Applicant: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Hidekazu MIYAGI, Ryoichi KATO, Masakazu YOKOMIZO, Hiroyuki UONO, Hitoshi MATSUMOTO, Tomohiro SATOU, Minoru KOTATO, Takayuki NAKAJIMA, Hitoshi SUZUKI, Hiroyuki OSHIMA
  • Electric power tool system
    Patent number: 9553466
    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: November 4, 2014
    Date of Patent: January 24, 2017
    Assignee: MAKITA CORPORATION
    Inventors: Hitoshi Suzuki, Takuya Umemura
  • Adapter for power tools, power tool system and method for wirelessly communicating maintenance information therefor
    Patent number: 9537335
    Abstract: An adapter for a power tool powered by a detachable battery pack which adapter includes a connector configured to detachably connect the adapter directly to the power tool, an adapter controller, at least one memory and/or storage device in communication with the adapter controller and configured to store maintenance information concerning the battery pack or to store maintenance information concerning the battery pack and the power tool, at least one communication port configured to transmit electrical communications, including said maintenance information, from the adapter controller to a controller located in the power tool and vice versa, and a transmitter configured to wirelessly transmit the maintenance information to an external device.
    Type: Grant
    Filed: July 24, 2012
    Date of Patent: January 3, 2017
    Assignee: MAKITA CORPORATION
    Inventors: Nobuyasu Furui, Hitoshi Suzuki, Masaaki Fukumoto, Takuya Umemura, Kosuke Ito, Hitoshi Sengiku
  • Battery system for a power tool, as well as battery holder therefor, charger, and charging system
    Patent number: 9537336
    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: Grant
    Filed: December 25, 2012
    Date of Patent: January 3, 2017
    Assignee: MAKITA CORPORATION
    Inventors: Hitoshi Suzuki, Kosuke Ito, Akira Naito
  • COMMUNICATION DEVICE
    Publication number: 20160370831
    Abstract: A communication device includes multiple card slots to which processing cards are attachable, multiple power supply systems that are capable of supplying a current from a power source to each of the multiple card slots, and a control unit that connects the card slot to which the processing card is attached among the multiple card slots to any of the multiple power supply systems, the number of power supply systems that is connected to the card slot to which the processing card is attached corresponding to a total consumption current of the processing card that is attached to the card slot.
    Type: Application
    Filed: April 25, 2016
    Publication date: December 22, 2016
    Applicant: FUJITSU LIMITED
    Inventors: Hiroyoshi Sato, Nobuyuki Nuimura, Hitoshi Suzuki, TOSHINORI IIOKA
  • Battery charger having angled wall in battery receiving opening, and battery pack charging system and cordless power tool system including same
    Patent number: 9525293
    Abstract: A charger (40; 240; 340) charges a battery pack (20) that is detachably attachable to a cordless power tool (12). The charger has at least a first side wall (44b) that at least partially defines a battery pack receiving hole (44; 244) shaped to receive and accommodate the battery pack. A charging output element (62; 362) supplies charging power to the battery pack. The battery pack receiving hole has a lateral cross sectional area that decreases downwardly in the vertical direction of the battery pack receiving hole such that gravity causes the battery pack to be guided to a prescribed position within the battery pack receiving hole. In addition, the charging output element is positioned so as to be proximal to a corresponding charging power input element of the battery pack when the battery pack is disposed in the prescribed position.
    Type: Grant
    Filed: December 25, 2012
    Date of Patent: December 20, 2016
    Assignee: MAKITA CORPORATION
    Inventors: Kosuke Ito, Hitoshi Suzuki, Akira Naito
  • Battery pack including a shock absorbing device and arrangement of circuit boards
    Patent number: 9502699
    Abstract: One aspect according to the present invention includes a battery pack and a shock absorbing device interposed between a battery cell holder and a case body and capable of keeping the battery cell holder and the battery cells not to directly contact with an inner surface of the case body.
    Type: Grant
    Filed: December 4, 2013
    Date of Patent: November 22, 2016
    Assignee: MAKITA CORPORATION
    Inventors: Tsuyoshi Murayama, Hideyuki Taga, Kazutoshi Ogino, Hidekazu Hayashi, Hitoshi Suzuki
  • Battery unit
    Patent number: 9490506
    Abstract: A battery unit in one aspect of an embodiment of the present disclosure includes a plurality of cell assemblies, a positive electrode connection terminal, a negative electrode connection terminal, a plurality of switch sections, a control section, and a simultaneous on-suppression section. When an on-command signal is output from the control section to at least two of the plurality of the switch sections, the simultaneous on-suppression section performs one of enabling the on-command signal to one of the at least two switch sections and disabling the on-command signal to all of the at least two switch sections, so as to suppress the at least two switch sections from being turned on at the same time.
    Type: Grant
    Filed: June 19, 2014
    Date of Patent: November 8, 2016
    Assignee: MAKITA CORPORATION
    Inventor: Hitoshi Suzuki
  • Thread scheduling in a system with multiple virtual machines
    Patent number: 9465610
    Abstract: A semiconductor device includes an execution unit that executes an arithmetic instruction, and a scheduler including multiple first setting registers each defining a correspondence relationship between hardware threads and partitions, and which generates a thread select signal on the basis of a partition schedule and a thread schedule. The scheduler outputs a thread select signal designating a specific hardware thread, without depending on the thread schedule as the partition indicated by a first occupation control signal, according to a first occupation control signal output when the execution unit executes a first occupation start instruction.
    Type: Grant
    Filed: April 9, 2013
    Date of Patent: October 11, 2016
    Assignee: Renesas Electronics Corporation
    Inventors: Hitoshi Suzuki, Koji Adachi
  • Motor-driven appliance system and method for controlling the system
    Patent number: 9467084
    Abstract: A motor-driven appliance system in one aspect of an embodiment of the present disclosure includes a motor-driven appliance having a motor, at least one control circuit, and a communication device. The control circuit is configured to execute a process related to control of the motor-driven appliance. The communication device is configured to communicate with an external device. The control circuit is further configured to switch, when at least one predetermined sleep condition is satisfied, from an active mode in which the control circuit performs a normal operation to a sleep mode in which the control circuit stops part of the normal operation to thereby suppress power consumption; and to switch to the active mode when the communication device receives an external wakeup signal transmitted from the external device while the control circuit is in the sleep mode.
    Type: Grant
    Filed: March 26, 2014
    Date of Patent: October 11, 2016
    Assignee: MAKITA CORPORATION
    Inventors: Hitoshi Suzuki, Masafumi Noda, Masaaki Fukumoto
  • Battery pack
    Patent number: 9465079
    Abstract: A battery pack includes: a battery; a notification unit configured to notify that a fully charged state is reached; a determination unit configured to determine whether the fully charged state is reached; a processing unit configured to execute a full charge process if the fully charged state is determined, the full charge process being one of causing the notification unit to make a notification and maintaining a possible state, in which making a notification is possible; and a factor detection unit configured to detect occurrence of a predetermined increase factor during execution of the full charge process, the increase factor leading to increase in a chargeable capacity of the battery as compared with the time when the fully charged state is determined. The processing unit stops the full charge process if occurrence of the increase factor is detected during execution of the full charge process.
    Type: Grant
    Filed: June 20, 2014
    Date of Patent: October 11, 2016
    Assignee: MAKITA CORPORATION
    Inventors: Hitoshi Suzuki, Masaaki Fukumoto, Hidenori Nagasaka
  • Method of manufacturing circuit board, method of manufacturing electronic device, and electronic device
    Patent number: 9386700
    Abstract: A method of manufacturing a circuit board includes forming a first electrode on a support substrate, covering the support substrate and the first electrode with a first insulating layer, polishing the first insulating layer to expose a first surface of the first electrode, forming a first wiring on the first insulating layer after exposing the first surface of the first electrode, the first wiring being connected to the first electrode, and removing the support substrate to expose a second surface of the first electrode after forming the first wiring.
    Type: Grant
    Filed: January 12, 2015
    Date of Patent: July 5, 2016
    Assignee: FUJITSU LIMITED
    Inventors: Kazuya Arai, Shinpei Ikegami, Hitoshi Suzuki, Kei Fukui
  • Grip apparatus, control method for the grip apparatus, and robot manipulator
    Patent number: 9375838
    Abstract: A grip apparatus includes a robot hand including plural fingers and pressure sensitive conductive rubber provided to the finger and configured to output a detection signal equivalent to acting force. The pressure sensitive conductive rubber is covered by a cover member. The grip apparatus also includes a control unit configured to cause the plural fingers to perform an opening or closing operation and compare a detection value based on the detection signal from the pressure sensitive conductive rubber with a threshold to determine whether the robot hand grips the work or releases the work. During a period from a time when the closing operation is started until a time when the fingers contacts the work, the control unit samples the detection signal of the pressure sensitive conductive rubber and sets the threshold as a value higher than a detection value at a time of this sampling.
    Type: Grant
    Filed: November 28, 2012
    Date of Patent: June 28, 2016
    Assignee: Canon Kabushiki Kaisha
    Inventor: Hitoshi Suzuki
  • ELECTRIC POWER TOOL AND DUST COLLECTOR
    Publication number: 20160175895
    Abstract: An electric power tool includes a wireless transmission unit and a transmission control unit that causes the wireless transmission unit to transmit a linking signal to a dust collector to thereby cause the dust collector to operate in a linked manner. An operation mode of the transmission control unit is shifted from a normal mode to a pairing mode by operation of an operation unit. When in the pairing mode, the transmission control unit causes the wireless transmission unit to transmit a pairing request signal to the dust collector. In this way, the electric power tool can be registered in the dust collector as a link target appliance.
    Type: Application
    Filed: December 10, 2015
    Publication date: June 23, 2016
    Applicant: MAKITA CORPORATION
    Inventor: Hitoshi SUZUKI
  • Optical coupling member and optical connector using the same, and optical coupling member holding member
    Patent number: 9372313
    Abstract: An optical coupling member includes an optical fiber (13), a holder (11) that holds the optical fiber inserted from an insertion hole (11a) formed at one end, and a lens such as a collimator lens (12) accommodated in an accommodation section (11c) formed at the other end of the holder (11), the optical coupling member performing positioning by causing at least one of the lens and the end face of the optical fiber (13) to come into contact with an abutting surface (11e1, 11e2) formed in the vicinity of the accommodation section (11c) by providing a recess (11e) on an outer circumference near the accommodation section (11c) of the holder (11), in which a plurality of the recesses (11e) are provided on an identical plane orthogonal to an insertion direction of the optical fiber (13).
    Type: Grant
    Filed: May 23, 2012
    Date of Patent: June 21, 2016
    Assignee: MITSUBISHI PENCIL COMPANY, LIMITED
    Inventors: Hitoshi Suzuki, Naohiko Moriya, Kiyoshi Iwamoto
  • DUST COLLECTOR
    Publication number: 20160151846
    Abstract: A dust collector in one aspect of the present invention comprises a dust collection portion, a communication portion, and an interlock operation control portion. When the communication portion receives an interlock command transmitted from an electric working machine, the interlock operation control portion makes the dust collection portion operate interlocking with the electric working machine. The interlock operation control portion includes a storage portion, in which identification information specific to the electric working machine with which the dust collection portion is to be made to perform the interlock operation is stored.
    Type: Application
    Filed: August 1, 2014
    Publication date: June 2, 2016
    Applicant: MAKITA CORPORATION
    Inventor: Hitoshi SUZUKI
  • MICROCOMPUTER AND METHOD FOR CONTROLLING MEMORY ACCESS
    Publication number: 20160147673
    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: Application
    Filed: February 2, 2016
    Publication date: May 26, 2016
    Inventors: Rika ONO, Hitoshi SUZUKI
  • Electrical device system and battery pack
    Patent number: 9341681
    Abstract: An electrical device system having a battery pack, an electrical device, and a charging device, includes: a current detecting unit that detects a battery current flowing through the battery during a charge to or a discharge from the battery; a battery state detecting unit that detects at least one of a battery voltage and a temperature of a heat generating unit; and a determining unit that estimates an amount of change in at least one of the battery voltage and the temperature of the heat generating unit, based on the battery current, and calculates an amount of actual change in at least one of the battery voltage and the temperature of the heat generating unit, wherein the determining unit determines that the current detecting unit is abnormal, when the difference between the calculated amount of actual change and the estimated amount of change is a default value or more.
    Type: Grant
    Filed: March 28, 2014
    Date of Patent: May 17, 2016
    Assignee: MAKITA CORPORATION
    Inventors: Tadahiko Kobayakawa, Hitoshi Suzuki, Masaaki Fukumoto