Patents by Inventor Hajime Takeuchi

Hajime Takeuchi 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: 11165172
    Abstract: A female terminal (12) to be connected to an end of a wire (11) is provided with a wire connecting portion (19) including a base (22) and first and second pinching portions (14, 15) extending along an extending direction from the base (22) and configured to pinch the wire (11), and a sliding portion (18) movable along the extending direction and including first pressing portions (16A, 16B) and second pressing portions (17A, 17B) for pressing the first and second pinching portions (14, 15) toward the wire (11) by coming into contact with the first and second pinching portions (14, 15). The first pressing portions (16A, 16B) and the second pressing portions (17A, 17B) project toward the first and second pinching portions (14, 15) and are side by side at an interval in a direction intersecting the extending direction.
    Type: Grant
    Filed: February 5, 2019
    Date of Patent: November 2, 2021
    Inventors: Tetsuya Miyamura, Hajime Kawase, Masaaki Tabata, Yasuo Omori, Teruo Hara, Shunya Takeuchi, Hajime Matsui
  • Patent number: 11148272
    Abstract: A power tool (100) comprises a motor (110) operably driving a tool bit (119), a tool body (101) housing the motor (110), a handle (109) coupled to the tool body (101), and at least two battery mount parts (160A, 160B) defined on the handle (109) and/or the tool body (101). Each of the battery mount parts (160A, 160B) comprises a battery engaging part (161) configured to detachably engage with battery packs (170A, 170B) by sliding the battery packs (170A, 170B) relative to the battery engaging part (161) in a direction perpendicular to the longitudinal direction of the tool bit (119).
    Type: Grant
    Filed: September 3, 2019
    Date of Patent: October 19, 2021
    Assignee: MAKITA CORPORATION
    Inventors: Kiyonobu Yoshikane, Hajime Takeuchi, Yoshiro Tada, Masanori Furusawa, Masao Miwa, Shinji Onoda, Yoshitaka Machida
  • Publication number: 20210319698
    Abstract: A determination device that determines a tendency of a driver who selects a parking space includes an acquisition unit configured to acquire information regarding an attribute of the parking space in a parking lot, information regarding behavior of a vehicle driven by the driver in the parking lot, and information regarding behavior of the driver when the driver is driving the vehicle in the parking lot, and a determination unit configured to determine the tendency of the driver when the driver selects the parking space, based on the information regarding the behavior of the vehicle or the information regarding the behavior of the driver and the information regarding the attribute of the parking space.
    Type: Application
    Filed: May 5, 2021
    Publication date: October 14, 2021
    Applicants: Toyota Jidosha Kabushiki Kaisha, Aisin AW Co., Ltd.
    Inventors: Hiroaki Takeyama, Motohiro Nakamura, Norihiro Nakamura, Hideki Kasezawa, Kensuke Takeuchi, Hajime Morikawa, Yoko Sakurai
  • Publication number: 20210299839
    Abstract: A power tool includes a hammer mechanism, a brushless motor and a cooling fan. The brushless motor includes a rotary member having a motor shaft operably coupled to the hammer mechanism for linearly driving a tool accessory. The cooling fan has a first blade part and is configured to be rotated by the rotary member. The cooling fan includes a polymer portion, which forms at least a portion of the first blade part, and a metal portion disposed in or on the polymer portion. When viewed in a direction parallel to a rotational axis of the cooling fan, the metal member at least partially overlaps the first blade part in a radial direction of the cooling fan.
    Type: Application
    Filed: March 30, 2021
    Publication date: September 30, 2021
    Inventors: Masanori FURUSAWA, Hajime TAKEUCHI, Yoji INOUE
  • Patent number: 11127293
    Abstract: A determination device determines a tendency of a driver who selects a parking space and includes an acquisition unit and a determination unit. The acquisition unit is configured to acquire information regarding an attribute of the parking space in a parking lot, information regarding behavior of a vehicle driven by the driver in the parking lot, and information regarding behavior of the driver when the driver is driving the vehicle in the parking lot. The determination unit is configured to determine the tendency of the driver when the driver selects the parking space, based on the information regarding the behavior of the vehicle or the information regarding the behavior of the driver and the information regarding the attribute of the parking space.
    Type: Grant
    Filed: January 11, 2019
    Date of Patent: September 21, 2021
    Assignees: Toyota Jidosha Kabushiki Kaisha, Aisin AW Co., Ltd.
    Inventors: Hiroaki Takeyama, Motohiro Nakamura, Norihiro Nakamura, Hideki Kasezawa, Kensuke Takeuchi, Hajime Morikawa, Yoko Sakurai
  • Publication number: 20210283758
    Abstract: A power tool includes a motor, a housing, a battery holder and a cushion. The battery holder is held by the housing to be movable at least in a first direction relative to the housing. The battery holder is configured to removably receive a battery for supplying electric power to the motor. The cushion is held by the housing such that the first direction intersects the cushion. When the battery is attached to the battery holder, the cushion is directly or indirectly disposed between the battery and the housing.
    Type: Application
    Filed: March 1, 2021
    Publication date: September 16, 2021
    Applicant: MAKITA CORPORATION
    Inventors: Masanori FURUSAWA, Hajime TAKEUCHI, Hideki TSUJI, Yoshiro TADA
  • Publication number: 20210237248
    Abstract: A rotary hammer includes a motor, a manipulation member, a main switch, a mode-switching member, a first locking member and a second locking member. The first locking member is configured to selectively lock the manipulation member in an OFF position according to a switching position of the mode-switching member. The second locking member is configured to selectively lock the manipulation member in an ON position according to the switching position of the mode-switching member. The first locking member is allowed to lock the manipulation member in the OFF position both when a hammer mode has been selected and when a drill mode has been selected. The motor is allowed to be driven in a state in which the manipulation member is locked in the ON position by the second locking member only when the hammer mode has been selected.
    Type: Application
    Filed: January 22, 2021
    Publication date: August 5, 2021
    Applicant: MAKITA CORPORATION
    Inventors: Masanori FURUSAWA, Hajime TAKEUCHI
  • Patent number: 11072061
    Abstract: A rotary tool includes a motor, a final output shaft, a housing, a detecting mechanism, an interrupting mechanism and a solenoid. The motor includes a motor body and a motor shaft. The final output shaft is configured to be rotationally driven by torque transmitted from the motor shaft. The housing houses the motor and the final output shaft. The detecting mechanism is configured to detect a motion state of the housing. The interrupting mechanism is provided on a transmission path of the torque from the motor shaft to the final output shaft, and configured to interrupt transmission of the torque. The solenoid includes a linearly movable actuation part and is configured to mechanically actuate the interrupting mechanism via the actuation part based on the motion state of the housing detected by the detecting mechanism.
    Type: Grant
    Filed: October 11, 2018
    Date of Patent: July 27, 2021
    Assignee: MAKITA CORPORATION
    Inventors: Hajime Takeuchi, Masanori Furusawa
  • Publication number: 20210129307
    Abstract: A reciprocating tool includes a motor, a driving mechanism, a body housing, a movable part, and a vibration control mechanism. The driving mechanism includes a reciprocating member configured to reciprocate in a first direction. The movable part is connected to the body housing via a first elastic member and a second elastic member to be relatively movable in the first direction. The vibration control mechanism includes at least one weight configured to move in a direction opposite to the reciprocating member. The center of gravity of the at least one weight is offset from the driving axis in a second direction. In the second direction, the first elastic member is closer to the center of gravity than the second elastic member. A load of the first elastic member when the movable part is placed in a closer position is smaller than a load of the second elastic member.
    Type: Application
    Filed: October 20, 2020
    Publication date: May 6, 2021
    Applicant: MAKITA CORPORATION
    Inventors: Hideki TSUJI, Hajime TAKEUCHI, Kei WATANABE, Kazuo MURAMATSU, Masahiro MAEGAWA
  • Publication number: 20210078132
    Abstract: A grinder includes a brake mechanism configured to brake a spindle and an electrical actuator (a solenoid) that actuates the brake mechanism. The solenoid actuates the brake mechanism in conjunction with a turning OFF of a switch from a driving state of a motor, and releases an actuation of the brake mechanism after a lapse of a predetermined period of time from the turning OFF of the switch.
    Type: Application
    Filed: June 13, 2018
    Publication date: March 18, 2021
    Applicant: MAKITA CORPORATION
    Inventor: Hajime TAKEUCHI
  • Patent number: 10886434
    Abstract: A white LED lamp including: a conductive portion; a light emitting diode chip mounted on the conductive portion, for emitting a primary light having a peak wavelength of 360 nm to 420 nm; a transparent resin layer including a first hardened transparent resin, for sealing the light emitting diode chip; and a phosphor layer covering the transparent resin layer, the phosphor layer being formed by dispersing a phosphor powder into a second hardened transparent resin, and the phosphor powder receiving the primary light and radiating a secondary light having a wavelength longer than that of the primary light. An energy of the primary light contained in the radiated secondary light is 0.4 mW/lm or less.
    Type: Grant
    Filed: November 6, 2014
    Date of Patent: January 5, 2021
    Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA MATERIALS CO., LTD.
    Inventors: Tsutomu Ishii, Hajime Takeuchi, Yasumasa Ooya, Katsutoshi Nakagawa, Yumi Kanno, Masaki Toyoshima, Yasuhiro Shirakawa, Ryo Sakai
  • Publication number: 20200306946
    Abstract: A dust collecting system includes a power tool configured to perform processing operation on a workpiece by driving a tool accessory and a dust collector configured to collect dust generated by the processing operation. The power tool includes a first motor, a driving mechanism, a body housing, a first detecting device, an operation member and a second detecting device. The first detecting device is configured to detect an operation of pressing the tool accessory against the workpiece. The operation member is configured to be externally operated by a user. The second detecting device is configured to detect an operation of the operation member. The dust collector includes a second motor and a fan. The dust collecting system includes a first control device configured to control driving of the second motor based on detection results of the first detecting device and the second detecting device.
    Type: Application
    Filed: March 26, 2020
    Publication date: October 1, 2020
    Applicant: MAKITA CORPORATION
    Inventor: Hajime TAKEUCHI
  • Publication number: 20200290167
    Abstract: A dust collecting system includes a power tool and a dust collector, The dust collector includes a body, a sliding part, a biasing member, a lock member and an actuator. The body is configured to be removably attached to the power tool. The sliding part is held by the body so as to be slidable along a sliding axis. The biasing member is configured to bias the sliding part forward to hold the sliding part in a first position. The lock member is configured to lock the sliding part relative to the body in a second position. The actuator is configured to unlock the sliding part locked by the lock member, by operating in response to a motor-starting operation for the power tool by a user.
    Type: Application
    Filed: March 4, 2020
    Publication date: September 17, 2020
    Applicant: MAKITA CORPORATION
    Inventor: Hajime TAKEUCHI
  • Publication number: 20200271814
    Abstract: An embedded-object scanner device includes a sensing device housed in a housing and configured to sense one or more embedded objects embedded in a target material, and a display device provided on the housing. The display device is configured to collectively display multiple sets of display data generated in multiple sensing operations performed by the sensing device.
    Type: Application
    Filed: February 25, 2020
    Publication date: August 27, 2020
    Inventors: Toshiro HIRAYAMA, Hajime TAKEUCHI, Hikaru SUNABE
  • Patent number: 10744634
    Abstract: An impact tool is provided which has a driving mechanism, that drives a tool bit, a motor that drives the driving mechanism, an inner housing that houses the driving mechanism, an outer housing that has an internal space for housing the inner housing and the motor, an opening that leads from the outside to the internal space of the outer housing, and a covering member that covers the opening.
    Type: Grant
    Filed: November 9, 2017
    Date of Patent: August 18, 2020
    Assignee: MAKITA CORPORATION
    Inventors: Yasuhiro Kakiuchi, Hajime Takeuchi, Masanori Furusawa, Yoshiro Tada
  • Publication number: 20200098047
    Abstract: A stock price analysis device of the present invention reads the probability of both the rise and fall in stock prices from information regarding stock prices and predicts future transitions in stock prices.
    Type: Application
    Filed: November 27, 2019
    Publication date: March 26, 2020
    Inventor: Hajime TAKEUCHI
  • Patent number: 10562167
    Abstract: An improved technique relating to mounting of a battery in an impact tool which has a handle configured to move with respect to a tool body. A hammer drill has a body, a handle part and a battery mounting part. The handle part is configured to slide with respect to the body under a biasing force of a coil spring. The battery mounting part has a plurality of mounting parts. At least one of the mounting parts of the battery mounting part is connected to the handle part and slides together with the handle part with respect to the body during operation.
    Type: Grant
    Filed: March 25, 2014
    Date of Patent: February 18, 2020
    Assignee: MAKITA CORPORATION
    Inventors: Hajime Takeuchi, Masanori Furusawa
  • Publication number: 20190381646
    Abstract: A power tool (100) comprises a motor (110) operably driving a tool bit (119), a tool body (101) housing the motor (110), a handle (109) coupled to the tool body (101), and at least two battery mount parts (160A, 160B) defined on the handle (109) and/or the tool body (101). Each of the battery mount parts (160A, 160B) comprises a battery engaging part (161) configured to detachably engage with battery packs (170A, 170B) by sliding the battery packs (170A, 170B) relative to the battery engaging part (161) in a direction perpendicular to the longitudinal direction of the tool bit (119).
    Type: Application
    Filed: September 3, 2019
    Publication date: December 19, 2019
    Inventors: Kiyonobu YOSHIKANE, Hajime TAKEUCHI, Yoshiro TADA, Masanori FURUSAWA, Masao MIWA, Shinji ONODA, Yoshitaka MACHIDA
  • Patent number: 10500706
    Abstract: A rational technique which can realize vibration suppression and reduction of unstable driving elements of a striker. A representative power tool, a first compensation mechanism moves a swinging mechanism from a swinging mechanism reference position to a swinging mechanism moving position and moves a cylinder to a second side, thereby increasing the volume of an air chamber. Further, the second compensation mechanism moves an intermediate element from an intermediate reference position to an intermediate element moving position and moves a striking element to the second side, thereby compensating the volume of the air chamber.
    Type: Grant
    Filed: May 18, 2016
    Date of Patent: December 10, 2019
    Assignee: MAKITA CORPORATION
    Inventors: Hajime Takeuchi, Masanori Furusawa
  • Publication number: 20190118361
    Abstract: A rotary tool includes a motor, a final output shaft, a housing, a detecting mechanism, an interrupting mechanism and a solenoid. The motor includes a motor body and a motor shaft. The final output shaft is configured to be rotationally driven by torque transmitted from the motor shaft. The housing houses the motor and the final output shaft. The detecting mechanism is configured to detect a motion state of the housing. The interrupting mechanism is provided on a transmission path of the torque from the motor shaft to the final output shaft, and configured to interrupt transmission of the torque. The solenoid includes a linearly movable actuation part and is configured to mechanically actuate the interrupting mechanism via the actuation part based on the motion state of the housing detected by the detecting mechanism.
    Type: Application
    Filed: October 11, 2018
    Publication date: April 25, 2019
    Applicant: MAKITA CORPORATION
    Inventors: Hajime TAKEUCHI, Masanori FURUSAWA