Patents by Inventor Hideyuki Taga
Hideyuki Taga 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).
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Publication number: 20200303933Abstract: An electrical device may be provided with: a housing to which a battery pack is attached detachably by sliding the battery pack in a sliding direction; a battery connection terminal configured to be electrically connected to the battery pack attached to the housing; and a terminal cover configured to move between a protection position for protecting the battery connection terminal and an exposure position for exposing the battery connection terminal. The housing may include a cover rail extending along the sliding direction. The terminal cover may include: a cover body having a shape that at least partially covers the battery connection terminal; and a hook formed integrally with the cover body, and the hook is engaged with the cover rail so as to slide in the sliding direction.Type: ApplicationFiled: March 3, 2020Publication date: September 24, 2020Applicant: MAKITA CORPORATIONInventors: Junichi MURAKAMI, Junya YAMAGUCHI, Hideyuki TAGA
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Publication number: 20200280200Abstract: A charger configured to charge a battery pack of a power tool, and the charger include: a housing having an intake port and an exhaust port; a battery interface included on the housing and configured to removably receive a battery pack, a charging circuit in the housing and configured to supply charging power to the battery pack attached to the battery interface; and a blower configured to introduce air from the intake port into the housing and discharge the air from the exhaust port to the outside of the housing. The intake port includes a plurality of intake holes formed in the housing, and the exhaust port includes a plurality of exhaust holes formed in the housing. Each inscribed circle of the plurality of intake holes is smaller than any of inscribed circles of the plurality of exhaust holes.Type: ApplicationFiled: May 10, 2018Publication date: September 3, 2020Applicant: MAKITA CORPORATIONInventor: Hideyuki TAGA
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Patent number: 10686318Abstract: A charger is provided with a housing comprising an intake port and an exhaust port. A battery interface is disposed on the housing and is configured to removably receive the battery pack. A charging circuit is disposed within the housing and is configured to supply charging power to a battery pack attached to the battery interface. A blower is provided for introducing air into the housing through the intake port and exhausting air from the housing through the exhaust port. The housing is configured to be mountable on a wall extending in a vertical direction. The exhaust port is located higher in the vertical direction than the intake port when the housing is mounted on the wall.Type: GrantFiled: May 1, 2018Date of Patent: June 16, 2020Assignee: MAKITA CORPORATIONInventor: Hideyuki Taga
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Publication number: 20200176746Abstract: A plurality of battery cells of a battery pack may include at least one first battery cell arranged in a first row, at least one second battery cell arranged in a second row adjacent to the first row, at least one third battery cell arranged in a third row adjacent to the second row, and at least one fourth battery cell arranged in a fourth row adjacent to the third row. The at least one first battery cell and the at least one second battery cell are connected in series. Each of the at least one first battery cell is connected in parallel with a corresponding one of the at least one third battery cell. Each of the at least one second battery cell is connected in parallel with a corresponding one of the at least one fourth battery cell.Type: ApplicationFiled: November 6, 2019Publication date: June 4, 2020Applicant: MAKITA CORPORATIONInventors: Toru YAMADA, Hideyuki TAGA
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Publication number: 20200176731Abstract: A battery pack may include a battery cell; a first lead plate electrically connected to a first end of the battery cell; and a first outer waterproof sheet arranged along the first lead plate and covering the first lead plate from outside. The first lead plate may include an opening, and the first outer waterproof sheet may include a ring-shaped projection formed on an inner surface of the first outer waterproof sheet. The ring-shaped projection may project toward the first lead plate and surround the opening of the first lead plate.Type: ApplicationFiled: November 6, 2019Publication date: June 4, 2020Applicant: MAKITA CORPORATIONInventor: Hideyuki TAGA
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Publication number: 20200176736Abstract: A battery pack may comprise a plurality of battery cells, a cell holder holding the plurality of battery cells, and a case accommodating the cell holder. The case may include a first case, and a second case fixed to the first case. The cell holder may be fixed to the first case by a fastener. The fastener may be shielded from outside of the case in a state where the second case is fixed to the first case.Type: ApplicationFiled: November 19, 2019Publication date: June 4, 2020Applicant: MAKITA CORPORATIONInventors: Hideyuki TAGA, Tatsuya NAGAHAMA
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Publication number: 20200176834Abstract: A battery pack may include a battery cell, a substrate provided with a plurality of terminals, and a case accommodating the battery cell and the substrate. The substrate may include a through hole disposed between the plurality of terminals. The case may include a vent hole disposed at a position facing the through hole of the substrate.Type: ApplicationFiled: November 19, 2019Publication date: June 4, 2020Applicant: MAKITA CORPORATIONInventors: Junichi MURAKAMI, Hideyuki TAGA
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Patent number: 10587134Abstract: A battery pack (30) is configured to couple to a power tool (10) by sliding in a sliding direction and it contains a plurality of cells (31). A pair of battery-side, electric-power terminals (312a, 312b, 314a, 314b) and a battery-side signal terminal (313) can be electrically connected to a pair of tool-side, power-supply terminals (212, 214) and a tool-side signal terminal (213), respectively, which are provided on the power tool (10). The pair of battery-side, electric-power terminals (312a, 312b, 314a, 314b) and the battery-side signal terminal (313) are disposed in parallel adjacently in a direction that intersects the sliding direction.Type: GrantFiled: May 24, 2019Date of Patent: March 10, 2020Assignee: MAKITA CORPORATIONInventors: Eiji Kondo, Hironori Ogura, Takuya Umemura, Hideyuki Taga, Yoshihiro Ishikawa
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Patent number: 10461380Abstract: An electric tool battery is detachably attached to a battery attachment apparatus. The battery attachment apparatus has a case as an exterior portion thereof, including a lock hole establishing communication between the exterior and interior of the case to allow an external lock member to be locked. Further, the battery attachment apparatus has a cover member closing the opening of the lock hole from within the case, and a mounting portion to which the cover member is mounted and which is set on an inner surface of the case.Type: GrantFiled: November 21, 2016Date of Patent: October 29, 2019Assignee: MAKITA CORPORATIONInventors: Hironori Ogura, Hideyuki Taga
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Publication number: 20190280501Abstract: A battery pack (30) is configured to couple to a power tool (10) by sliding in a sliding direction and it contains a plurality of cells (31). A pair of battery-side, electric-power terminals (312a, 312b, 314a, 314b) and a battery-side signal terminal (313) can be electrically connected to a pair of tool-side, power-supply terminals (212, 214) and a tool-side signal terminal (213), respectively, which are provided on the power tool (10). The pair of battery-side, electric-power terminals (312a, 312b, 314a, 314b) and the battery-side signal terminal (313) are disposed in parallel adjacently in a direction that intersects the sliding direction.Type: ApplicationFiled: May 24, 2019Publication date: September 12, 2019Inventors: Eiji KONDO, Hironori OGURA, Takuya UMEMURA, Hideyuki TAGA, Yoshihiro ISHIKAWA
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Patent number: 10348110Abstract: A battery pack (30) is configured to couple to a power tool (10) by sliding in a sliding direction and it contains a plurality of cells (31). A pair of battery-side, electric-power terminals (312a, 312b, 314a, 314b) and a battery-side signal terminal (313) can be electrically connected to a pair of tool-side, power-supply terminals (212, 214) and a tool-side signal terminal (213), respectively, which are provided on the power tool (10). The pair of battery-side, electric-power terminals (312a, 312b, 314a, 314b) and the battery-side signal terminal (313) are disposed in parallel adjacently in a direction that intersects the sliding direction.Type: GrantFiled: February 4, 2016Date of Patent: July 9, 2019Assignee: MAKITA CORPORATIONInventors: Eiji Kondo, Hironori Ogura, Takuya Umemura, Hideyuki Taga, Yoshihiro Ishikawa
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Patent number: 10326337Abstract: In an electric power tool which houses a motor and a controller for controlling drive of the motor, the controller has a circuit board on which electric components are mounted and a heat radiation member which radiates heat of the electric components. The heat radiation member has a facing part which faces the circuit board in parallel to a board surface of the circuit board. The facing part is provided with steps by which a distance between the facing part and the board surface of the circuit board varies. Furthermore, the facing part of the heat radiation member is provided with a first facing part in which a relative distance with respect to the board surface of the circuit board is reduced.Type: GrantFiled: July 6, 2015Date of Patent: June 18, 2019Assignee: MAKITA CORPORATIONInventors: Motohiro Omura, Ryosuke Suzuki, Hideyuki Taga
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Publication number: 20180337540Abstract: A charger is provided with a housing comprising an intake port and an exhaust port. A battery interface is disposed on the housing and is configured to removably receive the battery pack. A charging circuit is disposed within the housing and is configured to supply charging power to a battery pack attached to the battery interface. A blower is provided for introducing air into the housing through the intake port and exhausting air from the housing through the exhaust port. The housing is configured to be mountable on a wall extending in a vertical direction. The exhaust port is located higher in the vertical direction than the intake port when the housing is mounted on the wall.Type: ApplicationFiled: May 1, 2018Publication date: November 22, 2018Applicant: MAKITA CORPORATIONInventor: Hideyuki TAGA
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Publication number: 20180317348Abstract: A charger is provided with an intake hole through which outside air may flow into the interior of and through the body of the charger, and an exhaust hole from which the outside air is discharged through by the driving a cooling fan. A first vertical wall that surrounds the intake hole or a region exposed to water that drops down the intake hole in a fence-shaped manner, and a second vertical wall that surrounds the exhaust hole or a region exposed to water that drops down the exhaust hole in a fence-shaped manner are provided on a bottom plate of the housing. An electrical circuit board is disposed outward of an area where the first vertical wall surrounds the intake hole and also disposed outward of an area where the second vertical wall surrounds the region exposed to water that drops down the exhaust hole etc.Type: ApplicationFiled: June 29, 2016Publication date: November 1, 2018Applicant: MAKITA CORPORATIONInventor: Hideyuki TAGA
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Publication number: 20180138725Abstract: A pair of right and left fixing holes and a pair of strap attachment holes are provided on a rear surface of a main body housing at a position which does not protrude from a side area S in a planar view. A bottom edge portion of an upper recessed portion is provided above the fixing hole to cover each of the right and left fixing holes, the strap attachment holes are provided to be coaxial with the bottom edge portion, and it is ensured that durability and compactness of the charger are obtained.Type: ApplicationFiled: January 12, 2018Publication date: May 17, 2018Applicant: MAKITA CORPORATIONInventors: Hideyuki TAGA, Yasuhiro TABUCHI, Hidenori NAGASAKA, Kiyozumi KOKAWA, Shinsuke OKUDA
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Patent number: 9906055Abstract: A pair of right and left fixing holes and a pair of strap attachment holes are provided on a rear surface of a main body housing at a position which does not protrude from a side area S in a planar view. A bottom edge portion of an upper recessed portion is provided above the fixing hole to cover each of the right and left fixing holes, the strap attachment holes are provided to be coaxial with the bottom edge portion, and it is ensured that durability and compactness of the charger are obtained.Type: GrantFiled: May 28, 2013Date of Patent: February 27, 2018Assignee: MAKITA CORPORATIONInventors: Hideyuki Taga, Yasuhiro Tabuchi, Hidenori Nagasaka, Kiyozumi Kokawa, Shinsuke Okuda
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Patent number: 9899645Abstract: A battery pack may include a drainage device provided at a bottom portion of the housing case. The drainage device may include a drain hole communicating between the inside and the outside of the housing case, so that water introduced into the housing case is discharged to the outside of the housing case. The drainage device may be disposed between two of the terminal members that are connected to electrodes of the battery cells.Type: GrantFiled: August 15, 2017Date of Patent: February 20, 2018Assignee: MAKITA CORPORATIONInventors: Hidekazu Hayashi, Eiji Kondo, Hironori Ogura, Hideyuki Taga, Kazutoshi Ogino
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Publication number: 20180026241Abstract: A battery pack may include a drainage device provided at a bottom portion of the housing case. The drainage device may include a drain hole communicating between the inside and the outside of the housing case, so that water introduced into the housing case is discharged to the outside of the housing case. The drainage device may be disposed between two of the terminal members that are connected to electrodes of the battery cells.Type: ApplicationFiled: August 15, 2017Publication date: January 25, 2018Applicant: MAKITA CORPORATIONInventors: Hidekazu HAYASHI, Eiji KONDO, Hironori OGURA, Hideyuki TAGA, Kazutoshi OGINO
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Publication number: 20170294787Abstract: A charger terminal disclosed herein may include a first spring having one end fixed to a support structure; a bend extending from another end of the first spring and bending back at an angle of 90 degrees or more; and a second spring having one end extending from the bend, and another end configured capable of contacting the support structure. A charger configured to charge a battery pack disclosed herein may include the charger terminal. In the charger, the other end of the second spring may make contact with the support structure when the battery pack is set in the charger.Type: ApplicationFiled: February 28, 2017Publication date: October 12, 2017Applicant: MAKITA CORPORATIONInventor: Hideyuki TAGA
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Patent number: D885331Type: GrantFiled: August 22, 2017Date of Patent: May 26, 2020Assignee: MAKITA CORPORATIONInventors: Wataru Suzuki, Hideyuki Taga, Junichi Murakami