Patents by Inventor Tomoaki Takahashi

Tomoaki Takahashi 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).

  • Publication number: 20190280185
    Abstract: A piezoelectric driving device includes a vibrating portion including a piezoelectric element for driving and a piezoelectric element for detection and vibrating by driving of the piezoelectric element for driving, a drive circuit that generates a drive signal for driving the piezoelectric element for driving, and a detection circuit that detects vibration of the vibrating portion based on a detection signal output from the piezoelectric element for detection with the vibration of the vibrating portion, wherein the piezoelectric element for detection is placed in an area containing a center of the vibrating portion.
    Type: Application
    Filed: March 11, 2019
    Publication date: September 12, 2019
    Inventors: Tomoaki TAKAHASHI, Akio KONISHI
  • Patent number: 10400835
    Abstract: A dual clutch device includes a first piston applying a first clutch by a hydraulic pressure supplied into a first hydraulic pressure chamber and releasing the first clutch by a first spring, a second piston applying a second clutch by a hydraulic pressure supplied into a second hydraulic pressure chamber and releasing the second clutch by a second spring, a first supply line supplying a hydraulic pressure into the first hydraulic pressure chamber and a second hydraulic pressure canceling chamber, a second supply line supplying a hydraulic pressure into the second hydraulic pressure chamber and a first hydraulic pressure canceling chamber, a first valve allowing or cutting the supply of hydraulic pressure into the first hydraulic pressure chamber and the second hydraulic pressure canceling chamber, and a second valve allowing or cutting the supply of hydraulic pressure into the second hydraulic pressure chamber and the first hydraulic pressure canceling chamber.
    Type: Grant
    Filed: April 16, 2015
    Date of Patent: September 3, 2019
    Assignee: ISUZU MOTORS LIMITED
    Inventors: Yasushi Yamamoto, Koji Terashima, Shou Ozaki, Taku Honda, Toshitaka Minbu, Yusuke Takahashi, Tomoaki Shimozawa, Nobuyuki Iwao
  • Publication number: 20190249656
    Abstract: Provided is a liquid pump configured to suppress discharge of air from an air pool formed in a discharge-side tank. A discharge-side tank part formed in a housing has a first inner wall surface and a second inner wall surface facing each other in a horizontal direction in an installed position of the liquid pump. The first inner wall surface is formed with a discharge port, and the second inner wall surface is formed with an opening of a discharge-side communicating passage. An air pool is formed in a space in the discharge-side tank part above the opening of the discharge-side communicating passage and the discharge port. A circular cylindrical partition is provided in the discharge-side tank part. The circular cylindrical partition projects from the second inner wall surface toward the first inner wall surface with at least a portion of the cylindrical partition positioned above the opening of the discharge-side communicating passage so as to cover the opening as seen from the air pool side.
    Type: Application
    Filed: April 26, 2019
    Publication date: August 15, 2019
    Applicant: NITTO KOHKI CO., LTD.
    Inventors: Tomoaki TAKAHASHI, Yasumasa OOKI
  • Publication number: 20190252952
    Abstract: A motor includes a motor body, a speed reduction unit, a brush holder, and a circuit board. The motor body rotationally drives a rotation shaft. The speed reduction unit reduces speed of rotation of the rotation shaft. The brush holder is held by a motor case of the motor body and a gear housing of the speed reduction unit. The circuit board is arranged in a board receptacle that is open in a direction orthogonal to a motor flattened surface. The brush holder includes a terminal that is directly and electrically connected to the circuit board.
    Type: Application
    Filed: October 31, 2017
    Publication date: August 15, 2019
    Applicant: DENSO CORPORATION
    Inventors: Akihiro OTAWARA, Tomoaki OZAKI, Suguru YAMABE, Kazuyoshi TAKAHASHI
  • Patent number: 10367432
    Abstract: A piezoelectric drive device includes piezoelectric vibration modules that each include a vibration portion and a transmission unit abutting a driven portion and transmitting longitudinal vibration in an alignment direction of the vibration portion with the driven portion and bending vibration which is a composite of the longitudinal vibration and lateral vibration of the vibration portion intersecting the alignment direction to the driven portion and a controller controlling the modules. The controller controls the modules in a first drive mode wherein the transmission portions of all the modules are driven to perform the bending vibration in a first direction and a second drive mode wherein the transmission portions of some of the modules are driven to perform the bending vibration in the first direction and the transmission portions of other modules are driven to perform the longitudinal or bending vibrations in a second direction opposite the first direction.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: July 30, 2019
    Assignee: Seiko Epson Corporation
    Inventor: Tomoaki Takahashi
  • Publication number: 20190199904
    Abstract: An electronic apparatus includes: a converting unit that converts a first type of image into a converted image; a connecting unit that connects with an external apparatus; a setting unit that sets a connection mode; and a control unit that controls so that in a case where the connection is in a first connection mode, the first type of image is outputted from the connecting unit without converting the first type of image by the converting unit, and in a case where the connection is in a second connection mode, the first type of image is converted by the converting unit, and is outputted from the connecting unit, wherein source of the image to be outputted from the connecting unit can be switched from a second type of image to the first type of image, while maintaining the connection in the second connection mode.
    Type: Application
    Filed: December 21, 2018
    Publication date: June 27, 2019
    Inventors: Tatsuya Nishiguchi, Emi Kondo, Tomoaki Takahashi, Yosuke Takagi
  • Publication number: 20190199901
    Abstract: An electronic apparatus includes: a connecting unit (connector) that connects with an external apparatus; a setting unit sets a connection mode to any of a plurality of connection modes, including a first connection mode in which an image having a gradation resolution which is not higher than a first gradation resolution is outputted, and a second connection mode in which an image having a gradation resolution which is higher than the first gradation resolution is outputted; and a control unit controls so that in a case where the connection is in the second connection mode and an instruction to switch a first screen including a captured image to a second screen not including a captured image is received, the set connection mode is switched from the second connection mode to the first connection mode, and the second screen is outputted from the connecting unit.
    Type: Application
    Filed: December 21, 2018
    Publication date: June 27, 2019
    Inventors: Emi Kondo, Tatsuya Nishiguchi, Tomoaki Takahashi, Yosuke Takagi
  • Publication number: 20190181015
    Abstract: A substrate processing method for removing an oxide film formed on the surface of a substrate includes modifying the oxide film into a reaction product by supplying a halogen element-containing gas and an alkaline gas onto the substrate accommodated in the interior of a processing chamber, and sublimating the reaction product by stopping the supply of the halogen element-containing gas into the processing chamber for removal from the substrate, wherein an internal pressure of the processing chamber in the sublimating is set to be higher than an internal pressure of the processing chamber in the modifying by supplying an inert gas into the processing chamber.
    Type: Application
    Filed: February 14, 2019
    Publication date: June 13, 2019
    Inventors: Tomoaki OGIWARA, Hiroyuki TAKAHASHI, Takuya ABE, Masahiko TOMITA, Shinya IWASHITA
  • Publication number: 20190179498
    Abstract: An electronic apparatus comprises a registration unit which registers a menu item in a menu having a hierarchical structure, and a display control unit which (i) displays a first-type item and a second-type item as options in a specific layer of the menu, (ii) performs control to display a first menu item in a menu in a lower layer below a layer of the first-type item, the first menu item being used to register a menu item in the same menu and to delete a registered menu item, and (iii) displays a second menu item in a menu in a lower layer below a layer of the second-type item, the second menu item being for deleting a registered menu item that is in the menu in the lower layer below the layer of the first-type item.
    Type: Application
    Filed: February 20, 2019
    Publication date: June 13, 2019
    Inventors: Satoshi Watanabe, Emi Kondo, Tomoaki Takahashi
  • Patent number: 10306137
    Abstract: An imaging apparatus including a control unit configured to perform control to present a first 2-area enlargement display of displaying live view images captured by two imaging regions that are separated in a width direction while arranging them on a display unit if an orientation of the imaging apparatus is a first orientation, and present a second 2-area enlargement display of displaying live view images captured by two imaging regions that are separated in a height direction while arranging them on the display unit if the orientation of the imaging apparatus is a second orientation. The control unit is configured to perform control to end the first 2-area enlargement display based on the orientation of the imaging apparatus changed from the first orientation in a manner satisfying a predetermined condition when the first 2-area enlargement display is presented.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: May 28, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventor: Tomoaki Takahashi
  • Publication number: 20190157991
    Abstract: A piezoelectric driving device includes a first substrate having cleavability, and a piezoelectric element placed above the first substrate, wherein a cleavage direction of the first substrate and a direction in which a shear force is applied do not coincide in a plan view of the first substrate. Further, an angle formed by the cleavage direction of the first substrate and the direction in which the shear force is applied is equal to or larger than 20° in the plan view of the first substrate. Furthermore, the first substrate contains silicon single crystal.
    Type: Application
    Filed: November 16, 2018
    Publication date: May 23, 2019
    Inventors: Yutaka ARAKAWA, Akio KONISHI, Tomoaki TAKAHASHI
  • Patent number: 10290077
    Abstract: A display control apparatus includes, a reception unit that receives an operation on a display object displayed in a display area, a changing unit that changes the display area to a second size smaller than a first size, and a control unit that controls to, in a case where the operation is not received while the display area is displayed in the first size, when the display area is changed from the first size to the second size, display a first range of the display object, and in a case where the operation is received while the display area is displayed in the first size, when the display area is changed from the first size to the second size, move the display object to display a second range.
    Type: Grant
    Filed: March 14, 2017
    Date of Patent: May 14, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventor: Tomoaki Takahashi
  • Patent number: 10254922
    Abstract: An electronic apparatus comprises a registration unit which registers a menu item in a menu having a hierarchical structure, and a display control unit which (i) displays a first-type item and a second-type item as options in a specific layer of the menu, (ii) performs control to display a first menu item in a menu in a lower layer below a layer of the first-type item, the first menu item being used to register a menu item in the same menu and to delete a registered menu item, and (iii) displays a second menu item in a menu in a lower layer below a layer of the second-type item, the second menu item being for deleting a registered menu item that is in the menu in the lower layer below the layer of the first-type item.
    Type: Grant
    Filed: September 11, 2015
    Date of Patent: April 9, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Satoshi Watanabe, Emi Kondo, Tomoaki Takahashi
  • Patent number: 10256749
    Abstract: The invention relates to a piezoelectric actuator including: a first piezoelectric vibrator including a first diaphragm and first piezoelectric elements that are provided on the first diaphragm and include a first electrode, a second electrode, and a piezoelectric material layer held by the first electrode and the second electrode; a second piezoelectric vibrator including a second diaphragm and second piezoelectric elements that are provided on the second diaphragm and include a first electrode, a second electrode, and a piezoelectric material layer held by the first electrode and the second electrode; and an inductor. The layout of the first piezoelectric vibrator in the first diaphragm is the same as the layout of the second piezoelectric vibrator in the second diaphragm. The positions of the first piezoelectric elements on the first diaphragm correspond to the positions of the second piezoelectric elements on the second diaphragm.
    Type: Grant
    Filed: June 28, 2016
    Date of Patent: April 9, 2019
    Assignee: Seiko Epson Corporation
    Inventor: Tomoaki Takahashi
  • Patent number: 10236795
    Abstract: Provided is a piezoelectric driving device for a motor including: a vibrating plate which includes a fixed portion and a vibrator portion in which a piezoelectric element is provided and which is supported by the fixed portion; and a contact portion which comes into contact with a driven body and transmits motion of the vibrating plate to the driven body, in which the fixed portion, the vibrator portion, and the contact portion are provided along an X direction in this order, when seen in a Y direction, when two directions parallel to a main surface of the vibrating plate and orthogonal to each other are set as the X direction and the Y direction and a direction orthogonal to the main surface of the vibrating plate is set as a Z direction.
    Type: Grant
    Filed: June 8, 2016
    Date of Patent: March 19, 2019
    Assignee: Seiko Epson Corporation
    Inventor: Tomoaki Takahashi
  • Publication number: 20180316283
    Abstract: A piezoelectric drive device includes a piezoelectric vibration module including a vibration portion and a transmission portion which abuts a driven portion and transmits vibration of the vibration portion to the driven portion and a control unit, and the vibration portion includes a first vibration portion and a second vibration portion disposed to be stacked in a second direction intersecting a first direction which is a direction in which the vibration portion is aligned with the driven portion, and the control unit causes the first vibration portion to vibrate in a third direction intersecting the first direction and the second direction and causes the second vibration portion to vibrate in the first direction.
    Type: Application
    Filed: April 25, 2018
    Publication date: November 1, 2018
    Inventor: Tomoaki TAKAHASHI
  • Publication number: 20180287515
    Abstract: A piezoelectric drive device includes piezoelectric vibration modules that each include a vibration portion and a transmission unit abutting a driven portion and transmitting longitudinal vibration in an alignment direction of the vibration portion with the driven portion and bending vibration which is a composite of the longitudinal vibration and lateral vibration of the vibration portion intersecting the alignment direction to the driven portion and a controller controlling the modules. The controller controls the modules in a first drive mode wherein the transmission portions of all the modules are driven to perform the bending vibration in a first direction and a second drive mode wherein the transmission portions of some of the modules are driven to perform the bending vibration in the first direction and the transmission portions of other modules are driven to perform the longitudinal or bending vibrations in a second direction opposite the first direction.
    Type: Application
    Filed: March 28, 2018
    Publication date: October 4, 2018
    Inventor: Tomoaki TAKAHASHI
  • Publication number: 20180287042
    Abstract: A piezoelectric drive device includes first and second piezoelectric vibration modules pressed toward a driven portion and including a vibration portion and a transmission portion abutting the driven portion and transmitting vibration to the driven portion and a controller. A pressing force of the second module to the driven portion is greater than that of the first module. The controller drives the second module so that the transmission portion of the second module performs longitudinal vibration vibrating in the pressing direction while driving the first module so that the transmission portion of the first module performs bending vibration that is a composite of longitudinal vibration in a pressing direction and lateral vibration intersecting the pressing direction.
    Type: Application
    Filed: March 28, 2018
    Publication date: October 4, 2018
    Inventor: Tomoaki TAKAHASHI
  • Patent number: 10056796
    Abstract: A joined component comprises a first heated body, a second heated body, a brazing material, a first heated portion and a second heated portion. The first body comprises an insertion opening and an inserted portion coupled with the insertion opening. The second body comprises an insertion portion inserted into the inserted portion through the insertion opening. The first heated portion is provided at a first position including at least a part of the inserted portion and at least a part of the insertion portion. The second heated portion is provided at a second position separate from the insertion portion where a ratio “L/D” satisfies being 0.4 or more and 0.8 or less, where “L” is a length from the insertion opening to the second portion and “D” is an outer diameter of the second heated body.
    Type: Grant
    Filed: May 25, 2016
    Date of Patent: August 21, 2018
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Noriyasu Kobayashi, Souichi Ueno, Tomoaki Takahashi, Daisuke Iwashita
  • Patent number: 10050497
    Abstract: A method comprises: a step of disposing a coil end connection portion of a first stator coil end and a solid connection at mutually adjacent positions after the solid connection and the cooling water pipe are brazed together; a step of disposing a heating coil around the solid connection and the first stator coil end in such a way as to bypass the cooling water pipe connection portion; and a step of supplying the heating coil with alternating current, so that the solid connection and the first stator coil end are induce-heated and then connected.
    Type: Grant
    Filed: June 30, 2016
    Date of Patent: August 14, 2018
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Souichi Ueno, Noriyasu Kobayashi, Daisuke Iwashita, Masahiro Yamada, Tomoaki Takahashi, Naosuke Ote