Patents by Inventor Kenji Ogasawara

Kenji Ogasawara 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: 11209779
    Abstract: There is provided a timepiece including a high-load rotation position detection unit that detects a high-load rotation position that is a rotation position of a wheel when a rotational load of a rotor that transmits rotor's rotation to the wheel and rotates a pointer clockwise is greater than that during normal hand movement and a drive signal output unit that outputs a sub-drive signal having energy greater than that of a main drive signal that is output during the normal hand movement and less than that of an auxiliary drive signal that is output when the rotor does not rotate by the main drive signal in a case where the rotation position of the wheel is the high-load rotation position.
    Type: Grant
    Filed: January 7, 2020
    Date of Patent: December 28, 2021
    Assignee: SEIKO INSTRUMENTS INC.
    Inventors: Kenji Ogasawara, Tamotsu Maesawa
  • Publication number: 20210382983
    Abstract: An information processing device includes: an operation processor; a storage in which an initial password being an initial setting of an administrator password is prestored; a logger that logs details of operations inputted using the operation processor, in the storage as operation history information; a password entry monitor that confirms whether or not the administrator password has been entered; a password changer that changes, upon a confirmation that a password differing from the initial password has been entered, the administrator password and stores the entered password as a new administrator password; and a log presenter that presents the operation history information when the administrator password has been changed.
    Type: Application
    Filed: June 1, 2021
    Publication date: December 9, 2021
    Inventor: Kenji OGASAWARA
  • Publication number: 20210091694
    Abstract: A stepping motor control device is configured to drive a stepping motor by applying a normal drive pulse or a fixed pulse having an energy larger than that of the normal drive pulse. The stepping motor control device includes a determination unit configured to, based on whether or not a pulse applied to the stepping motor before the normal drive pulse is the fixed pulse, determine whether or not to add a degaussing pulse is applied to the normal drive pulse, the degaussing pulse being a pulse for canceling a residual magnetic flux generated in a stator of the stepping motor when the fixed pulse; and a drive control unit configured to, based on a determination result of the determination unit, drive the stepping motor with the normal drive pulse to which the degaussing pulse is added.
    Type: Application
    Filed: August 27, 2020
    Publication date: March 25, 2021
    Inventors: Akihito OKUMURA, Kosuke YAMAMOTO, Kenji OGASAWARA, Tomohiro IHASHI
  • Publication number: 20200225620
    Abstract: There is provided a timepiece including a high-load rotation position detection unit that detects a high-load rotation position that is a rotation position of a wheel when a rotational load of a rotor that transmits rotor's rotation to the wheel and rotates a pointer clockwise is greater than that during normal hand movement and a drive signal output unit that outputs a sub-drive signal having energy greater than that of a main drive signal that is output during the normal hand movement and less than that of an auxiliary drive signal that is output when the rotor does not rotate by the main drive signal in a case where the rotation position of the wheel is the high-load rotation position.
    Type: Application
    Filed: January 7, 2020
    Publication date: July 16, 2020
    Inventors: Kenji OGASAWARA, Tamotsu MAESAWA
  • Publication number: 20200133205
    Abstract: A timepiece movement capable of suppressing generation of malfunction of a hand is provided. The movement includes an indicator hand wheel which is provided so as to be rotatable and to which an indicator hand is mounted; an indicator hand stepping motor rotating and driving the indicator hand wheel in both directions; an hour wheel provided so as to be rotatable around a first rotation axis different from a rotation axis of the indicator hand wheel and having a first shaft portion which extends along the first rotation axis and on the outer peripheral surface of which there is provided a contact portion that the indicator hand can abut, with the distance of the contact portion from the first rotation axis varying in accordance with a position in the peripheral direction around the first rotation axis; and an hour hand stepping motor rotating and driving the hour wheel and provided separately from the indicator hand stepping motor.
    Type: Application
    Filed: October 9, 2019
    Publication date: April 30, 2020
    Inventors: TOSHIYUKI FUJIWARA, Kenji OGASAWARA
  • Patent number: 10616430
    Abstract: An image scanning device includes a placement-area image data capturing unit that captures placement-area image data corresponding to an area where documents are placed on a platen, a document image data capturing unit that captures pieces of document image data, each of which corresponds to one of the documents, and acquires positions of the pieces of document image data, in accordance with the placement-area image data captured by the placement-area image data capturing unit, a placement order acquiring unit that acquires an order in which the documents, each of which corresponds to one of the pieces of document image data, have been placed in accordance with at least the positions of the pieces of document image data, each of which corresponds to one of the documents, and a sequencing unit that assigns to the pieces of document image data the order acquired by the placement order acquiring unit.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: April 7, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Kenji Ogasawara
  • Publication number: 20200073340
    Abstract: Provided are a timepiece movement and a timepiece allowing mounting of a wireless communication device in the timepiece and capable of avoiding generation of restrictions to the design of the timepiece. A movement is arranged on the inner side of a timepiece case having a case back, and drives indicator hands. The movement uses an electric wave from the outside as a power source and is equipped with an RFID tag communicating with an external reader.
    Type: Application
    Filed: August 14, 2019
    Publication date: March 5, 2020
    Inventors: Kenji OGASAWARA, Ken Sato
  • Publication number: 20200068083
    Abstract: An image scanning device includes a placement-area image data capturing unit that captures placement-area image data corresponding to an area where documents are placed on a platen, a document image data capturing unit that captures pieces of document image data, each of which corresponds to one of the documents, and acquires positions of the pieces of document image data, in accordance with the placement-area image data captured by the placement-area image data capturing unit, a placement order acquiring unit that acquires an order in which the documents, each of which corresponds to one of the pieces of document image data, have been placed in accordance with at least the positions of the pieces of document image data, each of which corresponds to one of the documents, and a sequencing unit that assigns to the pieces of document image data the order acquired by the placement order acquiring unit.
    Type: Application
    Filed: October 29, 2019
    Publication date: February 27, 2020
    Inventor: Kenji OGASAWARA
  • Patent number: 10498916
    Abstract: An image scanning device includes a placement-area image data capturing unit that captures placement-area image data corresponding to an area where documents are placed on a platen, a document image data capturing unit that captures pieces of document image data, each of which corresponds to one of the documents, and acquires positions of the pieces of document image data, in accordance with the placement-area image data captured by the placement-area image data capturing unit, a placement order acquiring unit that acquires an order in which the documents, each of which corresponds to one of the pieces of document image data, have been placed in accordance with at least the positions of the pieces of document image data, each of which corresponds to one of the documents, and a sequencing unit that assigns to the pieces of document image data the order acquired by the placement order acquiring unit.
    Type: Grant
    Filed: June 21, 2019
    Date of Patent: December 3, 2019
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Kenji Ogasawara
  • Publication number: 20190312988
    Abstract: An image scanning device includes a placement-area image data capturing unit that captures placement-area image data corresponding to an area where documents are placed on a platen, a document image data capturing unit that captures pieces of document image data, each of which corresponds to one of the documents, and acquires positions of the pieces of document image data, in accordance with the placement-area image data captured by the placement-area image data capturing unit, a placement order acquiring unit that acquires an order in which the documents, each of which corresponds to one of the pieces of document image data, have been placed in accordance with at least the positions of the pieces of document image data, each of which corresponds to one of the documents, and a sequencing unit that assigns to the pieces of document image data the order acquired by the placement order acquiring unit.
    Type: Application
    Filed: June 21, 2019
    Publication date: October 10, 2019
    Inventor: Kenji OGASAWARA
  • Patent number: 10375262
    Abstract: An image scanning device includes a placement-area image data capturing unit that captures placement-area image data corresponding to an area where documents are placed on a platen, a document image data capturing unit that captures pieces of document image data, each of which corresponds to one of the documents, and acquires positions of the pieces of document image data, in accordance with the placement-area image data captured by the placement-area image data capturing unit, a placement order acquiring unit that acquires an order in which the documents, each of which corresponds to one of the pieces of document image data, have been placed in accordance with at least the positions of the pieces of document image data, each of which corresponds to one of the documents, and a sequencing unit that assigns to the pieces of document image data the order acquired by the placement order acquiring unit.
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: August 6, 2019
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Kenji Ogasawara
  • Publication number: 20190121296
    Abstract: A timepiece movement includes a stepping motor having a rotor for rotating an indicating hand, and a control unit for rotating the rotor by using a main drive pulse and an auxiliary drive pulse. When the indicating hand is rotated using a detection drive pulse based on the main drive pulse, the control unit determines a reference position of the indicating hand by detecting a rotation state of the rotor.
    Type: Application
    Filed: October 18, 2018
    Publication date: April 25, 2019
    Inventor: Kenji Ogasawara
  • Patent number: 10180662
    Abstract: An electronic timepiece includes a first display unit and a second display unit that display time. A receiving unit receives a time modification command including time information for modifying a first time displayed by the first display unit. A control unit outputs a first change command for automatically changing the first time displayed by the first display unit into a modified time different from a second time displayed by the second display unit based on the received time information, and outputs a second change command for changing the second time displayed by the second display unit into the first time displayed by the first display unit before the first time is changed into the modified time. A display drive unit changes the first time and the second time based on the first change command and the second change command, respectively, from the control unit.
    Type: Grant
    Filed: June 7, 2016
    Date of Patent: January 15, 2019
    Assignee: SEIKO INSTRUMENTS INC.
    Inventors: Kenji Ogasawara, Tomohiro Ihashi
  • Patent number: 10067480
    Abstract: An electronic device includes at least an acquisition unit, an input unit, a time correction amount calculation unit, and a transmitting unit. A timepiece includes at least a receiving unit, a power storage unit, a drive unit, and a control unit. The input unit receives an input of the time displayed by the display unit of the timepiece. The time correction amount calculation unit calculates a time correction amount for correcting the time of the timepiece from a difference between the time, the input of which is received by the input unit and the current time acquired by the acquisition unit. The transmitting unit transmits the time correction amount to the timepiece by using light. The receiving unit receives the time correction amount. The power storage unit stores electricity by using power converted from the light. The drive unit drives the indicating hand. The control unit corrects the time displayed by the indicating hand, based on the time correction amount received by the receiving unit.
    Type: Grant
    Filed: October 17, 2014
    Date of Patent: September 4, 2018
    Assignee: SEIKO INSTRUMENTS INC.
    Inventors: Kenji Ogasawara, Akira Takakura, Kazumi Sakumoto, Tamotsu Maesawa, Kazuhiro Koyama, Tomohiro Ihashi, Kosuke Yamamoto, Ayumi Matsumoto
  • Patent number: 10037009
    Abstract: A power saving movement includes a center wheel and pinion driving a minute hand and minute detection wheel. A gear ratio of the center wheel/pinion with respect to the minute detection wheel is 1/M. The minute detection wheel has N minute detection portions which are disposed on the same rotation trajectory as the center wheel & pinion. N and M are integers. The minute detection wheel transmittable portions are disposed at an interval of 360°/N. A pair of the center wheel transmittable portions are disposed in parallel at an unequal angular interval of a center axle of the center wheel & pinion. An angular interval of the center wheel transmittable portions adjacent to each other in the circumferential direction of the center axle of the center wheel & pinion is set to magnification of 360°/(M×N).
    Type: Grant
    Filed: August 16, 2016
    Date of Patent: July 31, 2018
    Assignee: SEIKO INSTRUMENTS INC.
    Inventors: Katsuya Mugishima, Satoshi Sakai, Kenji Ogasawara, Tomohiro Ihashi
  • Publication number: 20180167525
    Abstract: An image scanning device includes a placement-area image data capturing unit that captures placement-area image data corresponding to an area where documents are placed on a platen, a document image data capturing unit that captures pieces of document image data, each of which corresponds to one of the documents, and acquires positions of the pieces of document image data, in accordance with the placement-area image data captured by the placement-area image data capturing unit, a placement order acquiring unit that acquires an order in which the documents, each of which corresponds to one of the pieces of document image data, have been placed in accordance with at least the positions of the pieces of document image data, each of which corresponds to one of the documents, and a sequencing unit that assigns to the pieces of document image data the order acquired by the placement order acquiring unit.
    Type: Application
    Filed: December 11, 2017
    Publication date: June 14, 2018
    Inventor: Kenji OGASAWARA
  • Patent number: 9971310
    Abstract: A timepiece movement includes a center wheel & pinion that drives a minute hand, a second wheel & pinion arranged coaxially with a center axle of the center wheel & pinion, a first light emitting element arranged on one side in an axial direction of the center axle with respect to the center wheel & pinion and the second wheel & pinion, and a first light receiving element arranged on the other side in the axial direction of the center axle across the second wheel & pinion, and that detects light emitted from the first light emitting element. The center wheel & pinion has a first center wheel transmittable portion through which the light emitted from the first light emitting element is transmittable, and a second center wheel transmittable portion which is disposed on a rotation trajectory of the first center wheel transmittable portion and through which the light emitted from the first light emitting element is transmittable.
    Type: Grant
    Filed: August 16, 2016
    Date of Patent: May 15, 2018
    Assignee: SEIKO INSTRUMENTS INC.
    Inventors: Satoshi Sakai, Katsuya Mugishima, Tomohiro Ihashi, Kenji Ogasawara
  • Patent number: 9971304
    Abstract: A timepiece movement includes a second light emitting element, a second light receiving element, and a second wheel & pinion that drives a second hand and that has a first second wheel transmittable portion and a second second wheel transmittable portion through which light is transmittable, A control unit detects a position of the second wheel & pinion by causing the second light receiving element to receive the transmitted light emitted from the second light emitting element and transmitted through the first second wheel transmittable portion or the second second wheel transmittable portion, and a second detection wheel has a second detection wheel transmittable portion through which the transmitted light is transmittable. The control unit detects a transmitting time point at which the transmitted light is transmitted through the first second wheel transmittable portion or concurrently through the second second wheel transmittable portion and the second detection wheel transmittable portion.
    Type: Grant
    Filed: August 16, 2016
    Date of Patent: May 15, 2018
    Assignee: SEIKO INSTRUMENTS INC.
    Inventors: Satoshi Sakai, Katsuya Mugishima, Tomohiro Ihashi, Kenji Ogasawara
  • Patent number: 9941733
    Abstract: An electronic device includes a solar cell, a secondary battery that is charged by the solar cell, and a control circuit that switches between a charging period during which the charging of the secondary battery from the solar cell is performed and a communication period during which an optical signal is received by the solar cell. The optical signal includes a synchronization signal indicating the transmission of data and the data, and the communication period is configured to detect the synchronization signal. The control circuit extends the communication period to enable the solar cell to receive the whole data included in the optical signal.
    Type: Grant
    Filed: September 3, 2014
    Date of Patent: April 10, 2018
    Assignee: SEIKO INSTRUMENTS INC.
    Inventors: Kenji Ogasawara, Akira Takakura, Tamotsu Maesawa, Kazuhiro Koyama
  • Patent number: 9800333
    Abstract: An electronic device includes a display part having a light source which transmits an optical signal, a direction detection part for detecting a direction of orientation of a display screen of the display part, and a controller for transmitting data by the optical signal from the display part to an electronic timepiece when the direction of orientation of the display screen detected by the detection part faces a predetermined direction.
    Type: Grant
    Filed: September 15, 2015
    Date of Patent: October 24, 2017
    Assignee: SEIKO INSTRUMENTS INC.
    Inventors: Kenji Ogasawara, Akira Takakura, Kazumi Sakumoto, Tamotsu Maesawa, Kazuhiro Koyama, Tomohiro Ihashi, Kosuke Yamamoto, Ayumi Matsumoto