Patents by Inventor Yoshitaka Iijima

Yoshitaka Iijima 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: 11226596
    Abstract: An electronic timepiece includes: a 6 o'clock information display unit that displays one display mode among a plurality of display modes including a barometric display mode in which a barometric pressure is displayed, using a first display hand; a 10 o'clock information display unit that displays a change in the barometric pressure using a second hand in a case in which the display mode displayed by the 6 o'clock information display unit is the barometric display mode; a 2 o'clock information display unit that displays the barometric pressure using measurement display hands in the case in which the display mode displayed by the 6 o'clock information display unit is the barometric display mode; and a time display unit that displays a time using an hour hand and a minute hand irrespective of the display mode.
    Type: Grant
    Filed: May 3, 2018
    Date of Patent: January 18, 2022
    Inventors: Yoshitaka Iijima, Yasuhiro Momose, Takaya Masaki
  • Patent number: 10754303
    Abstract: An electronic timepiece includes a sensor, a dial plate, and a subdial. The sensor is configured to execute a measurement. The dial plate has hands that indicate a time. The subdial is disposed on the dial plate and has a subdial hand and a first region indicating that the measurement is being executed. The subdial hand points to the first region when the sensor executes the measurement.
    Type: Grant
    Filed: February 27, 2019
    Date of Patent: August 25, 2020
    Assignee: Seiko Epson Corporation
    Inventors: Yoshitaka Iijima, Yasuhiro Momose, Takaya Masaki
  • Patent number: 10653327
    Abstract: A biological information detection device includes: a light emitting unit which irradiates a subject with light; a first light receiving unit which receives light from the subject; a second light receiving unit which receives light from the subject; and a beam which is provided between the first light receiving unit and the second light receiving unit, in a plan view in a vertical direction of a light receiving surface of the first light receiving unit.
    Type: Grant
    Filed: August 24, 2015
    Date of Patent: May 19, 2020
    Assignee: Seiko Epson Corporation
    Inventor: Yoshitaka Iijima
  • Publication number: 20190196413
    Abstract: An electronic timepiece includes a sensor, a dial plate, and a subdial. The sensor is configured to execute a measurement. The dial plate has hands that indicate a time. The subdial is disposed on the dial plate and has a subdial hand and a first region indicating that the measurement is being executed. The subdial hand points to the first region when the sensor executes the measurement.
    Type: Application
    Filed: February 27, 2019
    Publication date: June 27, 2019
    Inventors: Yoshitaka IIJIMA, Yasuhiro MOMOSE, Takaya MASAKI
  • Patent number: 10241474
    Abstract: An electronic watch having an altitude display mode of displaying an altitude, a compass display mode of displaying a direction, a barometric pressure display mode of displaying barometric pressure as display modes includes a dial face having an “ALT” area, a “COM” area, and a “BAR” area and a first pointer displaying the altitude display mode by pointing the “ALT” area, displaying the compass display mode by pointing the “COM” area, and displaying the barometric pressure display mode by pointing the “BAR” area. In the dial face, the “ALT” area, “COM” area, and “BAR” area are arranged in an order of the “ALT” area, “COM” area, and “BAR” area. In a turning direction of the first pointer, a distance between the “ALT” area and “COM” area and a distance between the “COM” area and “BAR” area are shorter than a distance between the “ALT” area and “BAR” area.
    Type: Grant
    Filed: January 5, 2017
    Date of Patent: March 26, 2019
    Assignee: Seiko Epson Corporation
    Inventors: Yoshitaka Iijima, Yasuhiro Momose, Takaya Masaki
  • Publication number: 20180253066
    Abstract: An electronic timepiece includes: a 6 o'clock information display unit that displays one display mode among a plurality of display modes including a barometric display mode in which a barometric pressure is displayed, using a first display hand; a 10 o'clock information display unit that displays a change in the barometric pressure using a second hand in a case in which the display mode displayed by the 6 o'clock information display unit is the barometric display mode; a 2 o'clock information display unit that displays the barometric pressure using measurement display hands in the case in which the display mode displayed by the 6 o'clock information display unit is the barometric display mode; and a time display unit that displays a time using an hour hand and a minute hand irrespective of the display mode.
    Type: Application
    Filed: May 3, 2018
    Publication date: September 6, 2018
    Inventors: Yoshitaka IIJIMA, Yasuhiro MOMOSE, Takaya MASAKI
  • Patent number: 10037008
    Abstract: An electronic timepiece includes a letter plate that has an ALT region, a BAR region, and a COM region and a first display hand that displays indication of an altitude display mode by pointing the ALT region, displays indication of a barometric display mode by pointing the BAR region, and displays indication of an azimuth display mode by pointing the COM region. In the letter plate, the ALT region, the BAR region, and the COM region are arranged in a line in this sequence. In a rotation direction of the first display hand, a distance between the ALT region and the BAR region and a distance between the BAR region and the COM region are shorter than a distance between the COM region and the ALT region.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: July 31, 2018
    Assignee: Seiko Epson Corporation
    Inventors: Yoshitaka Iijima, Yasuhiro Momose, Takaya Masaki
  • Patent number: 9989932
    Abstract: An electronic timepiece includes: a 6 o'clock information display unit that displays one display mode among a plurality of display modes including a barometric display mode in which a barometric pressure is displayed, using a first display hand; a 10 o'clock information display unit that displays a change in the barometric pressure using a second hand in a case in which the display mode displayed by the 6 o'clock information display unit is the barometric display mode; a 2 o'clock information display unit that displays the barometric pressure using measurement display hands in the case in which the display mode displayed by the 6 o'clock information display unit is the barometric display mode; and a time display unit that displays a time using an hour hand and a minute hand irrespective of the display mode.
    Type: Grant
    Filed: March 28, 2017
    Date of Patent: June 5, 2018
    Assignee: Seiko Epson Corporation
    Inventors: Yoshitaka Iijima, Yasuhiro Momose, Takaya Masaki
  • Patent number: 9913582
    Abstract: A biological information detector includes a wristband, a housing, an opening, a light-emitting part, a reflecting part, a light-receiving part, and a protecting part. The opening is defined in a surface of the housing adapted to face a surface of the wrist of the user. The light-emitting part is disposed inside the housing and configured to emit green light. The reflecting part is disposed in periphery of the light emitting part, and configured to reflect the light emitted by the light-emitting part, wherein the reflecting part is disposed inside the housing. The light-receiving part is disposed inside the housing, and configured to receive reflected light reflected at a detection site of the wrist of the user. The protecting part is configured to protect the light-emitting part and the reflecting part, and is disposed at the opening of the housing to contact with the detection site.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: March 13, 2018
    Assignee: Seiko Epson Corporation
    Inventors: Hideto Yamashita, Yoshitaka Iijima
  • Patent number: 9912044
    Abstract: A wrist device, which is an antenna built-in portable device, includes an armor case including an opening at least on the front surface side, glass that closes the opening, a metal bezel attached to the front surface of the armor case and arranged around the glass, and an antenna arranged in a space on the inner side of the armor case. The antenna is a planar antenna, a maximum radiation direction of which is arranged to be directed toward the outer side of the bezel crossing the thickness direction of the armor case. The antenna is arranged in a position not overlapping the bezel in the maximum radiation direction of the antenna. At least a part of the antenna overlaps at least a part of the bezel in the thickness direction of the armor case.
    Type: Grant
    Filed: October 20, 2014
    Date of Patent: March 6, 2018
    Assignee: Seiko Epson Corporation
    Inventors: Yoshitaka Iijima, Fumihiro Misawa
  • Publication number: 20170285583
    Abstract: An electronic timepiece includes: a 6 o'clock information display unit that displays one display mode among a plurality of display modes including a barometric display mode in which a barometric pressure is displayed, using a first display hand; a 10 o'clock information display unit that displays a change in the barometric pressure using a second hand in a case in which the display mode displayed by the 6 o'clock information display unit is the barometric display mode; a 2 o'clock information display unit that displays the barometric pressure using measurement display hands in the case in which the display mode displayed by the 6 o'clock information display unit is the barometric display mode; and a time display unit that displays a time using an hour hand and a minute hand irrespective of the display mode.
    Type: Application
    Filed: March 28, 2017
    Publication date: October 5, 2017
    Inventors: Yoshitaka IIJIMA, Yasuhiro MOMOSE, Takaya MASAKI
  • Publication number: 20170277137
    Abstract: An electronic timepiece includes: a barometric pressure sensor; a letter plate that has a “MEAS” letter indicating “measurement progress”; and a second display hand that displays that measurement of a barometric pressure is being executed by pointing a region in which the “MEAS” letter is disposed in a case in which the barometric pressure sensor performs measurement of the barometric pressure.
    Type: Application
    Filed: March 17, 2017
    Publication date: September 28, 2017
    Inventors: Yoshitaka IIJIMA, Yasuhiro MOMOSE, Takaya MASAKI
  • Publication number: 20170277129
    Abstract: An electronic timepiece includes a letter plate that has an ALT region, a BAR region, and a COM region and a first display hand that displays indication of an altitude display mode by pointing the ALT region, displays indication of a barometric display mode by pointing the BAR region, and displays indication of an azimuth display mode by pointing the COM region. In the letter plate, the ALT region, the BAR region, and the COM region are arranged in a line in this sequence. In a rotation direction of the first display hand, a distance between the ALT region and the BAR region and a distance between the BAR region and the COM region are shorter than a distance between the COM region and the ALT region.
    Type: Application
    Filed: March 17, 2017
    Publication date: September 28, 2017
    Inventors: Yoshitaka IIJIMA, Yasuhiro MOMOSE, Takaya MASAKI
  • Publication number: 20170212476
    Abstract: An electronic watch having an altitude display mode of displaying an altitude, a compass display mode of displaying a direction, a barometric pressure display mode of displaying barometric pressure as display modes includes a dial face having an “ALT” area, a “COM” area, and a “BAR” area and a first pointer displaying the altitude display mode by pointing the “ALT” area, displaying the compass display mode by pointing the “COM” area, and displaying the barometric pressure display mode by pointing the “BAR” area. In the dial face, the “ALT” area, “COM” area, and “BAR” area are arranged in an order of the “ALT” area, “COM” area, and “BAR” area. In a turning direction of the first pointer, a distance between the “ALT” area and “COM” area and a distance between the “COM” area and “BAR” area are shorter than a distance between the “ALT” area and “BAR” area.
    Type: Application
    Filed: January 5, 2017
    Publication date: July 27, 2017
    Inventors: Yoshitaka IIJIMA, Yasuhiro MOMOSE, Takaya MASAKI
  • Publication number: 20160095519
    Abstract: A biological information detector includes a wristband, a housing, an opening, a light-emitting part, a reflecting part, a light-receiving part, and a protecting part. The opening is defined in a surface of the housing adapted to face a surface of the wrist of the user. The light-emitting part is disposed inside the housing and configured to emit green light. The reflecting part is disposed in periphery of the light emitting part, and configured to reflect the light emitted by the light-emitting part, wherein the reflecting part is disposed inside the housing. The light-receiving part is disposed inside the housing, and configured to receive reflected light reflected at a detection site of the wrist of the user. The protecting part is configured to protect the light-emitting part and the reflecting part, and is disposed at the opening of the housing to contact with the detection site.
    Type: Application
    Filed: December 11, 2015
    Publication date: April 7, 2016
    Inventors: Hideto YAMASHITA, Yoshitaka IIJIMA
  • Patent number: 9282903
    Abstract: A device for measuring biological information by being worn on a person includes a sensor unit subjected to measure biological information, a device main unit provided with a concavity and subjected to accommodate the sensor unit, and a holding unit supported on one side by the sensor unit and on the other side by the device main unit; wherein the holding unit is elastic and has a space on one side of the concavity to hold the sensor unit so that at least part of the sensor unit extends outside from the device main unit, and wherein the sensor unit is displaced relative to the device main unit by elastic deformation in accordance with an external force applied to the sensor unit.
    Type: Grant
    Filed: November 19, 2010
    Date of Patent: March 15, 2016
    Assignee: Seiko Epson Corporation
    Inventors: Yoshitaka Iijima, Shigemitsu Tanaka, Yoshihiro Hidai
  • Publication number: 20160058310
    Abstract: A biological information detection device includes: a light emitting unit which irradiates a subject with light; a first light receiving unit which receives light from the subject; a second light receiving unit which receives light from the subject; and a beam which is provided between the first light receiving unit and the second light receiving unit, in a plan view in a vertical direction of a light receiving surface of the first light receiving unit.
    Type: Application
    Filed: August 24, 2015
    Publication date: March 3, 2016
    Inventor: Yoshitaka Iijima
  • Patent number: 9241644
    Abstract: A biological information detector includes a wristband, a light-emitting part, a reflecting part, a light-receiving part, a protecting part, an acceleration sensor and a processing part. The wristband is adapted to be attached to a body of a user. The light-emitting part is configured to emit green light. The reflecting part is configured to reflect the light emitted by the light-emitting part. The light-receiving part is configured to receive reflected light reflected at a detection site of the body of the user. The protecting part is configured to protect the light-emitting part, the protecting part having a contact surface configured to contact with the detection site. The acceleration sensor is configured to detect acceleration generated by the user. The processing part is configured to process a light reception signal outputted from the light-receiving part.
    Type: Grant
    Filed: October 22, 2014
    Date of Patent: January 26, 2016
    Assignee: Seiko Epson Corporation
    Inventors: Hideto Yamashita, Yoshitaka Iijima
  • Patent number: 9179848
    Abstract: A biological information detector includes a light-emitting part, a reflecting part, a light-receiving part, a protecting part, and a processing part. The reflecting part has a curve shaped reflecting surface that is configured to reflect light emitted by the light-emitting part. The light-receiving part is configured to receive incident light that is emitted by the light-emitting part and reflected at a detection site of a user. The protecting part is configured to protect the light-emitting part, and the protecting part haw a contact surface adapted to contact with the detection site. The processing part is configured to process a light-receiving signal outputted from the light-receiving part. The light-emitting part has a light-emitting surface substantially in parallel to the contact surface, and a distance between the light-emitting surface and the contact surface is within a range of 0.4 mm to 0.9 mm.
    Type: Grant
    Filed: June 13, 2014
    Date of Patent: November 10, 2015
    Assignee: Seiko Epson Corporation
    Inventors: Hideto Yamashita, Yoshitaka Iijima
  • Publication number: 20150190058
    Abstract: A biological information detector has a light-emitting part including an LED, a first connecting pad, a first bonding wire, and a light transmission part. The first bonding wire electrically connects the light-emitting part and the first connecting pad. The light transmission part transmits light emitted by the light-emitting part. The light transmission part covers the light-emitting part and the first bonding wire. A thickness of the light transmission part is from 1 ?m to 1000 ?m.
    Type: Application
    Filed: March 23, 2015
    Publication date: July 9, 2015
    Inventors: Yoshitaka IIJIMA, Hideto YAMASHITA, Hideo MIYASAKA