Patents by Inventor Hideto Yamashita

Hideto Yamashita 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: 20230341648
    Abstract: An objective includes: an objective barrel; a plurality of lens sub-assemblies stacked in an optical axis direction of the objective in the objective barrel, each of the plurality of lens sub-assemblies including a lens and a lens frame holding the lens; and a screw member screwed into the objective barrel, the screw member pressing the plurality of lens sub-assemblies against the objective barrel along the optical axis direction of the objective. The screw member has three or more concave portions into which a jig is fitted when the screw member is screwed into the objective barrel.
    Type: Application
    Filed: April 19, 2023
    Publication date: October 26, 2023
    Applicant: Evident Corporation
    Inventors: Asuka YAMAMOTO, Daiki HORIBA, Zheng LI, Hideto YAMASHITA
  • Patent number: 10265020
    Abstract: A biological information measuring device includes a sensor unit as a biological information measuring module. The sensor unit includes a substrate as a support portion that has a support surface and supports a light receiving portion and a second wall portion as a frame on the support surface. Assuming that the width of the second wall portion is L, a difference ?h between a height h from the support surface to the top surface of the light receiving portion and a height H from the support surface to the top surface of the second wall portion is expressed by Expression (1): 5 384 × 0.016 × L 4 ? ? ? ? h ? 5 384 × 0.039 × L 4 .
    Type: Grant
    Filed: December 29, 2015
    Date of Patent: April 23, 2019
    Assignee: Seiko Epson Corporation
    Inventor: Hideto Yamashita
  • 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
  • Publication number: 20180008193
    Abstract: A biological information measuring device includes a case section having, in sectional view, a trapezoidal shape including an upper base and a lower base shorter than the upper base, a first leg crossing the upper base and the lower base, and a second leg that is an opposite side of the first leg, a display section disposed on the second leg side, a circuit board housed in the case section, a flexible board configured to electrically connect the circuit board and the display section, and a pulse-wave sensor section disposed on the first leg side and configured to detect a pulse wave signal of a user. An atmospheric pressure sensor configured to detect an atmospheric pressure is housed in the case section. The flexible board is disposed on the lower base side and the atmospheric pressure sensor is disposed not to overlap the pulse wave sensor in plan view.
    Type: Application
    Filed: September 20, 2017
    Publication date: January 11, 2018
    Inventors: Yusuke Takahashi, Hideto Yamashita, Akira Inagaki, Hironori Hasei
  • Patent number: 9820661
    Abstract: A biological information detection apparatus includes a detection unit which has a light receiving unit receiving light from a subject, a light transmitting member which is provided on a housing surface side in contact with the subject of the biological information detection apparatus, transmits light from the subject, and has a convex portion in contact with the subject to give a pressing force when measuring biological information of the subject, and a pressing force suppression unit which is disposed in periphery of the convex portion on or above the housing surface and suppresses the pressing force given to the subject by the convex portion. A groove portion is provided between the convex portion of the light transmitting member and the pressing force suppression unit.
    Type: Grant
    Filed: March 11, 2014
    Date of Patent: November 21, 2017
    Assignee: Seiko Epson Corporation
    Inventors: Yusuke Takahashi, Hideto Yamashita, Masao Kuroda, Ichiro Aoshima
  • Patent number: 9814399
    Abstract: A biological information detection apparatus includes a detection unit which has a light receiving unit receiving light from a subject, a light transmitting member which is provided on a housing surface side in contact with the subject of the biological information detection apparatus, transmits light from the subject, and comes into contact with the subject when measuring biological information of the subject, and a diaphragm unit which is provided between the light transmitting member and the detection unit, between the light transmitting member and the subject, or inside the light transmitting member, and narrows light from the subject in an optical path between the subject and the detection unit. The detection unit includes a light emitting unit which emits light to the subject, and the biological information detection apparatus has a light shielding unit which is provided between the light receiving unit and the light emitting unit.
    Type: Grant
    Filed: March 11, 2014
    Date of Patent: November 14, 2017
    Assignee: Seiko Epson Corporation
    Inventors: Yusuke Takahashi, Hideto Yamashita, Masao Kuroda, Ichiro Aoshima
  • Patent number: 9808198
    Abstract: A biological information measuring device includes a case section having, in sectional view, a trapezoidal shape including an upper base and a lower base shorter than the upper base, a first leg substantially orthogonal to the upper base and the lower base, and a second leg that is the opposite side of the first leg, a display section disposed on the second leg side, a main circuit board housed in the case section, a flexible board configured to electrically connect the main circuit board and the display section, and a pulse-wave sensor section disposed on the first leg side and configured to detect a pulse wave signal of a user. The flexible board is disposed on the lower base side.
    Type: Grant
    Filed: December 2, 2015
    Date of Patent: November 7, 2017
    Assignee: Seiko Epson Corporation
    Inventors: Yusuke Takahashi, Hideto Yamashita, Akira Inagaki, Hironori Hasei
  • Publication number: 20170027508
    Abstract: A biological information detecting device includes: a biological information detector which detects biological information of a subject; and a band. In the band, a first surface which is on the side of the subject when the band is worn is wave-shaped in a cross section taken along a long-side direction of the band.
    Type: Application
    Filed: July 30, 2016
    Publication date: February 2, 2017
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Tetsu NAKAYAMA, Hideto YAMASHITA, Yuichi TAKEUCHI, Yasutomo TAKAHASHI
  • Publication number: 20160372002
    Abstract: An advice generation method includes: acquiring personal information about a user; searching for an similar person who is similar to the user on the basis of the personal information; acquiring history information about physical training carried out by the similar person; and generating advice information on the physical training for the user on the basis of the history information.
    Type: Application
    Filed: June 6, 2016
    Publication date: December 22, 2016
    Inventors: Michihiro Nagaishi, Hideto Yamashita
  • Publication number: 20160365000
    Abstract: An exercise instruction system includes: a body motion detection device (measuring device) which detects a body motion of a user; a muscle mass measuring device (measuring device) which measures a muscle mass of the user; and an exercise instruction device (information processing device) which presents an instruction content on an exercise that should be carried out by the user, on the basis of a result of detection by the body motion detection device (measuring device) and a result of measurement by the muscle mass measuring device (measuring device).
    Type: Application
    Filed: May 23, 2016
    Publication date: December 15, 2016
    Inventors: Michihiro Nagaishi, Hideto Yamashita
  • Publication number: 20160270676
    Abstract: A biological information detection sensor includes a first light emitter configured to emit light to a detection part, a first light receiver and a second light receiver configured to receive the light reflected in the detection part, a light blocker disposed between the first light emitter and the first and second light receivers and configured to block the light made directly incident on the first light receiver and the second light receiver from the first light emitter, a supporting body on which the first light emitter, the first light receiver, the second light receiver, and the light blocker are disposed, and a controller configured to analyze biological information on the basis of light reception result received from the first light receiver and the second light receiver.
    Type: Application
    Filed: January 22, 2016
    Publication date: September 22, 2016
    Inventor: Hideto Yamashita
  • Publication number: 20160242659
    Abstract: A biological-information measuring device functioning as a pulse-wave measuring module includes a light emitter configured to emit light to a test object and a light receiver configured to receive reflected light from the test object. The light receiver includes a light detector (a light receiving element) configured to detect the reflected light and an optical filter disposed on the light detector (the light receiving element) and configured by a plurality of layers. A layer most distant from the light detector (the light receiving element) among the plurality of layers of the optical filter is formed by a silicon oxide layer made of silicon oxide.
    Type: Application
    Filed: February 16, 2016
    Publication date: August 25, 2016
    Inventors: Hideto Yamashita, Hironori Hasei
  • Publication number: 20160206215
    Abstract: A biological information measuring device includes a case section having, in sectional view, a trapezoidal shape including an upper base and a lower base shorter than the upper base, a first leg substantially orthogonal to the upper base and the lower base, and a second leg that is the opposite side of the first leg, a display section disposed on the second leg side, a main circuit board housed in the case section, a flexible board configured to electrically connect the main circuit board and the display section, and a pulse-wave sensor section disposed on the first leg side and configured to detect a pulse wave signal of a user. The flexible board is disposed on the lower base side.
    Type: Application
    Filed: December 2, 2015
    Publication date: July 21, 2016
    Inventors: Yusuke Takahashi, Hideto Yamashita, Akira Inagaki, Hironori Hasei
  • Publication number: 20160192879
    Abstract: A biological information measuring device includes a sensor unit as a biological information measuring module. The sensor unit includes a substrate as a support portion that has a support surface and supports a light receiving portion and a second wall portion as a frame on the support surface. Assuming that the width of the second wall portion is L, a difference ?h between a height h from the support surface to the top surface of the light receiving portion and a height H from the support surface to the top surface of the second wall portion is expressed by Expression (1): 5 384 × 0.016 × L 4 ? ? ? ? h ? 5 384 × 0.039 × L 4 .
    Type: Application
    Filed: December 29, 2015
    Publication date: July 7, 2016
    Inventor: Hideto Yamashita
  • 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: 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
  • Publication number: 20150045639
    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: Application
    Filed: October 22, 2014
    Publication date: February 12, 2015
    Inventors: Hideto YAMASHITA, Yoshitaka IIJIMA
  • Publication number: 20150038807
    Abstract: A biological information detector is adapted to be attached to a user's body. The biological information detector includes a light-emitting part, a reflecting part, a light-receiving part, a processing unit and a support part. The light-emitting part is configured to emit light toward the user's body. The reflecting part is configured to be disposed in periphery of the light-emitting part and to reflect at least part of the light emitted by the light-emitting part toward the user's body. The light-receiving part is configured to receive light reflected at the user's body to produce a light reception signal. The processing unit is configured to process the light reception signal to produce biological information. The support part supports the light-emitting part. A thickness of the support part is within a range from 50 ?m to 1000 ?m.
    Type: Application
    Filed: October 22, 2014
    Publication date: February 5, 2015
    Inventors: Hideto YAMASHITA, Yoshitaka IIJIMA, Shigemi SATO