Patents by Inventor Hiroto Honda

Hiroto Honda 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: 10853947
    Abstract: A CPU 11 of a boundary line detection device 10 according to an embodiment of the present invention is configured to function as an image acquisition component 112 that acquires images captured (inputted) via an image input device (a camera or the like), captured images received via a network, and so forth, and a boundary line detector 114 that detects a boundary line included in these captured images. The boundary line detector 114 is configured to specify, using a learned model 152, a plurality of estimated points estimated to be points on a boundary line included in a captured image and to detect the boundary line included in the captured image on the basis of at least the specified estimated points.
    Type: Grant
    Filed: November 8, 2018
    Date of Patent: December 1, 2020
    Assignee: Mobility Technologies Co., Ltd.
    Inventor: Hiroto Honda
  • Patent number: 10600930
    Abstract: A photodetector according to an embodiment includes: a first semiconductor layer; a porous semiconductor layer disposed on the first semiconductor layer; and at least one photo-sensing element including a second semiconductor layer of a first conductivity type disposed in a region of the porous semiconductor layer and a third semiconductor layer of a second conductivity type disposed on the second semiconductor layer.
    Type: Grant
    Filed: December 20, 2016
    Date of Patent: March 24, 2020
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Kazuhiro Suzuki, Risako Ueno, Hiroto Honda, Koichi Ishii, Toshiya Yonehara, Hideyuki Funaki
  • Publication number: 20190139226
    Abstract: A CPU 11 of a boundary line detection device 10 according to an embodiment of the present invention is configured to function as an image acquisition component 112 that acquires images captured (inputted) via an image input device (a camera or the like), captured images received via a network, and so forth, and a boundary line detector 114 that detects a boundary line included in these captured images. The boundary line detector 114 is configured to specify, using a learned model 152, a plurality of estimated points estimated to be points on a boundary line included in a captured image and to detect the boundary line included in the captured image on the basis of at least the specified estimated points.
    Type: Application
    Filed: November 8, 2018
    Publication date: May 9, 2019
    Inventor: Hiroto HONDA
  • Patent number: 9781311
    Abstract: A liquid crystal optical device includes: a first electrode unit including a first substrate transparent to light, a light-transmitting layer formed on the first substrate, and a first electrode formed on the light-transmitting layer and being transparent to light, the light-transmitting layer including recesses formed on a surface facing the first electrode, arranged in a first direction, and extending in a second direction; a second electrode unit including a second substrate, the second substrate being transparent to light, and two second electrodes formed on the second substrate, the second electrodes being arranged in the second direction and extending along the first direction; a liquid crystal layer located between the first and second electrode units; a first polarizing plate located on an opposite side of the second electrode unit from the liquid crystal layer; and a drive unit that applies voltages to the first and second electrodes.
    Type: Grant
    Filed: March 12, 2014
    Date of Patent: October 3, 2017
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Yuko Kizu, Machiko Ito, Yukio Kizaki, Honam Kwon, Hideyuki Funaki, Kazuhiro Suzuki, Risako Ueno, Mitsuyoshi Kobayashi, Hiroto Honda
  • Publication number: 20170263798
    Abstract: A photodetector according to an embodiment includes: a first semiconductor layer; a porous semiconductor layer disposed on the first semiconductor layer; and at least one photo-sensing element including a second semiconductor layer of a first conductivity type disposed in a region of the porous semiconductor layer and a third semiconductor layer of a second conductivity type disposed on the second semiconductor layer.
    Type: Application
    Filed: December 20, 2016
    Publication date: September 14, 2017
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Kazuhiro SUZUKI, Risako UENO, Hiroto HONDA, Koichi ISHll, Toshiya YONEHARA, Hideyuki FUNAKI
  • Publication number: 20170263793
    Abstract: A photodetector according to an embodiment includes: a semiconductor substrate including a first region and a second region adjacent to the first region; at least one light detection cell including a first semiconductor layer disposed in the first region, a second semiconductor layer disposed between the first semiconductor layer and the semiconductor substrate and including a junction portion with the first semiconductor layer, a third semiconductor layer disposed in the semiconductor substrate separately from the second semiconductor layer, a first electrode on the semiconductor substrate and applying a voltage to the first semiconductor layer, and a second electrode on the semiconductor substrate and applying a voltage to the third semiconductor layer; and a light guide disposed in the second region and guiding incident light to be propagated in a first direction to the junction portion between the first semiconductor layer and the second semiconductor layer.
    Type: Application
    Filed: December 20, 2016
    Publication date: September 14, 2017
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Risako UENO, Kazuhiro SUZUKI, Hiroto HONDA, Koichi ISHll, Hideyuki FUNAKI
  • Patent number: 9645290
    Abstract: According to an embodiment, a color filter array includes a plurality of color filters of multiple colors. The color filters are arranged so that each of the color filter of each color corresponds to any one of a plurality of microlenses included in a microlens array. Each microlens is configured to irradiate a plurality of pixels with light.
    Type: Grant
    Filed: September 8, 2014
    Date of Patent: May 9, 2017
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Mitsuyoshi Kobayashi, Risako Ueno, Kazuhiro Suzuki, Hiroto Honda, Honam Kwon, Hideyuki Funaki
  • Patent number: 9596402
    Abstract: According to an embodiment, a microlens array for a solid-state image sensing device includes a plurality of microlenses and a state detector. The plurality of microlenses are disposed in an imaging microlens area and is configured to form two-dimensional images. The state detector is disposed on a periphery of the imaging microlens area and is configured to, on an image forming surface of the microlenses, generate images having a smaller diameter than images formed by the microlenses.
    Type: Grant
    Filed: September 10, 2014
    Date of Patent: March 14, 2017
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Mitsuyoshi Kobayashi, Risako Ueno, Kazuhiro Suzuki, Hiroto Honda, Honam Kwon, Hideyuki Funaki
  • Patent number: 9462166
    Abstract: A solid state imaging device according to an embodiment includes: a liquid crystal optical element including a first electrode having a first recess and a projecting portion surrounding the first recess on a first surface, a second electrode facing the first surface of the first electrode, a filling film located between the first recess of the first electrode and the second electrode, and a liquid crystal layer located between the filling film and the second electrode; an imaging lens facing the second electrode to form an image of a subject on an imaging plane; and an imaging element facing the first recess, the imaging element having a pixel block having a plurality of pixels.
    Type: Grant
    Filed: March 5, 2014
    Date of Patent: October 4, 2016
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Honam Kwon, Kazuhiro Suzuki, Hiroto Honda, Risako Ueno, Mitsuyoshi Kobayashi, Yuko Kizu, Machiko Ito, Hideyuki Funaki
  • Patent number: 9404963
    Abstract: An apparatus includes: a current control unit to control an amount of constant current and supply a first and second constant currents to an infrared detection pixel; a constant current supply time control unit to control periods of time in which the first and second constant currents are supplied to the infrared detection pixel; an A-D converter to convert a first and second electrical signals from the infrared detection pixel into a first and second digital signals, the first and second electrical signals being generated when the first and second constant currents is supplied to the infrared detection pixel, respectively; a subtracting unit to calculate a difference between the first and second digital signals; and a determining unit to determine whether the infrared detection pixel is a defective pixel based on the absolute value of the difference calculated by the subtracting unit.
    Type: Grant
    Filed: October 28, 2013
    Date of Patent: August 2, 2016
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Hiroto Honda, Koichi Ishii, Hideyuki Funaki, Keita Sasaki
  • Patent number: 9300885
    Abstract: A solid state imaging device according to an embodiment includes: an imaging element formed on a semiconductor substrate, and including pixel blocks each having pixels; a main lens forming an image of a subject on an imaging plane; a microlens array including microlenses corresponding to the pixel blocks, the microlens array reducing an image to be formed on the imaging plane by Nf times or less and forming reduced images on the pixel blocks corresponding to the respective microlenses; and an image processing unit enlarging and synthesizing the reduced images formed by the microlenses, the solid state imaging device meeting conditions of an expression MTFMain(u)?MTFML(u)?MTFMain(u├ŚNf) where u denotes an image spatial frequency, MTFML(u) denotes an MTF function of the microlenses, and MTFMain(u) denotes an MTF function of the main lens.
    Type: Grant
    Filed: January 23, 2014
    Date of Patent: March 29, 2016
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Risako Ueno, Hiroto Honda, Mitsuyoshi Kobayashi, Kazuhiro Suzuki, Honam Kwon, Hideyuki Funaki
  • Patent number: 9257470
    Abstract: According to one embodiment, an imaging lens includes a first optical system and a microlens array. The first optical system includes an optical axis. The microlens array is provided between the first optical system and an imaging element. The microlens array includes microlens units provided in a first plane. The imaging element includes pixel groups. Each of the pixel groups includes pixels. The microlens units respectively overlap the pixel groups when projected onto the first plane. The first optical system includes an aperture stop, and first, second, and third lenses. The first lens is provided between the aperture stop and the microlens array, and has a positive refractive power. The second lens is provided between the first lens and the microlens array, and has a negative refractive power. The third lens is provided between the second lens and the microlens array, and has a positive refractive power.
    Type: Grant
    Filed: August 15, 2014
    Date of Patent: February 9, 2016
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Risako Ueno, Hiroto Honda, Mitsuyoshi Kobayashi, Kazuhiro Suzuki, Honam Kwon, Hideyuki Funaki
  • Patent number: 9207365
    Abstract: According to one embodiment, an imaging lens includes a first optical system and a microlens array. The first optical system includes an optical axis. The microlens array is provided between the first optical system and an imaging element. The microlens array includes microlens units provided in a first plane. The imaging element includes pixel groups. Each of the pixel groups includes pixels. The microlens units respectively overlap the pixel groups when projected onto the first plane. The first optical system includes an aperture stop, a first lens, a second lens, a third lens, and a fourth lens. The first lens is provided between the aperture stop and the microlens array. The second lens is provided between the first lens and the microlens array. The third lens is provided between the second lens and the microlens array. The fourth lens is provided between the third lens and the microlens array.
    Type: Grant
    Filed: August 15, 2014
    Date of Patent: December 8, 2015
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Risako Ueno, Hiroto Honda, Mitsuyoshi Kobayashi, Kazuhiro Suzuki, Honam Kwon, Hideyuki Funaki
  • Patent number: 9170160
    Abstract: An imaging device according to an embodiment includes: a semiconductor substrate; a reference pixel with a first concave portion disposed in a first portion of a surface of the semiconductor substrate; and one or more infrared detection pixels each configured to detect light with a second concave portion disposed in a second portion of the surface of the semiconductor substrate, the reference pixel being directly connected to the semiconductor substrate at a position where the first concave portion is not present, and including a first thermoelectric conversion unit configured to convert heat to an electric signal, the first thermoelectric conversion unit being disposed in the first concave portion and including a first thermoelectric conversion element, each infrared detection pixel including a second thermoelectric conversion unit being disposed in the second concave portion and including a second thermoelectric conversion element.
    Type: Grant
    Filed: April 22, 2015
    Date of Patent: October 27, 2015
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Hiroto Honda, Kazuhiro Suzuki, Hideyuki Funaki, Masaki Atsuta, Keita Sasaki, Koichi Ishii, Honam Kwon
  • Publication number: 20150304579
    Abstract: A solid-state imaging device according to an embodiment includes: an imaging element including an imaging area formed with a plurality of pixel blocks each including pixels; a first optical system forming an image of an object on an imaging surface; and a second optical system re-forming the image, which has been formed on the imaging surface, on the pixel blocks corresponding to microlenses, the second optical system including a microlens array formed with the microlenses provided in accordance with the pixel blocks. The microlenses are arranged in such a manner that an angle ? between a straight line connecting center points of adjacent microlenses and one of a row direction and a column direction in which the pixels are aligned is expressed as follows: ?>sin?1(2dp/Dml), where Dml represents microlens pitch, and dp represents pixel pitch.
    Type: Application
    Filed: May 18, 2015
    Publication date: October 22, 2015
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Hiroto HONDA, Kazuhiro SUZUKI, Mitsuyoshi KOBAYASHI, Risako UENO, Honam KWON, Hideyuki FUNAKI
  • Publication number: 20150241282
    Abstract: An imaging device according to an embodiment includes: a semiconductor substrate; a reference pixel with a first concave portion disposed in a first portion of a surface of the semiconductor substrate; and one or more infrared detection pixels each configured to detect light with a second concave portion disposed in a second portion of the surface of the semiconductor substrate, the reference pixel being directly connected to the semiconductor substrate at a position where the first concave portion is not present, and including a first thermoelectric conversion unit configured to convert heat to an electric signal, the first thermoelectric conversion unit being disposed in the first concave portion and including a first thermoelectric conversion element, each infrared detection pixel including a second thermoelectric conversion unit being disposed in the second concave portion and including a second thermoelectric conversion element.
    Type: Application
    Filed: April 22, 2015
    Publication date: August 27, 2015
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Hiroto HONDA, Kazuhiro SUZUKI, Hideyuki FUNAKI, Masaki ATSUTA, Keita SASAKI, Koichi ISHII, Honam KWON
  • Patent number: 9064766
    Abstract: A solid-state imaging device according to an embodiment includes: an imaging element including an imaging area formed with a plurality of pixel blocks each including pixels; a first optical system forming an image of an object on an imaging surface; and a second optical system re-forming the image, which has been formed on the imaging surface, on the pixel blocks corresponding to microlenses, the second optical system including a microlens array formed with the microlenses provided in accordance with the pixel blocks. The microlenses are arranged in such a manner that an angle ? between a straight line connecting center points of adjacent microlenses and one of a row direction and a column direction in which the pixels are aligned is expressed as follows: ?>sin?1(2dp/Dml), where Dml represents microlens pitch, and dp represents pixel pitch.
    Type: Grant
    Filed: November 12, 2013
    Date of Patent: June 23, 2015
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Hiroto Honda, Kazuhiro Suzuki, Mitsuyoshi Kobayashi, Risako Ueno, Honam Kwon, Hideyuki Funaki
  • Patent number: 9060140
    Abstract: A microlens array unit according to an embodiment includes: a substrate; a first group of microlenses including first microlenses having a convex shape and a first focal length, the first group of microlenses being arranged on the substrate; and a second group of microlenses including second microlenses having a convex shape and a second focal length different from the first focal length, the second group of microlenses being arranged on the substrate, a first imaging plane of the first group of microlenses and a second imaging plane of the second group of microlenses being parallel to each other, a distance between the first and second imaging planes in a direction perpendicular to the first imaging plane being 20% or less of the first focal length, and images of the first microlenses projected on the substrate not overlapping images of the second microlenses projected on the substrate.
    Type: Grant
    Filed: January 28, 2014
    Date of Patent: June 16, 2015
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Mitsuyoshi Kobayashi, Risako Ueno, Kazuhiro Suzuki, Hiroto Honda, Honam Kwon, Hideyuki Funaki
  • Publication number: 20150077600
    Abstract: According to an embodiment, a color filter array includes a plurality of color filters of multiple colors. The color filters are arranged so that each of the color filter of each color corresponds to any one of a plurality of microlenses included in a microlens array. Each microlens is configured to irradiate a plurality of pixels with light.
    Type: Application
    Filed: September 8, 2014
    Publication date: March 19, 2015
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Mitsuyoshi Kobayashi, Risako Ueno, Kazuhiro Suzuki, Hiroto Honda, Honam Kwon, Hideyuki Funaki
  • Publication number: 20150077618
    Abstract: According to one embodiment, an imaging lens includes a first optical system and a microlens array. The first optical system includes an optical axis. The microlens array is provided between the first optical system and an imaging element. The microlens array includes microlens units provided in a first plane. The imaging element includes pixel groups. Each of the pixel groups includes pixels. The microlens units respectively overlap the pixel groups when projected onto the first plane. The first optical system includes an aperture stop, and first, second, and third lenses. The first lens is provided between the aperture stop and the microlens array, and has a positive refractive power. The second lens is provided between the first lens and the microlens array, and has a negative refractive power. The third lens is provided between the second lens and the microlens array, and has a positive refractive power.
    Type: Application
    Filed: August 15, 2014
    Publication date: March 19, 2015
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Risako UENO, Hiroto HONDA, Mitsuyoshi KOBAYASHI, Kazuhiro SUZUKI, Honam KWON, Hideyuki FUNAKI