Patents by Inventor Takamasa Ando

Takamasa Ando 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: 10334188
    Abstract: An imaging apparatus including a light source that, in operation, emits pulsed light to a measurement target; a diffusion member that is disposed between the light source and the measurement target, and diffuses the pulsed light; an image sensor that includes at least one pixel, the at least one pixel including a photodiode and a charge accumulator that, in operation, accumulates signal charge from the photodiode; and a control circuit that, in operation, controls the image sensor. The control circuit causes the image sensor to start to accumulate the signal charge with the charge accumulator in a falling period of a returned pulsed light which is returned from the measurement target to the image sensor due to the emission of the pulsed light, the falling period being a period from start to end of a decrease of an intensity of the returned pulsed light.
    Type: Grant
    Filed: September 14, 2018
    Date of Patent: June 25, 2019
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Takamasa Ando, Tsuguhiro Korenaga, Toshiya Fujii
  • Publication number: 20190162596
    Abstract: An optical filter including filter regions arrayed two-dimensionally, in which the filter regions include a first region and a second region; a wavelength distribution of an optical transmittance of the first region has a first local maximum in a first wavelength band and a second local maximum in a second wavelength band that differs from the first wavelength band, and a wavelength distribution of an optical transmittance of the second region has a third local maximum in a third wavelength band that differs from each of the first wavelength band and the second wavelength band and a fourth local maximum in a fourth wavelength band that differs from the third wavelength band.
    Type: Application
    Filed: January 10, 2019
    Publication date: May 30, 2019
    Inventors: Toshiya FUJII, Takamasa ANDO
  • Patent number: 10295654
    Abstract: A determination unit that determines a positional change of a radar apparatus mounted on a vehicle including a vehicle body is provided with a reference member, a displacement sensor and displacement determining means. The reference member is fixed to the vehicle body and disposed such that at least a part of the reference member is adjacent to the radar apparatus. The displacement sensor detects a displacement of the radar apparatus with respect to the reference member. The determining means determines whether or not a position of the radar apparatus has changed with respect to the vehicle body, based on the displacement detected by the displacement sensor.
    Type: Grant
    Filed: October 22, 2014
    Date of Patent: May 21, 2019
    Assignee: DENSO CORPORATION
    Inventors: Masanobu Yukumatsu, Kenji Goto, Takamasa Ando
  • Patent number: 10270998
    Abstract: An imaging apparatus includes: a light source that emits a light pulse onto an object, and a light detector that detects a reflected light pulse returning from the object. The light detector detects a first part of the reflected light pulse in a first period, and detects a second part of the reflected light pulse in a second period that starts after the first period. The first period includes at least a part of a rising period, the rising period being a period from start to end of increase of intensity of the reflected light pulse. The second period includes a part of a falling period, starts after start of the falling period and does not include the start of the falling period, the falling period being a period from start to end of decrease of the intensity.
    Type: Grant
    Filed: December 6, 2017
    Date of Patent: April 23, 2019
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Tatsuya Nakamura, Takamasa Ando, Teruhiro Shiono
  • Patent number: 10257397
    Abstract: An imaging apparatus includes a light source that includes a diffusion plate and, in operation, emits, toward a subject, pulsed light that diverges; a photodetector that includes a photoelectric converter that, in operation, receives light from the subject and converts the light to an electric charge and an electric charge accumulator that, in operation, accumulates the electric charge, and, in operation, generates an electric signal based on the accumulated electric charge; and a control circuit that, in operation, controls the light source and the photodetector. The control circuit, in operation, causes the electric charge accumulator to start accumulating the electric charge when a period of time has passed after the control circuit has caused the light source to start emitting the pulsed light, and causes the electric charge accumulator to accumulate the electric charge corresponding to a component, among the light from the subject, that is scattered inside the subject.
    Type: Grant
    Filed: March 15, 2017
    Date of Patent: April 9, 2019
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventor: Takamasa Ando
  • Patent number: 10247866
    Abstract: An image capture device according to the present disclosure includes: a lens optical system L; an image sensor N on which light that has passed through the lens optical system L is incident and which includes at least a plurality of first pixels and a plurality of second pixels; and an array of optical elements K which is arranged between the lens optical system and the image sensor. The lens optical system has a first optical region D1 which transmits mostly light vibrating in the direction of a first polarization axis and a second optical region D2 which transmits mostly light vibrating in the direction of a second polarization axis that is different from the direction of the first polarization axis. The array of optical elements makes the light that has passed through the first optical region D1 incident on the plurality of first pixels and also makes the light that has passed through the second optical region D2 incident on the plurality of second pixels.
    Type: Grant
    Filed: November 28, 2016
    Date of Patent: April 2, 2019
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Michihiro Yamagata, Tsuguhiro Korenaga, Norihiro Imamura, Takamasa Ando
  • Patent number: 10237519
    Abstract: An imaging apparatus includes an image-forming optical system that forms an image by using optical signals; an imaging device that includes a plurality of pixels, receives, with the plurality of pixels, the optical signals used to form the image, and converts the optical signals into electric signals; and a color filter that is located between the image-forming optical system and the imaging device and has a light transmittance which differs according to positions on the color filter corresponding to the plurality of pixels and according to a plurality of wavelength bands.
    Type: Grant
    Filed: August 2, 2016
    Date of Patent: March 19, 2019
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Satoshi Sato, Kunio Nobori, Takamasa Ando, Takeo Azuma, Nobuhiko Wakai
  • Patent number: 10228450
    Abstract: A radar apparatus detects a target that has reflected radar waves on the basis of each of object signals that have been passed, and detects a detection angle that is an angle formed between the target and a specified reference axis. The radar apparatus determines, as an angle correction value, for a target which is disposed at a set distance from the radar apparatus in such a manner that an angle formed between the target and the reference axis becomes a specified angle, a difference between the specified angle and a detection angle that is detected based on a plurality of object signals that pass through the filters by transmitting and receiving radar waves for the target, and stores the determined angle correction value in a storage unit.
    Type: Grant
    Filed: April 21, 2014
    Date of Patent: March 12, 2019
    Assignee: DENSO CORPORATION
    Inventors: Yutaka Hasegawa, Takamasa Ando
  • Patent number: 10215636
    Abstract: An imaging device according to an aspect of the present disclosure is provided with: a light source that, in operation, emits pulsed light including components of different wavelengths; an encoding element that has regions each having different light transmittance, through which incident light from a target onto which the pulsed light has been irradiated is transmitted; a spectroscopic element that, in operation, causes the incident light transmitted through the regions to be dispersed into light rays in accordance with the wavelengths; and an image sensor that, in operation, receives the light rays dispersed by the spectroscopic element.
    Type: Grant
    Filed: June 21, 2016
    Date of Patent: February 26, 2019
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Toshiya Fujii, Takamasa Ando
  • Patent number: 10212401
    Abstract: An imaging system serving as an image generation device is provided with: a random optical filter array that has a plurality of types of optical filters and a scattering unit; photodiodes that receive light transmitted through the random optical filter array; an AD conversion unit that converts the light received by the photodiodes, into digital data; and a color image generation circuit that generates an image, using the digital data and modulation information of the random optical filter array, in which the scattering unit is located between the plurality of types of optical filters and the photodiodes, and in which the scattering unit includes a material having a first refractive index, and a material having a second refractive index that is different from the first refractive index.
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: February 19, 2019
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Satoshi Sato, Takeo Azuma, Kunio Nobori, Hisashi Watanabe, Takamasa Ando, Nobuhiko Wakai
  • Patent number: 10200637
    Abstract: An image pickup apparatus includes: a first light source which, in operation, emits first pulsed light to project a first image of a first pattern at a first position in a predetermined region of a subject, and emits second pulsed light to project a second image of a second pattern at a second position, different from the first position, in the predetermined region of the subject; an image sensor including multiple pixels each including a photodetector that, in operation, converts received light into a signal charge, and a first accumulator and a second accumulator each of which, in operation, accumulates the signal charge; and a control circuit which, in operation, controls the first light source and the image sensor.
    Type: Grant
    Filed: March 15, 2017
    Date of Patent: February 5, 2019
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Toshiya Fujii, Takamasa Ando, Tatsuya Nakamura
  • Patent number: 10194099
    Abstract: An imaging apparatus according to an aspect of the present disclosure includes a light source that, in operation, emits first pulsed light and second pulsed light, an image sensor that includes at least one pixel including a photodiode, a first charge accumulator and a second charge accumulator, the first charge accumulator and the second charge accumulator, in operation, accumulating signal charge from the photodiode, and a control circuit that, in operation, controls the image sensor. The control circuit, in operation, causes the first charge accumulator to begin to accumulate the signal charge a period of time after the light source begins to emit the first pulsed light. The control circuit, in operation, causes the second charge accumulator to begin to accumulate the signal charge the period of time after the light source begins to emit the second pulsed light.
    Type: Grant
    Filed: June 8, 2016
    Date of Patent: January 29, 2019
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Takamasa Ando, Tsuguhiro Korenaga, Toshiya Fujii
  • Publication number: 20190028660
    Abstract: An imaging apparatus including a light source that, in operation, emits pulsed light to a measurement target; a diffusion member that is disposed between the light source and the measurement target, and diffuses the pulsed light; an image sensor that includes at least one pixel, the at least one pixel including a photodiode and a charge accumulator that, in operation, accumulates signal charge from the photodiode; and a control circuit that, in operation, controls the image sensor. The control circuit causes the image sensor to start to accumulate the signal charge with the charge accumulator in a falling period of a returned pulsed light which is returned from the measurement target to the image sensor due to the emission of the pulsed light, the falling period being a period from start to end of a decrease of an intensity of the returned pulsed light.
    Type: Application
    Filed: September 14, 2018
    Publication date: January 24, 2019
    Inventors: Takamasa ANDO, Tsuguhiro KORENAGA, Toshiya FUJII
  • Publication number: 20190014994
    Abstract: A measuring device includes: a light source that emits light pulse groups toward a target part of an object, the light pulse groups each including light pulses emitted sequentially; a photodetector that detects at least a part of reflected light pulse groups, the reflected light pulse groups each including reflected light pulses sequentially returning from the target part; and a control circuit that controls the light source and the photodetector. The control circuit causes the light source to emit the light pulse groups and causes the photodetector to extract a component of light included in a last reflected light pulse of the reflected light pulses included in each of the reflected light pulse groups during a falling period and output an electric signal corresponding to the component of light.
    Type: Application
    Filed: June 21, 2018
    Publication date: January 17, 2019
    Inventors: TERUHIRO SHIONO, TAKAMASA ANDO
  • Publication number: 20180367742
    Abstract: An imaging apparatus includes a light source that emits pulsed light, a reflective encoding device, and an image sensor. The reflective encoding device includes first and second films each having light-transmitting property and light-reflecting property and a modulator disposed between the first and second films. The modulator includes modulation regions arrayed in one plane intersecting an optical path of the pulsed light and each modulating at least one of a degree of polarization, a phase, and an intensity of incident light. The image sensor receives light from a target and outputs one or more electric signals representing an image of the target on the basis of the light from the target. The reflective encoding device allows the pulsed light to undergo multiple reflection between the first and second films and allows a portion of the pulsed light to be emitted through the second film in multiple instances.
    Type: Application
    Filed: August 3, 2018
    Publication date: December 20, 2018
    Inventor: TAKAMASA ANDO
  • Publication number: 20180338690
    Abstract: A measuring device includes a light source that emits at least one first light pulse and at least one second light pulse toward a target part of an object, a photodetector that detects at least one first reflected light pulse returning from the target part and at least one second reflected light pulse returning from the target part, and a control circuit that controls the light source and the photodetector. The control circuit causes the light source to emit the at least one first light pulse and the at least one second light pulse at different timings. The control circuit causes the photodetector to detect a first component and output a first electric signal representing the first component. The control circuit causes the photodetector to detect a second component and output a second electric signal representing the second component.
    Type: Application
    Filed: April 24, 2018
    Publication date: November 29, 2018
    Inventors: TERUHIRO SHIONO, TAKAMASA ANDO
  • Publication number: 20180306766
    Abstract: A biological information measuring apparatus includes a light source that emits emission light with which a portion to be examined is to be irradiated, a photodetector that detects light returning from the portion to be examined, and an optical element that includes at least one lens and that is disposed in an optical path between the light source and the portion to be examined. At least one value selected from the group consisting of a thickness and a refractive index of the at least one lens varies along a first direction extending from a center portion of the at least one lens toward an outer edge portion, and the at least one value is locally minimum at the center portion and locally maximum at a first portion that lies between the center portion and the outer edge portion.
    Type: Application
    Filed: April 5, 2018
    Publication date: October 25, 2018
    Inventors: TERUHIRO SHIONO, TAKAMASA ANDO
  • Patent number: 10104315
    Abstract: An imaging apparatus according to an aspect of the present disclosure includes a light source that, in operation, emits pulsed light to a living body, an image sensor that includes at least one pixel including a photodiode and charge accumulators that, in operation, accumulate signal charge from the photodiode, and a control circuit that, in operation, controls the image sensor. The charge accumulators, in operation, accumulate the signal charge corresponding to a component of the pulsed light scattered inside the living body.
    Type: Grant
    Filed: June 7, 2016
    Date of Patent: October 16, 2018
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Takamasa Ando, Tsuguhiro Korenaga, Toshiya Fujii
  • Publication number: 20180286906
    Abstract: An imaging system serving as an image generation device is provided with: a random color filter array that has a plurality of concave lenses and a plurality of color filters having different transmission characteristics; a photodiode that receives light that has passed through the random color filter array; an AD converter that converts the light received by the photodiode into digital data; and a color image generation circuit that generates an image using the digital data and modulation information of the random color filter array, in which the plurality of concave lenses are located between the plurality of color filters and the photodiode, or the plurality of color filters are located between the plurality of concave lenses and the photodiode.
    Type: Application
    Filed: March 8, 2018
    Publication date: October 4, 2018
    Inventors: SATOSHI SATO, HISASHI WATANABE, TAKEO AZUMA, KUNIO NOBORI, NOBUHIKO WAKAI, TAKAMASA ANDO
  • Publication number: 20180184052
    Abstract: An imaging system serving as an image generation device is provided with: a random optical filter array that has a plurality of types of optical filters and a scattering unit; photodiodes that receive light transmitted through the random optical filter array; an AD conversion unit that converts the light received by the photodiodes, into digital data; and a color image generation circuit that generates an image, using the digital data and modulation information of the random optical filter array, in which the scattering unit is located between the plurality of types of optical filters and the photodiodes, and in which the scattering unit includes a material having a first refractive index, and a material having a second refractive index that is different from the first refractive index.
    Type: Application
    Filed: December 14, 2017
    Publication date: June 28, 2018
    Inventors: SATOSHI SATO, TAKEO AZUMA, KUNIO NOBORI, HISASHI WATANABE, TAKAMASA ANDO, NOBUHIKO WAKAI