Patents by Inventor Yoshio Arai

Yoshio Arai 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: 10631832
    Abstract: An ultrasonic module includes a reception circuit adapted to receive a reception signal from an ultrasonic device, which receives an ultrasonic wave, to generate an echo signal, switching power supplies driven with a predetermined switching cycle, and adapted to supply the reception circuit with electrical power, and a phasing addition circuit adapted to perform an addition process on a first echo signal output when driving the reception circuit at a first drive timing in the switching cycle, and a second echo signal output when driving the reception circuit at a second drive timing delayed as much as a half cycle of a switching noise in the switching power supplies from the first drive timing.
    Type: Grant
    Filed: August 31, 2016
    Date of Patent: April 28, 2020
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Yoshio Arai, Kenji Murakami
  • Publication number: 20190343491
    Abstract: An ultrasonic diagnostic apparatus includes: a plurality of receiving elements that receive an ultrasonic wave, convert the ultrasonic wave into an electric signal, and output a receiving signal; a first detecting amplifier that detects noise and outputs a noise signal; a second detecting amplifier that amplifies the noise signal and outputs an amplified noise signal; a subtraction amplifier that receives the receiving signal and the amplified noise signal and subtracts the amplified noise signal from the receiving signal; and a plurality of circuit substrates that each include the second detecting amplifier and subtraction amplifier.
    Type: Application
    Filed: March 30, 2017
    Publication date: November 14, 2019
    Inventors: Yoshio ARAI, Masaki HAYASHI
  • Publication number: 20190279793
    Abstract: A resistor includes materials including copper, nickel, and lanthanum boride. A content of the materials is 40% by mass or more with respect to a total material content of the resistor. The copper includes copper particles having a particle diameter of 2.5 ?m or more. In addition, a circuit board includes a substrate, the resistor on the substrate, a metal layer on the resistor and a glass layer on the resistor. Further, an electronic device includes the circuit board and an electronic component on the metal layer.
    Type: Application
    Filed: September 28, 2017
    Publication date: September 12, 2019
    Inventors: Shodai TAKAYOSHI, Yoshio OHASHI, Takeyuki ARAI
  • Publication number: 20190265374
    Abstract: An ultrasonic sensor includes a transmission unit that is disposed on a first axis which is inclined with respect to a normal line of a surface of an object, a reception unit that is provided on a side opposite to the transmission unit of the object, on the first axis, and a transmission control unit that controls drive of the transmission unit. The transmission unit includes a plurality of transmission elements that transmit ultrasonic waves, and the plurality of transmission elements are arranged in a first direction that intersects the first axis in a plane including the normal line and the first axis. The transmission control unit delay-drives the plurality of transmission elements to align a direction of the ultrasonic wave that is transmitted from the transmission unit with the first axis.
    Type: Application
    Filed: February 26, 2019
    Publication date: August 29, 2019
    Inventors: Yoshio ARAI, Ryoki WATANABE
  • Patent number: 10368840
    Abstract: An ultrasonic apparatus includes an ultrasonic element substrate that includes an ultrasonic element array transmitting an ultrasonic wave in a first direction, and a first conductive film provided on the first direction side of the ultrasonic element array, a casing portion that has a conductive member provided to surround the ultrasonic element substrate on a side intersecting the first direction of the ultrasonic element substrate, and a support substrate that is provided on an opposite side to the first direction of the ultrasonic element substrate, supports the ultrasonic element substrate, and has conductivity.
    Type: Grant
    Filed: August 2, 2018
    Date of Patent: August 6, 2019
    Assignee: Seiko Epson Corporation
    Inventors: Yoshio Arai, Kazuki Yoshida
  • Patent number: 10325705
    Abstract: A bond magnet molding is provided that contains coated magnetic particles having at least two layers of an oxide layer of 1-20 nm on a surface of magnetic particles and an organic layer of 1-100 nm on an outer side of the oxide layer. The bond magnet molding preferably includes a Zn alloy as a binder. The Zn alloy has a strain rate sensitivity exponent (m value) of not less than 0.3 and an elongation at break of not less than 50%. The magnet particles have a nitrogen compound containing Sm and Fe that are solidified using the binder at a temperature not higher than a molding temperature.
    Type: Grant
    Filed: August 24, 2015
    Date of Patent: June 18, 2019
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Yoshio Kawashita, Masaya Arai, Ryou Murakami, Shinichirou Fujikawa
  • Publication number: 20190038256
    Abstract: An ultrasonic apparatus includes an ultrasonic element substrate that includes an ultrasonic element array transmitting an ultrasonic wave in a first direction, and a first conductive film provided on the first direction side of the ultrasonic element array, a casing portion that has a conductive member provided to surround the ultrasonic element substrate on a side intersecting the first direction of the ultrasonic element substrate, and a support substrate that is provided on an opposite side to the first direction of the ultrasonic element substrate, supports the ultrasonic element substrate, and has conductivity.
    Type: Application
    Filed: August 2, 2018
    Publication date: February 7, 2019
    Inventors: Yoshio ARAI, Kazuki YOSHIDA
  • Patent number: 10161748
    Abstract: An ultrasonic measurement apparatus includes: a first phasing addition circuit that receives electric signals output from a plurality of reception ultrasonic elements, shifts the plurality of electric signals in a time axis direction to combine the plurality of electric signals, and outputs a composite signal; a second electro-optical conversion unit and a second light emitting unit that receive the composite signal, convert the composite signal into an optical signal, and output the optical signal; an optical cable through which the optical signal is transmitted; and a second light receiving unit and a second photoelectric conversion unit that receive the optical signal and converts the optical signal into an electric signal. The second light emitting unit outputs the optical signal after the first phasing addition circuit outputs the composite signal.
    Type: Grant
    Filed: August 24, 2017
    Date of Patent: December 25, 2018
    Assignee: Seiko Epson Corporation
    Inventor: Yoshio Arai
  • Publication number: 20180058845
    Abstract: An ultrasonic measurement apparatus includes: a first phasing addition circuit that receives electric signals output from a plurality of reception ultrasonic elements, shifts the plurality of electric signals in a time axis direction to combine the plurality of electric signals, and outputs a composite signal; a second electro-optical conversion unit and a second light emitting unit that receive the composite signal, convert the composite signal into an optical signal, and output the optical signal; an optical cable through which the optical signal is transmitted; and a second light receiving unit and a second photoelectric conversion unit that receive the optical signal and converts the optical signal into an electric signal. The second light emitting unit outputs the optical signal after the first phasing addition circuit outputs the composite signal.
    Type: Application
    Filed: August 24, 2017
    Publication date: March 1, 2018
    Inventor: Yoshio ARAI
  • Publication number: 20170065260
    Abstract: An ultrasonic module includes a reception circuit adapted to receive a reception signal from an ultrasonic device, which receives an ultrasonic wave, to generate an echo signal, switching power supplies driven with a predetermined switching cycle, and adapted to supply the reception circuit with electrical power, and a phasing addition circuit adapted to perform an addition process on a first echo signal output when driving the reception circuit at a first drive timing in the switching cycle, and a second echo signal output when driving the reception circuit at a second drive timing delayed as much as a half cycle of a switching noise in the switching power supplies from the first drive timing.
    Type: Application
    Filed: August 31, 2016
    Publication date: March 9, 2017
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Yoshio ARAI, Kenji MURAKAMI
  • Publication number: 20160372060
    Abstract: A display device includes an illumination unit that delivers a first light, a second light and a third light. The display also includes a driving circuit that supplies a pixel with a first data signal for displaying a first image by illuminating the first light, the driving circuit supplying the pixel with a second data signal for displaying a second image by illuminating the second light, the driving circuit supplying the pixel with a third data signal for displaying a third image by illuminating the third light.
    Type: Application
    Filed: August 31, 2016
    Publication date: December 22, 2016
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Yoshio ARAI, Akira NAKAJIMA
  • Publication number: 20160317125
    Abstract: An ultrasonic device unit includes ultrasonic transducers disposed in an array. A first multiplexer is connected to the ultrasonic transducers through N element side wiring lines, which are aligned in a first direction along the contour of an element array in plan view, and connects M (M<N) circuit side wiring lines selectively to the element side wiring lines. A second multiplexer is connected to the ultrasonic transducers through L element side wiring lines, which are aligned in a second direction along the contour of the element array in plan view, and connects K (K<L) circuit side wiring lines selectively to the element side wiring lines.
    Type: Application
    Filed: April 28, 2016
    Publication date: November 3, 2016
    Applicant: SEIKO EPSON CORPORATION
    Inventor: Yoshio ARAI
  • Publication number: 20160314751
    Abstract: A display device includes an illumination unit that delivers a first light, a second light and a third light. The display also includes a driving circuit that supplies a pixel with a first data signal for displaying a first image by illuminating the first light, the driving circuit supplying the pixel with a second data signal for displaying a second image by illuminating the second light, the driving circuit supplying the pixel with a third data signal for displaying a third image by illuminating the third light.
    Type: Application
    Filed: July 6, 2016
    Publication date: October 27, 2016
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Yoshio ARAI, Akira NAKAJIMA
  • Publication number: 20160253947
    Abstract: A display device includes an illumination unit that delivers a first light, a second light and a third light. The display also includes a driving circuit that supplies a pixel with a first data signal for displaying a first image by illuminating the first light, the driving circuit supplying the pixel with a second data signal for displaying a second image by illuminating the second light, the driving circuit supplying the pixel with a third data signal for displaying a third image by illuminating the third light.
    Type: Application
    Filed: May 11, 2016
    Publication date: September 1, 2016
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Yoshio ARAI, Akira NAKAJIMA
  • Publication number: 20160148584
    Abstract: A display device includes an illumination unit that delivers a first light, a second light and a third light. The display also includes a driving circuit that supplies a pixel with a first data signal for displaying a first image by illuminating the first light, the driving circuit supplying the pixel with a second data signal for displaying a second image by illuminating the second light, the driving circuit supplying the pixel with a third data signal for displaying a third image by illuminating the third light.
    Type: Application
    Filed: January 28, 2016
    Publication date: May 26, 2016
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Yoshio ARAI, Akira NAKAJIMA
  • Publication number: 20160120515
    Abstract: An ultrasonic measurement device 100 includes a pulse signal output circuit 110 that outputs a pulse signal having a rectangular wave based on a clock signal, and a resonance circuit 120 that is connected to an output node of the pulse signal output circuit 110, includes an ultrasonic transducer element, and has frequency characteristics of a low-pass filter. Also, the pulse signal output circuit 110 outputs a plurality of pulse signals that are different from each other in at least one of pulse signal voltage, pulse signal width, and pulse output timing.
    Type: Application
    Filed: October 22, 2015
    Publication date: May 5, 2016
    Inventor: Yoshio ARAI
  • Patent number: 9280950
    Abstract: A display device includes an illumination unit that delivers a first light, a second light and a third light. The display also includes a driving circuit that supplies a pixel with a first data signal for displaying a first image by illuminating the first light, the driving circuit supplying the pixel with a second data signal for displaying a second image by illuminating the second light, the driving circuit supplying the pixel with a third data signal for displaying a third image by illuminating the third light.
    Type: Grant
    Filed: November 30, 2012
    Date of Patent: March 8, 2016
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Yoshio Arai, Akira Nakajima
  • Patent number: 8654169
    Abstract: An image forming device includes: an exposure head that includes a light emitting element and a light emission controller that causes the light emitting element to emit light on the basis of a control signal; a photoreceptor that is exposed to the light emitted by the light emitting element included in the exposure head so that a latent image is formed on the photoreceptor; a correcting section that corrects the control signal on the basis of the spectral sensitivity of the photoreceptor to a spectral distribution of the light emitting element; and a developing section that develops the latent image formed on the photoreceptor.
    Type: Grant
    Filed: September 17, 2010
    Date of Patent: February 18, 2014
    Assignee: Seiko Epson Corporation
    Inventors: Yoshio Arai, Nozomu Inoue
  • Patent number: 8373735
    Abstract: Provided is a line head including: a light emitting device array in which N (N is an integer of 2 or more) light emitting device groups including a plurality of light emitting devices is arranged; an output unit which sequentially outputs driving signals for driving the light emitting devices of the light emitting device groups to the light emitting device groups; and a delay unit which delays input timings when the driving signals output from the output unit are input to the light emitting devices, wherein the delay unit delays the input timings of the 1 to (N?1)th driving signals output from the output unit to the input timings of the Nth driving signals output from the output unit, and allows the light emitting devices of the different light emitting device groups simultaneously to emit light.
    Type: Grant
    Filed: November 18, 2009
    Date of Patent: February 12, 2013
    Assignee: Seiko Epson Corporation
    Inventors: Yoshio Arai, Yujiro Nomura
  • Patent number: 8289228
    Abstract: A display device includes a display body in which a plurality of unit display areas that display images having a parallax therebetween so as to be viewed stereoscopically is arranged and a drive circuit that sequentially displays single-color images of a plurality of color components which constitute a first image and a second image having a parallax therebetween for each one or more of unit display areas among the plurality of unit display areas.
    Type: Grant
    Filed: April 7, 2008
    Date of Patent: October 16, 2012
    Assignee: Seiko Epson Corporation
    Inventor: Yoshio Arai