Patents by Inventor Tadashi Aizawa

Tadashi Aizawa 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: 20200406607
    Abstract: Provided is an ink jet printer including: an electromagnetic wave generator that includes an electromagnetic wave generation section, a high-frequency voltage generation section generating a voltage applied to the electromagnetic wave generation section, and a transmission line coupling the electromagnetic wave generation section and the high-frequency voltage generation section to each other in which the electromagnetic wave generation section includes a first electrode, a second electrode, a first conductor that couples the first electrode and the transmission line to each other, and a second conductor that couples the second electrode and the transmission line to each other, a minimum separation distance between the first conductor and the second conductor is 1/10 or less of a wavelength of an output electromagnetic wave, and the first conductor includes a coil, and the coil is disposed at a position closer to the first electrode than the transmission line; a carriage that reciprocates in a width direction
    Type: Application
    Filed: June 26, 2020
    Publication date: December 31, 2020
    Inventor: Tadashi AIZAWA
  • Publication number: 20200406659
    Abstract: Provided is an electromagnetic wave generator including: an electromagnetic wave generation section that generates an electromagnetic wave; a high-frequency voltage generation section that generates a voltage applied to the electromagnetic wave generation section; and a transmission line that electrically couples the electromagnetic wave generation section and the high-frequency voltage generation section to each other, in which the electromagnetic wave generation section includes a first electrode, a second electrode, a first conductor that electrically couples the first electrode and the transmission line to each other, and a second conductor that electrically couples the second electrode and the transmission line to each other, one of the first electrode or the second electrode is a reference potential electrode to which a reference potential is applied and the other is a high-frequency electrode to which a high-frequency voltage is applied, a minimum separation distance between the first electrode and the
    Type: Application
    Filed: June 26, 2020
    Publication date: December 31, 2020
    Inventor: Tadashi AIZAWA
  • Publication number: 20200406636
    Abstract: Provided is an ink jet printer including an electromagnetic wave generator that includes an electromagnetic wave generation section, a high-frequency voltage generation section, a transmission line, an ink jet head, and a control section. The electromagnetic wave generation section includes a first electrode, a second electrode, a first coil coupled to the first electrode or the second electrode in series, an impedance matching circuit constituted by a second coil and a capacitor coupled between the first coil and the high-frequency source. A thin ink film discharged from the ink jet head and attached to the recording medium is heated and dried by the electromagnetic wave generator. The control section controls a constant of the second coil or a constant of the capacitor of the impedance matching circuit according to information on the thin ink film.
    Type: Application
    Filed: June 26, 2020
    Publication date: December 31, 2020
    Inventor: Tadashi AIZAWA
  • Publication number: 20200334477
    Abstract: A state estimation apparatus includes an image obtaining unit that obtains a captured image from an imaging device placed to capture an image of a target person to be at a predetermined position, a first analysis unit that analyzes a facial behavior of the target person based on the captured image and obtains first information about the facial behavior of the target person, a second analysis unit that analyzes body movement of the target person based on the captured image and obtains second information about the body movement of the target person, and an estimation unit that estimates a state of the target person based on the first information and the second information.
    Type: Application
    Filed: June 1, 2017
    Publication date: October 22, 2020
    Applicant: OMRON Corporation
    Inventors: Hatsumi AOI, Koichi KINOSHITA, Tomoyoshi AIZAWA, Hideto HAMABASHIRI, Tadashi HYUGA, Mei UETANI
  • Patent number: 10770782
    Abstract: An electronic apparatus includes: a circuit substrate on which circuit components are disposed; and an antenna that includes a first electrode and a second electrode which is opposite to a surface of the circuit substrate, on which the circuit components are disposed, and includes a projection portion protruding in a direction from the second electrode toward the circuit substrate, a top portion of the projection portion not overlapping with the circuit components in plan view along a thickness direction of the circuit substrate. In the antenna including the first electrode and the second electrode, even if a surface of the antenna has an unevenness shape, as an average of thicknesses of the antenna is thicker, sensitivity of the antenna is improved.
    Type: Grant
    Filed: March 8, 2019
    Date of Patent: September 8, 2020
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Tadashi Aizawa, Seiji Osawa
  • Patent number: 10761491
    Abstract: An electronic timepiece which is a portable electronic device includes a planar first conductor element including a feed element which is a feed portion, a planar second conductor element which is disposed so as to overlap the first conductor element in plan view and includes a ground portion, a short circuit portion that connects the first conductor element and the second conductor element, and a non-conductive base plate that is disposed between the first conductor element and the second conductor element and to which a step motor which is a driving element is attached.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: September 1, 2020
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Hironobu Yamamoto, Tadashi Aizawa
  • Patent number: 10673143
    Abstract: An antenna structure (GPS antenna) includes a plate-shaped conductor element (antenna electrode), a plate-shaped element (circuit board) including a ground conductor portion disposed so as to overlap the conductor element in plan view, and a skeletal resin frame for frequency adjustment disposed between the conductor element and the ground conductor portion.
    Type: Grant
    Filed: January 19, 2018
    Date of Patent: June 2, 2020
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Seiji Osawa, Tadashi Aizawa
  • Patent number: 10651547
    Abstract: An electronic apparatus includes a display; and an antenna including a first element without power feeding that is a structural component made of metal and is disposed on the display or above a display surface of the display in a display direction, a second element which is disposed below the first element and is connected to a power supply, and a GND plate that is disposed below the second element, wherein the first element and the second element are electromagnetically coupled.
    Type: Grant
    Filed: August 13, 2019
    Date of Patent: May 12, 2020
    Assignee: Seiko Epson Corporation
    Inventors: Tadashi Aizawa, Masayuki Ikeda
  • Patent number: 10607785
    Abstract: An electronic component includes an antenna electrode functioning as a first electrode plate, a circuit board functioning as a second electrode plate, and a short-circuit section that electrically connects the antenna electrode and the circuit board. The circuit board includes a surface functioning as a first surface opposed to the antenna electrode, a grounding section, a circuit component functioning as a conductive structure disposed on the surface, and a wiring pattern that connects the circuit component and the grounding section.
    Type: Grant
    Filed: January 27, 2017
    Date of Patent: March 31, 2020
    Assignee: Seiko Epson Corporation
    Inventors: Tadashi Aizawa, Seiji Osawa
  • Publication number: 20200079919
    Abstract: Provided is a glass fiber-reinforced resin molded article having high tensile strength and high impact strength in combination with a low dielectric constant and a low dissipation factor. The glass fiber-reinforced resin molded article contains: 10 to 90 mass % of a glass fiber; and 90 to 10 mass % of a resin based on the total amount of the glass fiber-reinforced resin molded article, wherein the glass fiber has composition containing: 52.0 to 57.0 mass % of SiO2; 13.0 to 17.0 mass % of Al2O3; 15.0 to 21.5 mass % of B2O3; 2.0 to 6.0 mass % of MgO; 2.0 to 6.0 mass % of CaO; 1.0 to 4.0 mass % of TiO2; and less than 1.5 mass % of F2, and the total amount of Li2O, Na2O, and K2O is less than 0.6 mass %, based on the total amount of the glass fiber, and the glass fiber has a number-average fiber length of 30 to 5000 ?m.
    Type: Application
    Filed: June 29, 2017
    Publication date: March 12, 2020
    Inventors: Akane TSUCHIGANE, Yuya ONODERA, Yuta TAKAHASHI, Tadashi KURITA, Tsunefumi AIZAWA
  • Publication number: 20200052370
    Abstract: Provided is technology improving antenna sensitivity. An electronic timepiece has: an antenna having a planar first electrode, a planar second electrode disposed to a position superimposed with the first electrode in plan view when seen from a first direction perpendicular to the first electrode, and a shorting member that shorts the first electrode and second electrode; and a planar conductor disposed in plan view to a position superimposed with the first electrode. The second electrode is disposed between the first electrode and the conductor in a side view from a second direction perpendicular to the first direction, and a connector electrically connects the second electrode and conductor.
    Type: Application
    Filed: August 12, 2019
    Publication date: February 13, 2020
    Inventor: Tadashi AIZAWA
  • Publication number: 20190377967
    Abstract: An image analyzer repeatedly obtains a captured image including a subject to be detected, and detects, in the captured image, a first area likely to include the subject without a cover, detects, in the captured image, a second area likely to include the subject with a cover, and determines whether the subject is covered by the cover based on a detection result of the first area and a detection result of the second area and a determination result for the captured image obtained previously.
    Type: Application
    Filed: August 22, 2019
    Publication date: December 12, 2019
    Applicant: OMRON Corporation
    Inventors: Tomohiro YABUUCHI, Tomoyoshi AIZAWA, Koichi KINOSHITA, Tadashi HYUGA, Hatsumi AOI, Mei UETANI
  • Publication number: 20190370580
    Abstract: A driver monitoring apparatus according to an aspect of the present invention includes: an image obtaining unit that obtains a captured image from an imaging apparatus arranged so as to capture an image of a driver seated in a driver seat of a vehicle; an observation information obtaining unit that obtains observation information regarding the driver, the observation information including facial behavior information regarding behavior of a face of the driver; and a driver state estimating unit that inputs the captured image and the observation information to a trained learner that has been trained to estimate a degree of concentration of the driver on driving, and obtains, from the learner, driving concentration information regarding the degree of concentration of the driver on driving.
    Type: Application
    Filed: May 26, 2017
    Publication date: December 5, 2019
    Applicant: OMRON Corporation
    Inventors: Hatsumi AOI, Koichi KINOSHITA, Tomoyoshi AIZAWA, Tadashi HYUGA, Tomohiro YABUUCHI, Mei UETANI
  • Publication number: 20190370996
    Abstract: An image processing apparatus includes a first learner trained to detect an orientation of a face in an image including a human face for receiving an input of a target image including a human face and outputting first information associated with an orientation of a face included in the target image, at least one second learner trained, for the first information, to detect a position of a facial component in an image including a human face for receiving an input of the target image and outputting second information associated with a position of a facial component included in the target image, and a control unit that controls the first learner and the second learner. The control unit uses the first learner to obtain the first information from the target image, and uses the second learner corresponding to the first information to obtain the second information from the target image.
    Type: Application
    Filed: August 20, 2019
    Publication date: December 5, 2019
    Applicant: OMRON Corporation
    Inventors: Tomohiro YABUUCHI, Koichi KINOSHITA, Tomoyoshi AIZAWA, Tadashi HYUGA, Hatsumi AOI, Mei UETANI
  • Publication number: 20190372206
    Abstract: An electronic apparatus includes a display; and an antenna including a first element without power feeding that is a structural component made of metal and is disposed on the display or above a display surface of the display in a display direction, a second element which is disposed below the first element and is connected to a power supply, and a GND plate that is disposed below the second element, wherein the first element and the second element are electromagnetically coupled.
    Type: Application
    Filed: August 13, 2019
    Publication date: December 5, 2019
    Inventors: Tadashi Aizawa, Masayuki Ikeda
  • Patent number: 10488688
    Abstract: A display device includes a liquid crystal display element, a light shielding member, and a heat sink. The liquid crystal display element has a display pixel region. The light shielding member shields regions other than the display pixel region. The liquid crystal display element and the light shielding member are fixed to the heat sink. The light shielding member includes a frame part, an inclined part, and an opening. The frame part is disposed outside the display pixel region. The inclined part is inclined from the frame part toward an outer peripheral portion of the display pixel region. The opening is formed by an end portion of the inclined part on a side of the display pixel region, and formed in a shape corresponding to the display pixel region.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: November 26, 2019
    Assignee: JVC KENWOOD CORPORATION
    Inventor: Tadashi Aizawa
  • Publication number: 20190347499
    Abstract: A driver state estimation device, which can precisely estimate a head position of a driver in the real world from an image, includes a monocular camera for picking up an image including a face of a driver, and a CPU including a head center position estimating section for estimating a head center position of the driver in the image using a three-dimensional face shape model fitted on the face of the driver in the image picked up by the monocular camera, and a distance estimating section for estimating a distance between an origin point located in a front direction of the driver's seat and a head center position of the driver in the real world, on the basis of the head center position of the driver in the image estimated and information including a specification and a position posture of the monocular camera.
    Type: Application
    Filed: July 27, 2017
    Publication date: November 14, 2019
    Applicant: OMRON Corporation
    Inventors: Yukiko YANAGAWA, Tadashi HYUGA, Tomoyoshi AIZAWA, Koichi KINOSHITA
  • Patent number: 10424833
    Abstract: An electronic apparatus includes a display; and an antenna including a first element without power feeding that is a structural component made of metal and is disposed on the display or above a display surface of the display in a display direction, a second element which is disposed below the first element and is connected to a power supply, and a GND plate that is disposed below the second element, wherein the first element and the second element are electromagnetically coupled.
    Type: Grant
    Filed: January 15, 2019
    Date of Patent: September 24, 2019
    Assignee: Seiko Epson Corporation
    Inventors: Tadashi Aizawa, Masayuki Ikeda
  • Publication number: 20190286069
    Abstract: An inverted-F antenna is included in an electronic timepiece without increasing the thickness of the electronic timepiece. In an electronic timepiece having a dial, a plastic calendar plate disposed on the back cover side of the dial, and a main plate disposed on the back cover side of the calendar plate, a first conductor element, second conductor element, and a shorting element shorting the first conductor element and second conductor element are formed in unison with the calendar plate, enabling the calendar plate to function as an inverted-F antenna. The first conductor element is disposed on the dial side surface of the calendar plate, and superimposed with the dial in a plan view. The second conductor element is disposed on the main plate side of the calendar plate, and superimposed in the plan view with the first conductor element. The shorting element is disposed to the side of the calendar plate.
    Type: Application
    Filed: March 18, 2019
    Publication date: September 19, 2019
    Inventors: Hironobu YAMAMOTO, Tadashi AIZAWA
  • Publication number: 20190280369
    Abstract: An electronic apparatus includes: a circuit substrate on which circuit components are disposed; and an antenna that includes a first electrode and a second electrode which is opposite to a surface of the circuit substrate, on which the circuit components are disposed, and includes a projection portion protruding in a direction from the second electrode toward the circuit substrate, a top portion of the projection portion not overlapping with the circuit components in plan view along a thickness direction of the circuit substrate. In the antenna including the first electrode and the second electrode, even if a surface of the antenna has an unevenness shape, as an average of thicknesses of the antenna is thicker, sensitivity of the antenna is improved.
    Type: Application
    Filed: March 8, 2019
    Publication date: September 12, 2019
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Tadashi AIZAWA, Seiji OSAWA