Patents by Inventor Isao Takahashi

Isao Takahashi 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: 20210296511
    Abstract: A semiconductor device with enhanced semiconductor characteristics that is useful for power devices. A semiconductor device, including: an n-type semiconductor layer; an electrode; two or more p-type semiconductors provided between the n-type semiconductor layer and the electrode, the n-type semiconductor layer containing a corundum-structured crystallin oxide semiconductor as a major component, a number of the two or more p-type semiconductor that is equal to or more than three, and the two or more p-type semiconductors that are embedded in the n-type semiconductor layer.
    Type: Application
    Filed: July 10, 2019
    Publication date: September 23, 2021
    Inventors: Masahiro SUGIMOTO, Isao TAKAHASHI, Takashi SHINOHE, Koji AMAZUTSUMI
  • Publication number: 20210287406
    Abstract: A product design system according to an embodiment of the present disclosure includes a first transmitting section that uses a look-up table to convert second design image data for which image correction is completed into third design image data of a color space that is represented with a thermochromic material, and transmits the third design image data derived from the conversion to an external apparatus, and a second transmitting section that transmits a decorating request based on fourth design image data that is profile-transformed from the second design image data to a decorating apparatus.
    Type: Application
    Filed: November 17, 2017
    Publication date: September 16, 2021
    Inventors: ASUKA TEJIMA, YUKI OISHI, MASARU WADA, KENICHI KURIHARA, SATOKO ASAOKA, YURIKO KAINO, NOBUKAZU HIRAI, YUSUKE KAJIO, AYA SHUTO, TAICHI TAKEUCHI, ISAO TAKAHASHI
  • Patent number: 11121646
    Abstract: An object of this invention is to create an actuator in which the amount of deformation is maintained and no displacement in the reverse direction occurs, even when a constant voltage is continuously applied for a long period of time. As a means for achieving the above object, the invention provides a conductive thin film comprising a polymer gel containing at least one organic molecule selected from the group consisting of electron-donating organic molecules and electron-withdrawing organic molecules, a nano-carbon material, an ionic liquid, and a polymer.
    Type: Grant
    Filed: June 13, 2019
    Date of Patent: September 14, 2021
    Assignee: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE & TECHNOLOGY
    Inventors: Takushi Sugino, Kinji Asaka, Isao Takahashi, Tomomasa Takatsuka, Kenichi Mitsumori, Nobuaki Haga
  • Publication number: 20210272805
    Abstract: The disclosure provides a film forming method that enables to obtain an epitaxial film with reduced defects such as dislocations due to a reduced facet growth industrially advantageously, even if the epitaxial film has a corundum structure. When forming an epitaxial film on a crystal-growth surface of a corundum-structured crystal substrate directly or via another layer, using the crystal substrate having an uneven portion on the crystal-growth surface of the crystal substrate, generating and floating atomized droplets by atomizing a raw material solution including a metal; carrying the floated atomized droplets onto a surface of the crystal substrate by using a carrier gas; and causing a thermal reaction of the atomized droplets in a condition of a supply rate limiting state.
    Type: Application
    Filed: June 21, 2019
    Publication date: September 2, 2021
    Inventors: Isao TAKAHASHI, Takashi SHINOHE
  • Patent number: 11104109
    Abstract: A reversible recording medium according to an embodiment of the present disclosure includes a first layer that reversibly changes between an achromatic state and a transparent state, and a second layer that reversibly changes between a chromatic state and a transparent state.
    Type: Grant
    Filed: October 5, 2017
    Date of Patent: August 31, 2021
    Assignee: Sony Corporation
    Inventors: Kenichi Kurihara, Yuki Oishi, Yuriko Kaino, Aya Shuto, Nobukazu Hirai, Satoko Asaoka, Isao Takahashi
  • Patent number: 11088242
    Abstract: As an aspect of an embodiment, a crystal contains a metal oxide containing Ga and Mn and having a corundum structure.
    Type: Grant
    Filed: March 30, 2020
    Date of Patent: August 10, 2021
    Assignee: FLOSFIA INC.
    Inventors: Tokiyoshi Matsuda, Takahiro Sasaki, Toshimi Hitora, Isao Takahashi
  • Publication number: 20210234248
    Abstract: A directional coupler includes: a hollow coaxial line including a central conductor forming a main line and an outer conductor surrounding the central conductor and having an opening formed therein; a dielectric substrate covering the opening and provided with film-shaped ground conductors, wherein a film-shaped ground conductor covers a rear surface of the dielectric substrate facing the central conductor via the opening and a film-shaped ground conductor covers a front surface of the dielectric substrate, respectively, and are grounded; and a coupling line provided on the rear surface of the dielectric substrate in a region surrounded by the ground conductor formed on the rear surface and serving as an auxiliary line, wherein the ground conductor formed on the front surface is provided with a conductor-removed portion in which a portion of a conductor film in a region facing the coupling line via the dielectric substrate is removed.
    Type: Application
    Filed: January 22, 2021
    Publication date: July 29, 2021
    Inventors: Isao TAKAHASHI, Hiroyuki MIYASHITA, Yuki OSADA, Mitsuya INOUE, Mitsutoshi ASHIDA
  • Publication number: 20210226002
    Abstract: The disclosure provides a crystalline oxide film that has reduced defects such as dislocations due to a reduced facet growth. Also, the disclosure provides a crystalline oxide film that is useful for semiconductor devices and has an enhanced crystal quality. A crystalline oxide film, including: an epitaxial layer having a corundum structure, the lateral growth area is substantially free from a facet growth area, a growth direction of the lateral growth area that is c-axis direction or substantially c-axis direction, the lateral growth area including a dislocation line extending to the c-axis direction or substantially c-axis direction, a first crystal oxide and a second crystal oxide bonded to each other, that are crystal-grown in a direction parallel or approximately parallel to the x-axis.
    Type: Application
    Filed: June 21, 2019
    Publication date: July 22, 2021
    Inventors: Isao TAKAHASHI, Takashi SHINOHE
  • Patent number: 11057554
    Abstract: Disposing a functional device such as a camera on a display surface widens a frame. A display device (2) includes a display panel (DP) including a first substrate (5). The display panel has a transparent section (TS) from which display light does not go out and which has a partial region (5s) of the first substrate. In plan view, the transparent section which is larger than a pixel (PX) is disposed on an inner side of an edge of a display area (3) or is disposed to cut out the display area. The display panel has a back surface on which a functional device (FD) configured to perform at least one of light reception or light emission is disposed to overlap the transparent section.
    Type: Grant
    Filed: May 15, 2018
    Date of Patent: July 6, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Jin Nakamura, Nobuhisa Nakajima, Isao Takahashi, Hiroyuki Watatani
  • Patent number: 11045153
    Abstract: A highly accurate pulse height spectrum is generated within a short amount of time, further cost of a radiation imaging apparatus being reduced by employing a detector that performs calibration using the pulse height spectrum. Provided is a pulse height spectrum acquisition device of a radiation detector including multiple counting units for counting a detected signal obtained by detecting incident X-rays, when a value of the detected signal is equal to or larger than a threshold, and for outputting a count value of each counting unit.
    Type: Grant
    Filed: May 23, 2018
    Date of Patent: June 29, 2021
    Assignee: HITACHI, LTD.
    Inventor: Isao Takahashi
  • Publication number: 20210187965
    Abstract: A drawing and erasing apparatus includes a light source section that includes a plurality of laser elements different from each other in emission wavelength, a multiplexer that multiplexes a plurality of types of laser light beams outputted from the plurality of laser elements, a scanner section that performs scanning with multiplexed light outputted from the multiplexer on a reversible recording medium including a plurality of recording layers, the plurality of recording layers being reversible and different from each other in developed color hue, and a controller that controls a main scanning speed and a sub-scanning speed of the scanner section to cause the scanner section to perform overlapping scanning of a predetermined region on the reversible recording medium during erasure of information written on the reversible recording medium.
    Type: Application
    Filed: June 6, 2019
    Publication date: June 24, 2021
    Inventors: Isao TAKAHASHI, Nobukazu HIRAI, Satoko ASAOKA, Mitsunari HOSHI, Taichi TAKEUCHI, Eikichi SHIBATA
  • Publication number: 20210195151
    Abstract: A phosphor member includes: a phosphor plate that converts a part of excitation light into fluorescent light and emits mixed color light including the fluorescent light and the remaining part of the excitation light; and a reflective layer that is provided on the phosphor plate and that transmits a part of the mixed color light and reflects the remaining part.
    Type: Application
    Filed: November 20, 2018
    Publication date: June 24, 2021
    Inventor: Isao TAKAHASHI
  • Publication number: 20210181011
    Abstract: According to an embodiment, a nondestructive inspection method includes: detecting, by a plurality of sensors installed in a truck that supports a vehicle body, an elastic wave generated when a lifting member inserted between the vehicle body and the truck moves the vehicle body up and down; and estimating, by an evaluation device, a position of a defect in the truck, based on the elastic wave detected by the plurality of sensors.
    Type: Application
    Filed: August 28, 2020
    Publication date: June 17, 2021
    Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA INFRASTRUCTURE SYSTEMS & SOLUTIONS CORPORATION
    Inventors: Kazuo WATABE, Toshiki TAKAYASU, Takashi USUI, Yoshiyuki SAKAMOTO, Isao TAKAHASHI
  • Publication number: 20210151080
    Abstract: A reversible recording medium according to an embodiment of the present disclosure is a reversible recording medium that includes recording layers and heat-insulating layers that are alternately stacked, in which the recording layers each include a reversible heat-sensitive color developing composition and a first light-heat converting agent. In this reversible recording medium, the recording layers are different from each other in a developing color of their respective reversible heat-sensitive color developing compositions and are different from each other in an absorption wavelength of their respective first light-heat converting agents. This reversible recording medium further includes a heat-generating layer that includes a second light-heat converting agent having an absorption wavelength that is different from the absorption wavelength of the first light-heat converting agent included in each of the recording layers.
    Type: Application
    Filed: January 29, 2021
    Publication date: May 20, 2021
    Inventors: Isao TAKAHASHI, Satoko ASAOKA, Taichi TAKEUCHI, Asuka TEJIMA, Kentaro KURIYAMA, Mitsunari HOSHI
  • Publication number: 20210143251
    Abstract: As an aspect of an embodiment, a crystal contains a metal oxide containing Ga and Mn and having a corundum structure.
    Type: Application
    Filed: March 30, 2020
    Publication date: May 13, 2021
    Inventors: Tokiyoshi MATSUDA, Takahiro SASAKI, Toshimi HITORA, Isao TAKAHASHI
  • Publication number: 20210106292
    Abstract: A material decomposition apparatus for performing decomposition of a material in an object. The apparatus includes a data storage section for storing correction data preliminarily generated by decomposing one of three or more materials into the other two materials, a data input section to which radiation data of the object is inputted, the radiation data being divided into a plurality of energy levels, and a decomposition processing section for repeatedly performing two-material decomposition for decomposition of the other two materials of the three or more materials using the radiation data at different energy levels and the correction data to perform decomposition of the inside of the object into the three or more materials.
    Type: Application
    Filed: May 18, 2020
    Publication date: April 15, 2021
    Inventors: Shinichi KOJIMA, Kazuma YOKOI, Isao TAKAHASHI, Fumito WATANABE, Fuyuhiko TERAMOTO, Taiga GOTOU
  • Patent number: 10965919
    Abstract: A projector that can increase the brightness of an image, includes: first and second image forming elements that each include micromirrors; a projection lens that projects images formed on the first and second image forming elements; and a light source/optical unit that irradiates the first and second image forming elements with first blue light and second blue light in a first display period, and irradiates the first image forming element with the green light and irradiates the second image forming element with the red light in a second display period.
    Type: Grant
    Filed: October 18, 2016
    Date of Patent: March 30, 2021
    Assignee: NEC DISPLAY SOLUTIONS, LTD.
    Inventors: Isao Takahashi, Atsushi Kato, Noriko Nagase
  • Patent number: 10944015
    Abstract: In a first aspect of a present inventive subject matter, a semiconductor device includes an n-type semiconductor layer including a first semiconductor as a major component, an i-type semiconductor layer including a second semiconductor as a major component and a p-type semiconductor layer including a third semiconductor as a major component. The second semiconductor contains a corundum-structured oxide semiconductor.
    Type: Grant
    Filed: August 23, 2018
    Date of Patent: March 9, 2021
    Assignee: FLOSFIA INC.
    Inventors: Masahiro Sugimoto, Isao Takahashi, Takashi Shinohe, Toshimi Hitora
  • Patent number: 10943981
    Abstract: In a first aspect of a present inventive subject matter, a semiconductor device includes an n-type semiconductor layer, an i-type semiconductor layer and a p-type semiconductor layer. The i-type semiconductor layer includes an oxide semiconductor as a major component. The oxide semiconductor that is included as the major component of the i-type semiconductor layer includes at least one metal selected from among aluminum, indium, and gallium.
    Type: Grant
    Filed: August 23, 2018
    Date of Patent: March 9, 2021
    Assignee: FLOSFIA INC.
    Inventors: Masahiro Sugimoto, Isao Takahashi, Takashi Shinohe, Toshimi Hitora
  • Publication number: 20210066158
    Abstract: A semiconductor device, including a conductive plate having a front surface that includes a plurality of bonding regions and a plurality of non-bonding regions in peripheries of the bonding regions, a plurality of semiconductor elements mounted on the conductive plate in the bonding regions, and a resin encapsulating therein at least the plurality of semiconductor elements and the front surface of the conductive plate. The conductive plate has, at the front surface thereof in the non-bonding regions, a plurality of holes.
    Type: Application
    Filed: August 19, 2020
    Publication date: March 4, 2021
    Applicants: FUJI ELECTRIC CO., LTD., FURUKAWA ELECTRIC CO., LTD.
    Inventors: Ryoichi KATO, Hiromichi GOHARA, Yoshinari IKEDA, Yoshikazu TAKAHASHI, Kuniteru MIHARA, Isao TAKAHASHI