Patents by Inventor Norihisa Asano

Norihisa Asano 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: 9064867
    Abstract: Disclosed is a semiconductor device provided with: lower-layer wiring formed on a substrate, an interlayer insulating film covering the lower-layer wiring, and a first upper-layer wiring line (18b) and a second upper-layer wiring line (18c) arranged on the interlayer insulating film and intersecting with the lower-layer wiring, and a level-difference adjustment protrusion is provided between the first upper-layer wiring line (18b) and the second upper-layer wiring line (18c) adjacent to a side section of the lower-layer wiring.
    Type: Grant
    Filed: April 20, 2011
    Date of Patent: June 23, 2015
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Norihisa Asano, Kazuyoshi Imae
  • Patent number: 8692244
    Abstract: A semiconductor device includes: an emitter electrode formed of a silicide film, and provided on a semiconductor layer; an insulating film provided on the emitter electrode; and an electrode pad made of Al, and provided on the insulating film.
    Type: Grant
    Filed: June 30, 2011
    Date of Patent: April 8, 2014
    Assignee: Mitsubishi Electric Corporation
    Inventors: Naoto Kaguchi, Norihisa Asano, Katsumi Sato
  • Patent number: 8466048
    Abstract: Disclosed is a semiconductor device which includes a substrate 11, a thin film transistor 20 having a first semiconductor layer 16A that is supported by the substrate 11, a thin film diode 30 having a second semiconductor layer 16B that is supported by the substrate 11, and a metal layer 12 that is formed between the substrate 11 and the second semiconductor layer 16B. The first semiconductor layer 16A is a laterally grown crystalline semiconductor film, and the second semiconductor layer 16B is a crystalline semiconductor film that contains fine crystal grains. The average surface roughness of the second semiconductor layer 16B is higher than the average surface roughness of the first semiconductor layer 16A. Consequently, the optical sensitivity of the TFD is improved and the reliability of the TFT is improved, as compared with those in the conventional semiconductor devices.
    Type: Grant
    Filed: March 9, 2010
    Date of Patent: June 18, 2013
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yoshiyuki Itoh, Masashi Maekawa, Norihisa Asano, Hiroki Taniyama
  • Publication number: 20130087924
    Abstract: Disclosed is a semiconductor device provided with: lower-layer wiring formed on a substrate, an interlayer insulating film covering the lower-layer wiring, and a first upper-layer wiring line (18b) and a second upper-layer wiring line (18c) arranged on the interlayer insulating film and intersecting with the lower-layer wiring, and a level-difference adjustment protrusion is provided between the first upper-layer wiring line (18b) and the second upper-layer wiring line (18c) adjacent to a side section of the lower-layer wiring.
    Type: Application
    Filed: April 20, 2011
    Publication date: April 11, 2013
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Norihisa Asano, Kazuyoshi Imae
  • Publication number: 20120104415
    Abstract: A semiconductor device includes: an emitter electrode formed of a silicide film, and provided on a semiconductor layer; an insulating film provided on the emitter electrode; and an electrode pad made of Al, and provided on the insulating film.
    Type: Application
    Filed: June 30, 2011
    Publication date: May 3, 2012
    Applicant: MITSUBISHI ELECTRONIC CORPORATION
    Inventors: Naoto KAGUCHI, Norihisa ASANO, Katsumi SATO
  • Publication number: 20110315995
    Abstract: Disclosed is a semiconductor device which includes a substrate 11, a thin film transistor 20 having a first semiconductor layer 16A that is supported by the substrate 11, a thin film diode 30 having a second semiconductor layer 16B that is supported by the substrate 11, and a metal layer 12 that is formed between the substrate 11 and the second semiconductor layer 16B. The first semiconductor layer 16A is a laterally grown crystalline semiconductor film, and the second semiconductor layer 16B is a crystalline semiconductor film that contains fine crystal grains. The average surface roughness of the second semiconductor layer 16B is higher than the average surface roughness of the first semiconductor layer 16A. Consequently, the optical sensitivity of the TFD is improved and the reliability of the TFT is improved, as compared with those in the conventional semiconductor devices.
    Type: Application
    Filed: March 9, 2010
    Publication date: December 29, 2011
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Yoshiyuki Itoh, Masashi Maekawa, Norihisa Asano, Hiroki Taniyama
  • Patent number: 7012332
    Abstract: A semiconductor chip and connection ends of corresponding external electrode terminals are encapsulated with a glass based sealing material, and the semiconductor chip includes a wide gap semiconductor element, and the electrodes of the semiconductor chip are connected to the end portions of the external electrode terminals by a silver based brazing member and/or pressure contact.
    Type: Grant
    Filed: September 25, 2003
    Date of Patent: March 14, 2006
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Yukitaka Hori, Katsumi Satoh, Norihisa Asano
  • Publication number: 20040070059
    Abstract: A semiconductor chip and connection ends of corresponding external electrode terminals are encapsulated with a glass based sealing material, and the semiconductor chip includes a wide gap semiconductor element, and the electrodes of the semiconductor chip are connected to the end portions of the external electrode terminals by a silver based brazing member and/or pressure contact.
    Type: Application
    Filed: September 25, 2003
    Publication date: April 15, 2004
    Applicant: MITSUBISHI DENKI KABUSHIKI KAISHA
    Inventors: Yukitaka Hori, Katsumi Satoh, Norihisa Asano
  • Patent number: 6329700
    Abstract: A semiconductor wafer and a semiconductor device with more chips are obtained. The semiconductor wafer includes a plurality of dicing lines (DXa, DXb, DYa, DYb) extending in the lateral direction (X) and in the longitudinal direction (Y) with an interval (L1) therebetween, and a semiconductor element forming region (CR1) with a semiconductor element, sectioned by the dicing lines (DXa, DXb, DYa, DYb). The dicing lines both in the lateral direction (X) and in the longitudinal direction (Y) have alternate widths (La, Lb), one of which (Lb) is larger than the other (La).
    Type: Grant
    Filed: February 19, 1999
    Date of Patent: December 11, 2001
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Youichi Ishimura, Hideki Takahashi, Norihisa Asano
  • Patent number: 6326129
    Abstract: A process for manufacturing an active element array substrate, such as for a display panel in a liquid crystal display device. The process comprises exposing photosensitive resin to an irradiation light from the rear face of the substrate and to another irradiation light applied from the front face of the substrate. The irradiation light from the front face of the substrate exposes a region encompassing substantially all of the pixel electrode extending from over a portion of the drain electrode to near the source and gate electrodes. This enables selective exposure of the photosensitive resin to the light from the front face even if scratches or dust exist on the rear face of the substrate during exposure to the light from the rear face, thus increasing the manufacturing yield of such active element array substrates.
    Type: Grant
    Filed: March 16, 2000
    Date of Patent: December 4, 2001
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Takashi Hirose, Junji Boshita, Norihisa Asano