Patents by Inventor Eiji Sakai

Eiji Sakai 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: 11966072
    Abstract: A planar light source device includes a plurality of light sources that is independently drivable, a first light guide to emit light incident from the first light source from an emitting surface in an emitting direction, a second light guide that is contained in a second light emitting region adjacent to a first light emitting region containing the first light guide and emits light incident from a second light source from the emitting surface in the emitting direction, and a partition frame having a partition wall that is positioned between the first light guide and the second light guide, partitions the first light emitting region and the second light emitting region, and is provided with a gap from the emitting surface of the first light guide, in which an angle formed by a wall surface and a bottom face of the partition wall is an acute angle.
    Type: Grant
    Filed: October 2, 2019
    Date of Patent: April 23, 2024
    Assignee: Mitsubishi Electric Corporation
    Inventors: Eiji Niikura, Saki Motokura, Mikio Araki, Mitsuru Sakai
  • Patent number: 10627869
    Abstract: According to one embodiment, an information processing device includes a keyboard arranged on an upper surface of a body, a main display connected to the body, and a sub-display arranged on a palm rest portion located on a front side of the keyboard.
    Type: Grant
    Filed: February 15, 2019
    Date of Patent: April 21, 2020
    Assignee: Japan Display Inc.
    Inventors: Kazuya Arima, Eiji Sakai
  • Publication number: 20190258298
    Abstract: According to one embodiment, an information processing device includes a keyboard arranged on an upper surface of a body, a main display connected to the body, and a sub-display arranged on a palm rest portion located on a front side of the keyboard.
    Type: Application
    Filed: February 15, 2019
    Publication date: August 22, 2019
    Inventors: Kazuya ARIMA, Eiji SAKAI
  • Patent number: 10120244
    Abstract: A display device including: a plurality of drive electrodes extending in a first direction and arranged side-by-side in a second direction with an inter-electrode slit in between; and a plurality of pixel electrodes arranged in matrix in the first and second directions. Each of the drive electrodes has one or more inner-electrode slits, and a center of the pixel electrode is located in the inter-electrode slit or in the inner-electrode slit.
    Type: Grant
    Filed: October 12, 2016
    Date of Patent: November 6, 2018
    Assignee: JAPAN DISPLAY INC.
    Inventors: Koji Noguchi, Eiji Sakai, Masanobu Ikeda, Koji Ishizaki
  • Publication number: 20170031216
    Abstract: A display device including: a plurality of drive electrodes extending in a first direction and arranged side-by-side in a second direction with an inter-electrode slit in between; and a plurality of pixel electrodes arranged in matrix in the first and second directions. Each of the drive electrodes has one or more inner-electrode slits, and a center of the pixel electrode is located in the inter-electrode slit or in the inner-electrode slit.
    Type: Application
    Filed: October 12, 2016
    Publication date: February 2, 2017
    Inventors: Koji Noguchi, Eiji Sakai, Masanobu Ikeda, Koji lshizaki
  • Patent number: 9501988
    Abstract: A display device includes: a plurality of drive electrodes extending in a first direction and arranged side-by-side in a second direction with an inter-electrode slit in between; and a plurality of pixel electrodes arranged in matrix in the first and second directions. Each of the drive electrodes has one or more inner-electrode slits, and a center of the pixel electrode is located in the inter-electrode slit or in the inner-electrode slit.
    Type: Grant
    Filed: July 2, 2014
    Date of Patent: November 22, 2016
    Assignee: JAPAN DISPLAY INC.
    Inventors: Koji Noguchi, Eiji Sakai, Masanobu Ikeda, Koji Ishizaki
  • Publication number: 20140320467
    Abstract: A display device includes: a plurality of drive electrodes extending in a first direction and arranged side-by-side in a second direction with an inter-electrode slit in between; and a plurality of pixel electrodes arranged in matrix in the first and second directions. Each of the drive electrodes has one or more inner-electrode slits, and a center of the pixel electrode is located in the inter-electrode slit or in the inner-electrode slit.
    Type: Application
    Filed: July 2, 2014
    Publication date: October 30, 2014
    Inventors: Koji Noguchi, Eiji Sakai, Masanobu Ikeda, Koji Ishizaki
  • Patent number: 8803858
    Abstract: A display device includes: a plurality of drive electrodes extending in a first direction and arranged side-by-side in a second direction with an inter-electrode slit in between; and a plurality of pixel electrodes arranged in matrix in the first and second directions. Each of the drive electrodes has one or more inner-electrode slits, and a center of the pixel electrode is located in the inter-electrode slit or in the inner-electrode slit.
    Type: Grant
    Filed: August 17, 2011
    Date of Patent: August 12, 2014
    Assignee: Japan Display West Inc.
    Inventors: Koji Noguchi, Eiji Sakai, Masanobu Ikeda, Koji Ishizaki
  • Patent number: 8623211
    Abstract: A filtering and condensing apparatus of a suction type includes: a sludge tank for containing sludge to be filtered and condensed; a plurality of filtering plates aligned with each other so as to be disposed to be adjacent to each other in the sludge tank; a means for constantly applying a tension force to each of the filtering plates, which means is disposed to be over a periphery of each filtering plate. A filtering cloth of each filtering plate is divided in the lateral direction by a plurality of vertically extending seams to form multiple divided zones, in each of which zone a filtering chamber is formed. A weight member is attached to a lower portion of each filtering plate using a U-shaped body.
    Type: Grant
    Filed: February 18, 2009
    Date of Patent: January 7, 2014
    Assignee: Metawater Co., Ltd.
    Inventors: Hiroyasu Yamane, Tadashi Kunitani, Eiji Sakai
  • Patent number: 8564580
    Abstract: Disclosed herein is a display device including a first light sensor unit configured to include a light-receiving element and detect intensity of ambient light to a display area; a second light sensor unit configured to include a light-receiving element and be provided with an infrared filter disposed on an optical path to the light-receiving element; and a signal processor configured to execute difference processing for a detection signal of the first light sensor unit and a detection signal of the second light sensor unit, wherein the infrared filter is formed by stacking at least two kinds of color filters.
    Type: Grant
    Filed: November 13, 2008
    Date of Patent: October 22, 2013
    Assignee: Japan Display West Inc.
    Inventors: Eiji Sakai, Takayuki Nakanishi, Seiji Uejima
  • Patent number: 8441605
    Abstract: The present invention provides a polarizing plate including: a layer of polarizer for polarizing incident light and emitting the polarized light; and a coating type optically anisotropic layer disposed on the side to which the polarized light is emitted from the polarizer layer.
    Type: Grant
    Filed: May 18, 2012
    Date of Patent: May 14, 2013
    Assignee: Japan Display West Inc.
    Inventor: Eiji Sakai
  • Publication number: 20120229021
    Abstract: The present invention provides a polarizing plate including: a layer of polarizer for polarizing incident light and emitting the polarized light; and a coating type optically anisotropic layer disposed on the side to which the polarized light is emitted from the polarizer layer.
    Type: Application
    Filed: May 18, 2012
    Publication date: September 13, 2012
    Applicant: Sony Corporation
    Inventor: Eiji SAKAI
  • Patent number: 8203677
    Abstract: The present invention provides a polarizing plate including: a layer of polarizer for polarizing incident light and emitting the polarized light; and a coating type optically anisotropic layer disposed on the side to which the polarized light is emitted from the polarizer layer.
    Type: Grant
    Filed: June 10, 2009
    Date of Patent: June 19, 2012
    Assignee: Sony Corporation
    Inventor: Eiji Sakai
  • Publication number: 20120050237
    Abstract: A display device includes: a plurality of drive electrodes extending in a first direction and arranged side-by-side in a second direction with an inter-electrode slit in between; and a plurality of pixel electrodes arranged in matrix in the first and second directions. Each of the drive electrodes has one or more inner-electrode slits, and a center of the pixel electrode is located in the inter-electrode slit or in the inner-electrode slit.
    Type: Application
    Filed: August 17, 2011
    Publication date: March 1, 2012
    Inventors: Koji Noguchi, Eiji Sakai, Masanobu Ikeda, Koji Ishizaki
  • Patent number: 8115879
    Abstract: A liquid crystal display has a driving substrate on which transparent pixel electrodes are formed; a counter substrate on which a counter electrode is formed; and a liquid crystal material disposed between the driving and counter substrates. Liquid crystal material molecules are oriented orthogonally to the substrates. The driving substrate has pixel capacitors and pixel transistors formed thereon, with the pixel capacitors disposed under the pixel electrodes. The pixel transistors act to write signal voltages to the pixel electrodes and pixel capacitors. The pixel electrodes have slits formed over the pixel capacitors to orient the the liquid crystal material molecules orthogonally and in a split manner. Each of the pixel capacitors has an electrode for reflecting light and forms a reflective region. Liquid crystal material portions in the reflective regions have a thickness greater than half the thickness of liquid crystal material portions in other transmissive regions.
    Type: Grant
    Filed: June 26, 2007
    Date of Patent: February 14, 2012
    Assignee: Sony Corporation
    Inventors: Hidemasa Yamaguchi, Shuichi Tatemori, Masaaki Kabe, Yosuke Motoyama, Eiji Sakai
  • Publication number: 20110259807
    Abstract: An object of the present invention is to provide a filtering and condensing apparatus of the suction type which is capable of securing the filtering performance without deteriorating the filtering efficiency. A filtering and condensing apparatus of a suction type comprises a sludge tank for containing sludge to be filtered and condensed, and a filtering plate disposed to be in the sludge tank and extending in the vertical direction of the sludge tank. The filtering plate includes vertical extending convex and concave portions on its surface, and a filtering cloth in a bag form to house the supporting plate, whereby a filtering chamber is formed between the filtering cloth and the filtering plate and a main flow passage for the filtrate which vertically extends is formed between the inner surface of the filtering cloth and the concave portion of the supporting plate.
    Type: Application
    Filed: February 19, 2009
    Publication date: October 27, 2011
    Applicant: METAWATER Co., Ltd.
    Inventors: Hiroyasu Yamane, Tadashi Kunitani, Eiji Sakai
  • Publication number: 20110259806
    Abstract: An object of the present invention is to provide a filtering and condensing apparatus of the suction type which is capable of improving the filtering efficiency by securing the filtering area, while at the same time keeping an integrity of the filtering cloth. A filtering and condensing apparatus of a suction type comprises a sludge tank for containing sludge to be filtered and condensed, and a plurality of filtering plates aligned with each other so as to be disposed to be adjacent to each other in the sludge tank. Each plane portion of the filtering plates extends in the vertical direction.
    Type: Application
    Filed: February 18, 2009
    Publication date: October 27, 2011
    Applicant: METAWATER Co., Ltd.
    Inventors: Hiroyasu Yamane, Tadashi Kunitani, Eiji Sakai
  • Patent number: 7973889
    Abstract: In a normally black mode liquid crystal display, the liquid crystal display and the method prevents the light leakage arising from existing the step for adjusting the thickness of the liquid crystal layer between the reflective electrode and the transparent electrode and that high contrast displaying can be possible. The interval adjustment layer is formed between the first substrate that the reflective electrode is formed in the reflective region and the transparent electrode is formed in the transmissive region, and the second substrate that is fixed at predetermined interval from the first substrate. This interval adjustment layer is adjuster of the thickness of the liquid crystal layer in the reflective region on the second substrate, and the thickness of the liquid crystal layer in the reflective region is preferable to be set approximately the thickness of the liquid crystal layer of the transmissive region.
    Type: Grant
    Filed: September 9, 2004
    Date of Patent: July 5, 2011
    Assignee: Sony Corporation
    Inventors: Koji Noguchi, Masaaki Kabe, Hidemasa Yamaguchi, Kazuyuki Endo, Shuichi Tatemori, Eiji Sakai
  • Patent number: 7880850
    Abstract: A liquid crystal display device is disclosed. The liquid crystal display includes a liquid crystal layer disposed between substrates opposing each other. A pixel of the liquid crystal display is alignment-divided into a plurality of sub-pixels. A dielectric member is provided on a connection portion where the sub-pixels are electrically connected.
    Type: Grant
    Filed: December 7, 2007
    Date of Patent: February 1, 2011
    Assignee: Sony Corporation
    Inventors: Takeo Koito, Shingo Kataoka, Eiji Sakai, Hiroshi Nishikawa
  • Patent number: 7786644
    Abstract: An electric rotary machine, an armature for use in the electric machine, a method of forming an electric rotary machine and a forming machine for an armature of an electric rotary machine are disclosed wherein insulator-coated coils are wound in slots of an armature core from which lower and upper layer coil extensions extend and are connected to a commutator. The upper layer coil extension has a contour deformation part at an intersecting region where the lower and upper layer coil extensions intersect with each other to have an insulating distance between the lower and upper layer coil extensions. The forming machine includes a work holder holding the armature, and a forming jig forming a curvature portion on the upper layer coil extension.
    Type: Grant
    Filed: November 14, 2006
    Date of Patent: August 31, 2010
    Assignee: Denso Corporation
    Inventors: Kazuyuki Kitou, Akiyasu Itoh, Katsunobu Inoue, Eiji Sakai, Minoru Fukui