Patents by Inventor Tsuyoshi Ozaki

Tsuyoshi Ozaki 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: 20080180365
    Abstract: A display driving device includes a gradation voltage generating section which generates gradation voltage corresponding to display data, a constant current circuit section which supplies a predetermined constant current to a display pixel, a voltage detecting section which detects a voltage of a data line at the time of supplying the constant current as a detected voltage, and a voltage adding section which adds and subtracts the gradation voltage, a reference voltage corresponding to the detected voltage and an intrinsic voltage determined based on a design parameter of a driving transistor provided to the display pixel (driving circuit) so as to generate a pixel data voltage Vpix (=Vref?Vref0+Vdata), and supplies the pixel data voltage as a gradation signal to the data line.
    Type: Application
    Filed: March 26, 2008
    Publication date: July 31, 2008
    Applicant: CASIO COMPUTER CO., LTD.
    Inventor: Tsuyoshi OZAKI
  • Publication number: 20080074704
    Abstract: An exposure device which is low in price and has a simple structure.
    Type: Application
    Filed: September 27, 2007
    Publication date: March 27, 2008
    Applicant: Casio Computer Co., Ltd.
    Inventors: Isao Ebisawa, Yoshiyuki Matsuoka, Kenji Kobayashi, Tomoyuki Shirasaki, Tsuyoshi Ozaki
  • Publication number: 20070221786
    Abstract: A satellite equipment panel on which may be mounted an installation equipment of a predetermined function, connectable by an interface, constitutes an artificial satellite. The satellite equipment panel includes a panel body, at least two interfaces for an interconnection to another satellite equipment panel, a line transfer switch disposed within the panel body for line transferring of the interconnection between the interfaces, a wiring disposed within the panel body and connected at one end to one of the interfaces and at the other end to the line transfer switch for interconnecting the interfaces on that panel body. The interfaces and the wiring, in cooperation with a support structure, constitute a wiring module disposed within the panel body. The interface may comprise at least one of interfaces of electric communication, optical communication, and optical sensor.
    Type: Application
    Filed: September 25, 2006
    Publication date: September 27, 2007
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Hajime TAKEYA, Tsuyoshi OZAKI, Hirotsugu MORINAGA, Shinji BADONO
  • Publication number: 20070216613
    Abstract: A display apparatus includes a display panel having a plurality of display pixels two-dimensionally arrayed display pixels having pixel drive circuits and light emitting devices near at intersections of a plurality of scan lines and a plurality of data lines laid out in a row direction and in a column direction so as to be orthogonal to each other, a scan driver which applies a scan signal to the scan lines at a predetermined timing, a data driver which supplies a gradation signal corresponding to display data to the display pixels via the data lines, and a pair of power source drivers which apply a supply voltage to both ends of a plurality of power supply lines laid out in the column direction at a predetermined timing.
    Type: Application
    Filed: March 13, 2007
    Publication date: September 20, 2007
    Applicant: Casio Computer Co., Ltd.
    Inventors: Jun Ogura, Tsuyoshi Ozaki
  • Publication number: 20070075638
    Abstract: A display panel including a plurality of pixels. Each pixel includes: a light emitting element; a pixel circuit having a driving transistor connected to the light emitting element in series; a data line to which a data current is supplied through the pixel circuit; a scanning line for selecting the pixel circuit; a first insulation film to cover the data line; and a second insulation film made of a material different from the first insulation film, to cover the data line and the first insulation film, wherein the following expression is satisfied.
    Type: Application
    Filed: September 29, 2006
    Publication date: April 5, 2007
    Inventors: Tomoyuki Shirasaki, Minoru Kumagai, Hiroyasu Yamada, Tsuyoshi Ozaki, Jun Ogura
  • Publication number: 20070057627
    Abstract: The present invention improves luminance and light emitting efficiency of electroluminescent elements. A manufacturing method of electroluminescent elements includes forming a positive electrode on a substrate, forming an organic compound layer on the positive electrode, forming an electron injecting layer on the organic compound layer, and forming a transparent conductive film on the electron injecting layer, thus forming electroluminescent element. After forming the transparent conductive film on the electron injecting layer, by applying a voltage between the positive electrode and the transparent conductive film while heating the electroluminescent element, light emission of the electroluminescent element such as luminance and light emitting efficiency is improved.
    Type: Application
    Filed: September 14, 2006
    Publication date: March 15, 2007
    Applicant: CASIO COMPUTER CO., LTD.
    Inventors: Takashi Kidu, Tsuyoshi Ozaki
  • Publication number: 20060267886
    Abstract: A display apparatus is disclosed. A display panel includes a plurality of display pixels arranged at intersections of a plurality of scanning lines and a plurality of data lines. A scanning drive unit sequentially applies a scanning signal to each of the scanning lines and sets the corresponding display pixels to a selection state. A data drive unit generates a gradation signal corresponding to the display data and supplies the gradation signal to the display pixels. A power source drive unit supplies to the display pixels a drive voltage for controlling a drive state of each of the display pixels. A drive control unit controls the power source drive unit to operate to set the display pixels to a non-display operation state during a non-display period, and controls the scanning drive unit to operate to set the display pixels to the selection state during the non-display period.
    Type: Application
    Filed: May 23, 2006
    Publication date: November 30, 2006
    Applicant: Casio Computer Co., Ltd.
    Inventors: Tsuyoshi Ozaki, Jun Ogura
  • Publication number: 20060066535
    Abstract: A display panel includes a transistor array substrate which has a plurality of pixels and is formed by providing a plurality of transistors for each pixel, each of the transistor having a gate, a gate insulating film, a source, and a drain. A plurality of interconnections are formed to project to a surface of the transistor array substrate and arrayed in parallel to each other. A plurality of pixel electrodes are provided for each pixel and arrayed between the interconnections on the surface of the transistor array substrate along the interconnections. Each of a plurality of light-emitting layers is formed on each pixel electrode. A counter electrode is stacked on the light-emitting layer.
    Type: Application
    Filed: September 26, 2005
    Publication date: March 30, 2006
    Applicant: Casio Computer Co., Ltd.
    Inventors: Tomoyuki Shirasaki, Tsuyoshi Ozaki, Jun Ogura
  • Patent number: 6992640
    Abstract: A radome has a structure in which core portions are laminated to opposite side surfaces of a high relative-dielectric-constant layer, respectively, and skin portions are additionally laminated to opposite side surfaces of the laminate, respectively. Furthermore, the skin portions laminated to the outside surfaces are coated with a coating material. The radome accommodates an antenna. The high relative-dielectric constant layer has a relative dielectric constant that is larger than the relative dielectric constants of the skin portions, and of the core portions.
    Type: Grant
    Filed: December 2, 2003
    Date of Patent: January 31, 2006
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Ryo Usami, Tsuyoshi Ozaki, Jun Tsuruta
  • Publication number: 20050280613
    Abstract: A display device which displays image information based on display data comprising a display panel having a plurality of signal lines and scanning lines with a plurality of display pixels containing current control type light emitting devices; a scan driver circuit applies a scanning signal to each of the scanning lines and sets the display pixels connected to the scanning lines in a selective state; a signal driver circuit generates gradation current based on the display data luminosity gradation component and supplies to the display pixels set in the selective state; a precharge circuit applies a precharge voltage to each signal line and sets a capacity component attached to each of the scanning lines in a predetermined charged state; and an operation control circuit controls setting of the light emitting devices in a non-light emitting state when the capacity component is set in a predetermined charged state.
    Type: Application
    Filed: June 16, 2005
    Publication date: December 22, 2005
    Applicant: Casio Computer Co., Ltd.
    Inventors: Manabu Takei, Tomoyuki Shirasaki, Ikuhiro Yamaguchi, Tsuyoshi Ozaki, Jun Ogura
  • Publication number: 20050270259
    Abstract: A display device includes a substrate, and a light-emitting element which is provided on one side of the substrate. A pixel circuit is provided on the side of the substrate, and has at least one electrode to drive the light-emitting element. An interconnection is provided on the side of substrate, is electrically connected to the pixel circuit and has a conductive layer different from the electrode of the pixel circuit.
    Type: Application
    Filed: June 7, 2005
    Publication date: December 8, 2005
    Applicant: Casio Computer Co., Ltd.
    Inventors: Tomoyuki Shirasaki, Tadahisa Tohyama, Manabu Takei, Jun Ogura, Ikuhiro Yamaguchi, Tsuyoshi Ozaki
  • Publication number: 20050264500
    Abstract: A display drive apparatus includes a selection circuit which sets display pixels in a plurality of specific rows of the display panel in a selected state with periods at least overlapping each other. A gradation signal generation circuit generates a gradation signal which controls a luminance gradation of each display pixel based on the display data and sequentially supplies the generated gradation signal in time series. A plurality of signal distribution circuits sequentially distribute the gradation signal supplied by the gradation signal generation circuit in accordance with the plurality of display pixels in each column at the timing of time-series supply. A plurality of current holding circuits individually hold the distributed gradation signal and simultaneously supply as the gradation current a current having a current value based on the held gradation signal to the display pixels in the plurality of specific rows.
    Type: Application
    Filed: May 25, 2005
    Publication date: December 1, 2005
    Applicant: CASIO COMPUTER CO., LTD.
    Inventors: Tomoyuki Shirasaki, Tsuyoshi Ozaki, Jun Ogura
  • Publication number: 20050163414
    Abstract: In a method of manufacturing a rib structural system, tape-shaped prepregs, each made of a fiber reinforced composite material into which a resin is impregnated, are laminated to form ribs in the form of a grid, while an optical fiber including Fiber Bragg Grating members at predetermined locations is layered in the ribs. The Fiber Bragg Grating members are arranged at intermediate locations dependent upon their reflection wavelengths, each of the intermediate locations being substantially midway between two adjacent intersections in of two or more ribs.
    Type: Application
    Filed: October 8, 2004
    Publication date: July 28, 2005
    Applicant: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Hajime Takeya, Tsuyoshi Ozaki, Steven Hahn
  • Publication number: 20050116967
    Abstract: A driver apparatus which drives each display pixel of a display panel having a plurality of display pixels equipped with current control type light emitting devices comprising a signal voltage generation circuit which generates a signal voltage having a voltage value corresponding to the display data and a voltage-current conversion circuit which supplies the display pixels by converting the signal voltage into a gradation current comprising a conversion circuit section which generates a signal current having a current value corresponding to the signal voltage. The conversion circuit section comprises a compensation circuit having a switching element constituted by a Field-Effect type Thin-Film Transistor which uses for example amorphous silicon and compensates component characteristic fluctuation in the switching element.
    Type: Application
    Filed: November 26, 2004
    Publication date: June 2, 2005
    Applicant: Casio Computer Co., Ltd
    Inventors: Tomoyuki Shirasaki, Tsuyoshi Ozaki
  • Publication number: 20040246195
    Abstract: A radome has a structure in which respective skin portions are laminated to an internal surface and an external surface of a core portion, respectively, and the surface of the skin portion laminated to the external surface thereof is coated with a coating material. The radome accommodates an antenna. A material is dispersed in the two skin portions or the core portion, or in both the two skin portions and the core portion. The material has a relative dielectric constant that is different from the portion in which the material is dispersed, thereby adjusting the difference between the relative dielectric constants of the skin portions and the core portion to no more than 1.5.
    Type: Application
    Filed: December 2, 2003
    Publication date: December 9, 2004
    Applicant: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Ryo Usami, Tsuyoshi Ozaki, Jun Tsuruta
  • Publication number: 20040246194
    Abstract: A radome has a structure in which core portions are laminated to opposite side surfaces of a high relative-dielectric-constant layer, respectively, and skin portions are additionally laminated to opposite side surfaces of the laminate, respectively. Furthermore, the skin portions laminated to the outside surfaces are coated with a coating material. The radome accommodates an antenna. The high relative-dielectric constant layer has a relative dielectric constant that is larger than the relative dielectric constants of the skin portions, and of the core portions.
    Type: Application
    Filed: December 2, 2003
    Publication date: December 9, 2004
    Applicant: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Ryo Usami, Tsuyoshi Ozaki, Jun Tsuruta
  • Publication number: 20040189627
    Abstract: A driver circuit for driving optical elements which is applied to a pixel driver circuit of the display device in this invention comprises a first current path with one end connected to the optical elements and the other end connected to a drive power supply; a second current path electrically connected to the first current path; a write-in control circuit which flows the write-in current having a predetermined current value in the direction of the other end side from the one end side of the first current path via the second current path; a charge storage circuit which stores the electric charge accompanying the write-in current flowing in the first current path; a drive control circuit which supplies the drive current to the optical elements via the first current path has a current value corresponding to the current value of the write-in current and drives these optical elements based on the electric charge stored in the charge storage circuit; and has a first timing operation in which the electric charge of
    Type: Application
    Filed: March 5, 2004
    Publication date: September 30, 2004
    Applicant: CASIO COMPUTER CO., LTD.
    Inventors: Tomoyuki Shirasaki, Kazuhito Sato, Tsuyoshi Ozaki, Manabu Takei
  • Patent number: 6722614
    Abstract: In a solar array paddle having panels which are connected to a main body of a satellite and rotatably connected to one another, elastic insertion members for prevention of vibration are disposed in a clearance between each of the panels and between the main body and the panel adjacent to the main body when the panels are housed, folded, and layered. Each of the insertion members for prevention of vibration is inserted into the clearances and between the main body of the satellite and the panels adjacent to the main body such that one surface contacts a first panel and the other surface is adhered to a second panel.
    Type: Grant
    Filed: August 15, 2002
    Date of Patent: April 20, 2004
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Takuo Ozawa, Tsuyoshi Ozaki
  • Publication number: 20030173467
    Abstract: In a solar array paddle having a plurality of panels which are connected to a main body of a satellite and rotatably connected to one another, a plurality of elastic insertion member for prevention of vibration is disposed in a clearance between each of the panels and in that between the main body and the panel adjacent to the main body when the panels are housed with them folded and layered. Each of the insertion member for prevention of vibration is inserted into the above-described clearances and those between the main body of the satellite and the panels adjacent to the main body such that one surface thereof is contacted with a relevant surface and the other surface thereof is adhered to another relevant surface.
    Type: Application
    Filed: August 15, 2002
    Publication date: September 18, 2003
    Applicant: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Takuo Ozawa, Tsuyoshi Ozaki
  • Patent number: 6091367
    Abstract: A flat antenna device is constructed such that circular patches are provided on one surface of a dielectric film, a metallic grounding conductor film is fitted to one surface of a dielectric film, a dielectric member is sandwiched between the dielectric film and the dielectric film, and an extending mechanism is provided to the periphery of the device so as to maintain the dielectric film and the dielectric film in a fully extended state. A circular microstrip patch antenna is formed by the metallic grounding conductor film and each of the circular patches.
    Type: Grant
    Filed: September 29, 1998
    Date of Patent: July 18, 2000
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Shigenori Kabashima, Tsuyoshi Ozaki, Toru Takahashi, Yoshihiko Konishi, Masataka Ohtsuka