Patents by Inventor Hajime Yamaguchi

Hajime Yamaguchi 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: 8072631
    Abstract: There is provided with a method performed in an image transmission apparatus capable of executing first communication and second communication whose communication speed is lower than that of the first communication with a display apparatus, including: generating an image to be displayed on the display apparatus; detecting whether the first communication is executable or not; transmitting the generated image to the display apparatus via the first communication when the first communication is executable; transmitting a compressed image obtained by compressing the generated image to the display apparatus via the second communication when the first communication is not executable; and transmitting compression utilization information required to display the compressed image on the display apparatus to the display apparatus via at least one of the first communication and the second communication when the first communication is executable.
    Type: Grant
    Filed: September 25, 2006
    Date of Patent: December 6, 2011
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Shinya Murai, Hajime Yamaguchi, Tsuyoshi Hioki, Shogo Yamaguchi, Mitsue Fujinuki
  • Publication number: 20110279756
    Abstract: According to one embodiment, an optical device includes an optically variable layer and first and second electrodes. The optically variable layer includes a material having dielectric anisotropy and a solvatochromic dye. The first and second electrodes are configured to apply a voltage to the optically variable layer. According to another embodiment, a display includes an optical device and a driving circuit. The optical device includes an optically variable layer and first and second electrodes. The optically variable layer includes a material having dielectric anisotropy and a solvatochromic dye. The first and second electrodes are configured to driving circuit is configured to put a drive voltage across the first and second electrodes.
    Type: Application
    Filed: May 19, 2011
    Publication date: November 17, 2011
    Inventors: Hajime Yamaguchi, Rei Hasegawa, Takashi Miyazaki, Hitoshi Nagato, Haruhi Oooka
  • Publication number: 20110205214
    Abstract: According to one embodiment, a display device includes a first substrate, a second substrate, a first electrode, a second electrode, a partition electrode, a luminescent layer and a voltage source. The luminescent layer includes a luminescent material emitting light rays due to an electrochemical oxidation or reduction reaction thereof. The voltage source is configured to generate a driving voltage between the first and second electrodes so as to apply first and second potentials, wherein the first and second potentials are maintained at one and opposite polarities in respect to the reference potential during a predetermined segment period respectively and are periodically reversed, each of the first and second potentials is changed first to second absolute levels during the predetermined segment period, the second absolute potential is determined depending on the gradation of input image data, and the first absolute potential is higher than the second absolute potential.
    Type: Application
    Filed: March 4, 2011
    Publication date: August 25, 2011
    Inventors: Yukio KIZAKI, Rei Hasegawa, Hajime Yamaguchi, Hitoshi Nagato, Yukitami Mizuno, Isao Amemiya, Tomio Ono
  • Patent number: 7981526
    Abstract: A light-emitting device is provide, which includes a first substrate, a first electrode and a second electrode, which are disposed above the first substrate and insulated from each other, enabling a difference in electrical potential to be given between the first electrode and the second electrode, a second substrate disposed to face the first substrate and spaced apart from the first substrate, a light-emitting layer disposed between the first substrate and the second substrate, the light-emitting layer includes a light-emitting material which emits light through an electrochemical oxidation or reduction thereof and chloride ions, and a barrier electrode interposed between the first electrode and the second electrode to partition the light-emitting layer. This barrier electrode is used as a standard for the electrical potential.
    Type: Grant
    Filed: September 17, 2008
    Date of Patent: July 19, 2011
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Yukio Kizaki, Rei Hasegawa, Hajime Yamaguchi, Isao Amemiya
  • Publication number: 20110163687
    Abstract: According to one embodiment, a light-emitting device includes an emitting layer, first and second electrodes, a voltage-supply circuit, an ammeter and a controller. The emitting layer includes a solution containing an emitting material and a solvent. The first and second electrodes are in contact with the solution. The voltage-supply circuit applies an operating voltage between the first and second electrodes. The ammeter measures the amount of electric current flowing between the first and second electrodes. The controller controls the operation of the voltage-supply circuit such that the polarity of the operating voltage reverses and determining a timing of reversing the polarity based on the output of the ammeter.
    Type: Application
    Filed: March 16, 2011
    Publication date: July 7, 2011
    Inventors: Yukio KIZAKI, Rei Hasegawa, Hajime Yamaguchi, Isao Amemiya
  • Patent number: 7881369
    Abstract: In an image transmission apparatus an image data generator generates image data that represents an image. An updated image data generator generates updated image data that represents an updated image of an updated region of the image. A compressor compresses the updated image data. A transmitter stores the updated image data that is compressed by the compressor. An updated image data storage stores the updated image data. A transmission result storage stores transmission result data that includes quality information and time information, the quality information relating to an image quality, the time information indicating when the updated image data is generated. A transmission data selector selects the updated image data stored in the updated image data storage, and sets the image quality of the updated image data selected, according to the transmission result data stored in the transmission result storage.
    Type: Grant
    Filed: March 6, 2006
    Date of Patent: February 1, 2011
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Shinya Murai, Hajime Yamaguchi, Toshio Shirakihara, Haruhiko Toyama, Takuya Kawamura
  • Publication number: 20100208332
    Abstract: A display device includes: an optical cell including: a first electrode; a second electrode; an ion conduction layer facing the first electrode and the second electrode and containing a mobile ion; and a first nanostructure provided between the first electrode and the ion conduction layer and being electrically connected to the first electrode. The first nanostructure has a first plasmon resonance wavelength in a visible light region and contains a first metal element. A first metal compound layer which contains the first metal element contained in the first nanostructure and has a refractive index different from a refractive index of the ion conduction layer is formed on at least a part of a surface of the first nanostructure by applying a voltage between the first electrode and the second electrode.
    Type: Application
    Filed: February 12, 2010
    Publication date: August 19, 2010
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Takashi MIYAZAKI, Rei Hasegawa, Hajime Yamaguchi, Hitoshi Nagato, Haruhi Oooka, Shuichi Uchikoga
  • Patent number: 7702171
    Abstract: A screen data transmitting device for transmitting screen data to a screen display terminal through a network. A generation device generates a display image data. A storage device stores compression properties information associating a plurality of compression schemes with a plurality of classes of graphical user interface (GUI) components. A selection device selects one of the compression schemes with respect to a GUI component that is present in a region of the display image data. A compression device compresses the region of the display image data according to the selected compression scheme. Then, a transmission device transmits the screen data including the compressed display image data to the screen display terminal.
    Type: Grant
    Filed: March 27, 2006
    Date of Patent: April 20, 2010
    Assignee: Kabushiki Kasha Toshiba
    Inventors: Shinya Murai, Shogo Yamaguchi, Hajime Yamaguchi, Toshio Shirakihara, Haruhiko Toyama, Takuya Kawamura
  • Publication number: 20100079700
    Abstract: A liquid crystal display includes a liquid crystal layer causing a selective reflection and exhibiting Kerr effect, first and second electrodes applying voltage to the liquid crystal layer, a first circular polarizer disposed between the liquid crystal layer and a viewer and allowing a first circularly polarized light incident on the liquid crystal layer when irradiated with a natural light, the first circularly polarized light having an electric-field vector rotating in a direction reverse to a rotation direction of an electric-field vector of a circularly polarized light selectively reflected by the liquid crystal layer, and a second circular polarizer facing the first circular polarizer with the liquid crystal layer interposed therebetween and allowing a second circularly polarized light incident on the liquid crystal layer when irradiated with a natural light.
    Type: Application
    Filed: September 23, 2009
    Publication date: April 1, 2010
    Inventors: Rei HASEGAWA, Yuko KIZU, Hajime Yamaguchi
  • Publication number: 20100066970
    Abstract: An electronic device including: a thin-film substrate having a front surface being formed with electronic circuits; an adhesive layer comprising an adhesive material applied to a back surface of the thin-film substrate, the adhesive material having an elasticity modulus being in a range of 1.0×103 to 2.1×104 Pa at 80° C.; and a flexible substrate having a front surface being bonded to the back surface of the thin-film substrate with the adhesive layer.
    Type: Application
    Filed: September 11, 2009
    Publication date: March 18, 2010
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Takashi MIYAZAKI, Hajime Yamaguchi, Masao Tanaka, Kentaro Miura, Rei Hasegawa
  • Publication number: 20100026952
    Abstract: A display device includes: a flexible first substrate; a flexible second substrate provided facing the first substrate; a display part; and a wiring substrate. The display part has a display component which is disposed between the first substrate and the second substrate. The display component produces at least one of an optical characteristic change and a light emission. The wiring substrate is connected to a connection pad provided on at least one of the first substrate and the second substrate. At least a portion of the wiring substrate is interposed between the first substrate and the second substrate outside the display part.
    Type: Application
    Filed: July 29, 2009
    Publication date: February 4, 2010
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Kentaro Miura, Hajime Yamaguchi, Masao Tanaka, Takashi Miyazaki
  • Publication number: 20090243502
    Abstract: A light-emitting device is provide, which includes a first substrate, a first electrode and a second electrode, which are disposed above the first substrate and insulated from each other, enabling a difference in electrical potential to be given between the first electrode and the second electrode, a second substrate disposed to face the first substrate and spaced apart from the first substrate, a light-emitting layer disposed between the first substrate and the second substrate, the light-emitting layer includes a light-emitting material which emits light through an electrochemical oxidation or reduction thereof and chloride ions, and a barrier electrode interposed between the first electrode and the second electrode to partition the light-emitting layer. This barrier electrode is used as a standard for the electrical potential.
    Type: Application
    Filed: September 17, 2008
    Publication date: October 1, 2009
    Inventors: Yukio KIZAKI, Rei Hasegawa, Hajime Yamaguchi, Isao Amemiya
  • Publication number: 20090244456
    Abstract: A display device is provide, which includes a supporting substrate, a flexible display provided with a transparent display substrate formed above the supporting substrate, and a dilatant fluid accommodating member. The dilatant fluid accommodating member is disposed on the outside of the flexible display.
    Type: Application
    Filed: February 6, 2009
    Publication date: October 1, 2009
    Inventors: Takashi MIYAZAKI, Hajime YAMAGUCHI, Masao TANAKA, Rei HASEGAWA
  • Publication number: 20080211731
    Abstract: A video data transmitting apparatus includes a memory to store management information indicating corresponding relation between identification information elements for identifying a plurality of stackable display devices and orders of the display devices, an image data generator to generate a plurality of image data streams having a sequence according to the sequence, and a image data transmitter to transmit the image data streams to the display devices with order relation among the image data streams matching with order relation among the display devices based on the management information.
    Type: Application
    Filed: January 25, 2008
    Publication date: September 4, 2008
    Inventors: Shinya Murai, Hajime Yamaguchi, Tsuyoshi Hioki, Shogo Yamaguchi, Mitsue Fujinuki
  • Publication number: 20070263086
    Abstract: There is provided with a method performed in an image transmission apparatus capable of executing first communication and second communication whose communication speed is lower than that of the first communication with a display apparatus, including: generating an image to be displayed on the display apparatus; detecting whether the first communication is executable or not; transmitting the generated image to the display apparatus via the first communication when the first communication is executable; transmitting a compressed image obtained by compressing the generated image to the display apparatus via the second communication when the first communication is not executable; and transmitting compression utilization information required to display the compressed image on the display apparatus to the display apparatus via at least one of the first communication and the second communication when the first communication is executable.
    Type: Application
    Filed: September 25, 2006
    Publication date: November 15, 2007
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Shinya Murai, Hajime Yamaguchi, Tsuyoshi Hioki, Shogo Yamaguchi, Mitsue Fujinuki
  • Publication number: 20070236408
    Abstract: There is provided with a computing device including: a coupler configured to couple to a display device having a chargeable first battery and be able to be separated from the display device, wherein charging to the first battery and wired communication with the display device can be performed via the coupler at a time of being coupled to the display device; a detector configured to detect whether the coupler is coupled to the display device; a wireless communicator configured to communicate wirelessly with the display device when separated from the display device; a connector configured to be supplied with power from an external power supply; a chargeable second battery; a further detector configured to detect whether power is supplied to the connector; and a controller configured to control charging and discharging of the first and second battery based on whether the power is supplied when coupled to the display device.
    Type: Application
    Filed: March 19, 2007
    Publication date: October 11, 2007
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Hajime Yamaguchi, Shinya Murai, Shogo Yamaguchi, Mitsue Fujinuki, Tsuyoshi Hioki
  • Publication number: 20070234222
    Abstract: According to an aspect of the present invention, there is provided with a screen transmission device, including: a first receiver configured to receive usage state information indicating usage states of a plurality of screen display devices by a user from each the screen display device; a second receiver configured to receive a message of requesting start-up of a window from the screen display device out of the screen display devices; a determiner configured to determine a screen display device on which the window is to be started up out of the plurality of screen display devices based on the usage states of each the screen display device; a screen data generator configured to generate screen data of the window; and a transmitter configured to transmit the screen data of the window to the screen display device determined by the determiner.
    Type: Application
    Filed: February 13, 2007
    Publication date: October 4, 2007
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Shogo Yamaguchi, Shinya Murai, Tsuyoshi Hioki, Hajime Yamaguchi, Mitsue Fujinuki
  • Patent number: 7119780
    Abstract: A display includes a ferroelectric liquid crystal material having an asymmetric polarity response property, a section which applies an image signal to a pixel of the material for every two fields forming one frame, and a controller which reverses the polarity of the signal in one frame period. Particularly, the controller is configured that the polarity of the signal is reversed in a selected one of first and second manners, the first manner initiating a signal amplitude change from a polarity in which a larger response of the material is obtainable, the second manner initiating a signal amplitude change from a polarity in which a smaller response of the material is obtainable, and the selected manner being smaller in the total of brightness deviation generated in a frame immediately after the change for each of predetermined brightness transitions.
    Type: Grant
    Filed: November 8, 2004
    Date of Patent: October 10, 2006
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Tatsuo Saishu, Hajime Yamaguchi, Rieko Fukushima, Rei Hasegawa, Kohki Takatoh
  • Publication number: 20060222246
    Abstract: A screen data transmitting device for transmitting screen data to a screen display terminal through a network. A generation device generates a display image data. A storage device stores compression properties information associating a plurality of compression schemes with a plurality of classes of graphical user interface (GUI) components. A selection device selects one of the compression schemes with respect to a GUI component that is present in a region of the display image data. A compression device compresses the region of the display image data according to the selected compression scheme. Then, a transmission device transmits the screen data including the compressed display image data to the screen display terminal.
    Type: Application
    Filed: March 27, 2006
    Publication date: October 5, 2006
    Inventors: Shinya Murai, Shogo Yamaguchi, Hajime Yamaguchi, Toshio Shirakihara, Haruhiko Toyama, Takuya Kawamura
  • Publication number: 20060210177
    Abstract: In an image transmission apparatus an image data generator generates image data that represents an image. An updated image data generator generates updated image data that represents an updated image of an updated region of the image. A compressor compresses the updated image data. A transmitter stores the updated image data that is compressed by the compressor. An updated image data storage stores the updated image data. A transmission result storage stores transmission result data that includes quality information and time information, the quality information relating to an image quality, the time information indicating when the updated image data is generated. A transmission data selector selects the updated image data stored in the updated image data storage, and sets the image quality of the updated image data selected, according to the transmission result data stored in the transmission result storage.
    Type: Application
    Filed: March 6, 2006
    Publication date: September 21, 2006
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Shinya Murai, Hajime Yamaguchi, Toshio Shirakihara, Haruhiko Toyama, Takuya Kawamura