Patents by Inventor Masahiro Ishii

Masahiro Ishii 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: 8224215
    Abstract: An image forming apparatus includes: an electrostatic latent image bearing member; a toner cartridge; a developing member; a transfer member; a developing device; and circulating member. The toner cartridge is removably coupled to the developing device. The developing device incorporates the developing member. The circulating member is capable of operating while the toner cartridge remains coupled to the developing device, to circulate the toner between the developing device and the toner cartridge irrespective of whether the developing member is operating.
    Type: Grant
    Filed: June 9, 2011
    Date of Patent: July 17, 2012
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Shougo Sato, Masahiro Ishii, Tsutomu Suzuki
  • Publication number: 20120122400
    Abstract: One array antenna including three induction coils is formed on an application integrated circuit of a fixed housing. Eight array antennas, each of which is arranged in a manner similar to that of the array antennas of the application integrated circuit, are formed at intervals of 45 degrees around a rotation axis on an imaging process integrated circuit of a movable housing. A controller selects one of the eight array antennas of the imaging process integrated circuit so that a magnitude of a difference between a rotation angle of a movable housing and a rotation angle of the movable housing becomes equal to or smaller than 22.5 degrees based on the rotation angle of the movable housing, and controls a stepping motor so that a selected array antenna opposes to the array antenna on the application integrated circuit.
    Type: Application
    Filed: May 11, 2011
    Publication date: May 17, 2012
    Inventors: Daisaku Kitagawa, Takeshi Nakayama, Masahiro Ishii
  • Publication number: 20120112737
    Abstract: Provided is an IC current measuring apparatus provided between an IC and a substrate. The IC current measuring apparatus electrically connects each of a plurality of IC-facing terminals and a different one of a plurality of substrate-facing terminals. Especially, resistances are each inserted into a path between an IC terminal targeted for measurement and a substrate terminal corresponding thereto. Furthermore, the IC current measuring apparatus is provided with terminals each used to measure a voltage between both ends of an inserted resistance corresponding thereto. Accordingly, a measurer who measures current flowing through an IC-facing terminal can measure the current flowing through the IC-facing terminal by providing the IC current measuring apparatus between the IC targeted for measurement and the substrate and measuring a voltage between both ends of an inserted resistance corresponding to the IC terminal through which current he/she wishes to measure flows.
    Type: Application
    Filed: April 19, 2011
    Publication date: May 10, 2012
    Inventors: Takeshi Nakayama, Yoshiyuki Saito, Masahiro Ishii, Kouichi Ishino, Yukihiro Ishimaru
  • Patent number: 8149354
    Abstract: Provided is a liquid crystal display device including: a substrate (13) including a polarizing layer (11) on a light-input side; a substrate (14) including a polarizing layer (12) on another side, the polarizing layers having absorption axes substantially perpendicular; a liquid crystal layer (15) in which a liquid-crystal-molecule is aligned to be substantially horizontal to the substrates. In a case where an absorption axis of the polarizing layer (11) and an optical axis of the liquid crystal layer are substantially perpendicular, the optical compensating members (17 and 18) may be provided between the polarizing layer (11) and the liquid crystal layer; the absorption axis of the polarizing layer (11) and a slow axis of the optical compensating members are substantially perpendicular; each pixel satisfies nx?ny?nz; thickness-direction retardation for pixels of one color is different from other colors; and the thickness-direction retardation for red pixels is larger than 0 nm.
    Type: Grant
    Filed: April 28, 2010
    Date of Patent: April 3, 2012
    Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Kentaro Ojima, Daisuke Kajita, Ikuo Hiyama, Masahiro Ishii, Yasushi Tomioka
  • Publication number: 20120076537
    Abstract: An image forming device is described according to an aspect comprises: a photoconductive drum; a developing roller opposed to the photoconductive drum; a developer container; a cartridge; a second portion; and a second terminal. The cartridge comprises: a cartridge frame; a memory unit; a first portion disposed at an upstream portion in a vicinity of an upstream end in an attachment direction of the cartridge frame; and a first terminal disposed at at least a part of the first portion and electrically connected to the memory unit. The second terminal is disposed at at least a part of the second portion to contact with the first terminal and electrically connected to a controller disposed in the main body. One of the first portion and second portion receives the other of the first portion and second portion.
    Type: Application
    Filed: December 2, 2011
    Publication date: March 29, 2012
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Masahiro ISHII, Fumio MORITA
  • Publication number: 20120057113
    Abstract: An active matrix type liquid crystal display device includes first and second substrates, a liquid crystal layer disposed between the first and second substrates, a plurality of pixel regions formed by image signal lines and scan signal lines, a semiconductor layer, a pixel electrode, a counter electrode formed on the first substrate in a pixel region, and a metal layer and a transparent conductive layer. The metal layer is completely covered by the transparent conductive layer when viewed in cross-section.
    Type: Application
    Filed: August 10, 2011
    Publication date: March 8, 2012
    Inventors: Masuyuki Ohta, Kazuhiro Ogawa, Keiichiro Ashizawa, Kazuhiko Yanagawa, Masahiro Yanai, Nobutake Konishi, Nobuyuki Suzuki, Masahiro Ishii, Makoto Yoneya, Sukekazu Aratani
  • Publication number: 20120051820
    Abstract: An image forming apparatus or cartridge is provided that includes an image carrier configured to be rotated while carrying a developer and transfer the developer onto a recording sheet at a transfer position. The image forming apparatus or cartridge may include a separating member disposed downstream from the transfer position in a rotating direction of the image carrier. The separating member may include a contact portion configured to contact the image carrier to separate the recording sheet from the image carrier, and an aperture configured to allow the developer to pass through the separating member from a first side of the separating member to a second side of the separating member opposite the first side, wherein the aperture is positioned farther away from the image carrier than the contact portion.
    Type: Application
    Filed: August 31, 2011
    Publication date: March 1, 2012
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Hideaki Deguchi, Keita Hironaka, Masahiro Ishii
  • Publication number: 20120044442
    Abstract: A liquid crystal display device includes first and second substrates with first and second polarizing layers, a liquid-crystal layer, a matrix-driven electrode group; and a rear-illuminating device. Between the first polarizing layer and the liquid-crystal layer, a first optical compensating member is disposed without a birefringent medium sandwiched between the liquid-crystal layer and the first optical compensating member, and the first optical compensating member is constructed so that when a refractive index thereof in a slow-axis direction in a plane parallel to the substrate is taken as n1, a refractive index in a fast-axis direction in the plane parallel to the substrate is taken as n2, and a refractive index in a thickness direction is taken as n3, the first optical compensating member satisfies n1?n3>n2, and a slow axis thereof in the plane parallel to the substrate is substantially vertical to an optical axis of the liquid-crystal layer.
    Type: Application
    Filed: November 3, 2011
    Publication date: February 23, 2012
    Inventors: Kentaro Ojima, Daisuke Kajita, Ikuo Hiyama, Masahiro Ishii
  • Publication number: 20120008076
    Abstract: An active matrix type liquid crystal display device includes first and second substrates, a liquid crystal layer disposed between the first and second substrates, a plurality of pixel regions formed by image signal lines and scan signal lines, and a semiconductor layer, a pixel electrode, a counter electrode formed on the first substrate in a pixel region. The pixel electrode is arranged at level which is lower than a level of the semiconductor layer.
    Type: Application
    Filed: August 10, 2011
    Publication date: January 12, 2012
    Inventors: Masuyuki Ohta, Kazuhiro Ogawa, Keiichiro Ashizawa, Kazuhiko Yanagawa, Masahiro Yanai, Nobutake Konishi, Nobuyuki Suzuki, Masahiro Ishii, Makoto Yoneya, Sukekazu Aratani
  • Patent number: 8077277
    Abstract: A liquid crystal display device comprising a first optical compensating member disposed without a birefringent medium sandwiched between a liquid-crystal layer and the first optical compensating member. The first optical compensating member is constructed so that when a refractive index thereof in a slow-axis direction in a plane parallel to the substrate is taken as n1, a refractive index in a fast-axis direction in the plane parallel to the substrate is taken as n2, and a refractive index in a thickness direction is taken as n3, the first optical compensating member satisfies n1˜n3>n2 and a slow axis thereof in the plane parallel to the substrate is substantially vertical to an optical axis of the liquid-crystal layer.
    Type: Grant
    Filed: June 10, 2008
    Date of Patent: December 13, 2011
    Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Kentaro Ojima, Daisuke Kajita, Ikuo Hiyama, Masahiro Ishii
  • Patent number: 8073358
    Abstract: An image forming device is described according to an aspect comprises: a photoconductive drum; a developing roller opposed to the photoconductive drum; a developer container; a cartridge; a second portion; and a second terminal. The cartridge comprises: a cartridge frame; a memory unit; a first portion disposed at an upstream portion in a vicinity of an upstream end in an attachment direction of the cartridge frame; and a first terminal disposed at at least a part of the first portion and electrically connected to the memory unit. The second terminal is disposed at least a part of the second portion to contact with the first terminal and electrically connected to a controller disposed in the main body. One of the first portion and second portion receives the other of the first portion and second portion.
    Type: Grant
    Filed: September 30, 2010
    Date of Patent: December 6, 2011
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Masahiro Ishii, Fumio Morita
  • Publication number: 20110268467
    Abstract: A developer cartridge according to one aspect of the invention is attachable to a photoconductor unit that comprises a photoconductive drum. The developer cartridge comprises: a developing frame; a developing roller rotatably supported by the developing frame, and pressed to the photoconductive drum in a pressing direction when the developer cartridge is attached to the photoconductor cartridge; a memory unit attached to the developing frame; and a terminal electrically connected to the memory unit and disposed at an outer portion of the developing frame at a position substantially opposite to the developing roller with respect to the pressing direction.
    Type: Application
    Filed: July 13, 2011
    Publication date: November 3, 2011
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Masahiro ISHII, Fumio MORITA
  • Publication number: 20110236039
    Abstract: An image forming apparatus includes: an electrostatic latent image bearing member; a toner cartridge; a developing member; a transfer member; a developing device; and circulating member. The toner cartridge is removably coupled to the developing device. The developing device incorporates the developing member. The circulating member is capable of operating while the toner cartridge remains coupled to the developing device, to circulate the toner between the developing device and the toner cartridge irrespective of whether the developing member is operating.
    Type: Application
    Filed: June 9, 2011
    Publication date: September 29, 2011
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Shougo SATO, Masahiro ISHII, Tsutomu SUZUKI
  • Patent number: 8027005
    Abstract: An active matrix liquid crystal display device includes first and second substrates, a liquid crystal layer disposed between the first and second substrates, and plural image signal lines and scan signal lines formed on the first substrate. Respective pixel regions are formed by adjacent image signal lines and adjacent scan signal lines, and the respective pixel regions have at least one of a semiconductor layer, a pixel electrode, a counter electrode, and a source electrode which has a high-melting-point metal layer and an aluminum layer formed on the high-melting-point metal layer; wherein the high-melting-point layer enables connection of the semiconductor layer and the pixel electrode, and the pixel electrode is formed between the high-melting-point metal layer and the first substrate; and wherein a part of the scan signal lines positioned between the pixel regions and the gate terminal is covered by an ITO layer electrically connected to the counter electrode.
    Type: Grant
    Filed: April 15, 2010
    Date of Patent: September 27, 2011
    Assignee: Hitachi, Ltd.
    Inventors: Masuyuki Ohta, Kazuhiro Ogawa, Keiichiro Ashizawa, Kazuhiko Yanagawa, Masahiro Yanai, Nobutake Konishi, Nobuyuki Suzuki, Masahiro Ishii, Makoto Yoneya, Sukekazu Aratani
  • Patent number: 8005392
    Abstract: A developer cartridge according to one aspect of the invention is attachable to a photoconductor unit that comprises a photoconductive drum. The developer cartridge comprises: a developing frame; a developing roller rotatably supported by the developing frame, and pressed to the photoconductive drum in a pressing direction when the developer cartridge is attached to the photoconductor cartridge; a memory unit attached to the developing frame; and a terminal electrically connected to the memory unit and disposed at an outer portion of the developing frame at a position substantially opposite to the developing roller with respect to the pressing direction.
    Type: Grant
    Filed: February 20, 2008
    Date of Patent: August 23, 2011
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Masahiro Ishii, Fumio Morita
  • Publication number: 20110187953
    Abstract: In a liquid crystal display device, the reduction of power consumption is realized by reddening a backlight while maintaining a white balance. An aperture ratio of a red subpixel and an aperture ratio of a blue subpixel are set such that, in a state where an aperture ratio of a green subpixel in each pixel of a liquid crystal panel is fixed to a desired value, white brightness efficiency takes a maximum value which is set based on a balance between light emission efficiency which is increased corresponding to lowering of a color temperature of the backlight and transmissivity of the pixel which is decreased corresponding to the increase of the aperture ratio of the blue subpixel.
    Type: Application
    Filed: January 28, 2011
    Publication date: August 4, 2011
    Inventors: Ikuo HIYAMA, Kentaro Ojima, Masahiro Ishii, Shisei Katou, Yoshiro Mikami
  • Patent number: 7979006
    Abstract: An image forming apparatus includes: an electrostatic latent image bearing member; a toner cartridge; a developing member; a transfer member; a developing device; and a circulating member. The toner cartridge is removably coupled to the developing device. The developing device incorporates the developing member. The circulating member is capable of operating while the toner cartridge remains coupled to the developing device, to circulate the toner between the developing device and the toner cartridge irrespective of whether the developing member is operating.
    Type: Grant
    Filed: February 28, 2006
    Date of Patent: July 12, 2011
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Shougo Sato, Masahiro Ishii, Tsutomu Suzuki
  • Patent number: 7973882
    Abstract: There is provided a liquid-crystal-layer 15 in which an electrical field is applied in a direction parallel to a first substrate. Respective absorption axes of the first substrate provided with a first polarizing-plate 12 on a light-input side and a second substrate provided with a second polarizing-plate 11 on a light-output side are perpendicular. An optical axis of the liquid-crystal-molecule is parallel to the output polarizing-plate 11 and the absorption axis of the input polarizing-plate 12. A matrix-drive-electrode group is positioned on a side of the liquid-crystal-layer 15 of the first or second substrate. The input and output polarizing-plate are composed of a polarizing layer and a supporting-substrate material. The supporting-substrate material is present on the liquid-crystal-layer side of the polarizing layer. The supporting-substrate material of one of the input or output polarizing-plate is birefringent, and the Nz coefficient being 4 or more.
    Type: Grant
    Filed: October 21, 2008
    Date of Patent: July 5, 2011
    Assignee: Hitachi Displays, Ltd.
    Inventors: Daisuke Kajita, Kentarou Ojima, Ikuo Hiyama, Masahiro Ishii
  • Publication number: 20110161622
    Abstract: A memory access control unit is provided with a storage unit for storing a page table that stores a correspondence between a piece of data, a virtual page number, and a physical page number for all pages, and a conversion unit that includes a buffer for storing, for each of a subset of the pages, the virtual page number and the physical page number in correspondence, and a conversion processing unit operable to convert a virtual address into a physical address in accordance with content stored in the buffer.
    Type: Application
    Filed: April 26, 2010
    Publication date: June 30, 2011
    Inventors: Masaki Maeda, Yorihiko Wakayama, Koji Asai, Masahiro Ishii, Hiroshi Amano, Yoshinobu Hashimoto
  • Publication number: 20110128060
    Abstract: Provided is a delay adjustment device for adjusting delay of a strobe signal, which specifies when to read a data signal on a data line, with respect to the data signal in order to perform data transfer with an external memory. A testing unit 150 included in a delay adjustment unit is provided with a memory bandwidth monitoring unit 212 that monitors memory bandwidth in use on the data line used for data transfer with a memory circuit. The testing unit 150 performs delay adjustment when the memory bandwidth in use is lower than a predetermined threshold. Delay adjustment is performed by delaying the strobe signal from the data signal by a variety of predetermined delays and determining whether data transfer is successful at each delay, calculating an optimal delay, and thereafter delaying the strobe signal by the calculated delay.
    Type: Application
    Filed: May 27, 2010
    Publication date: June 2, 2011
    Inventors: Kouichi Ishino, Takeshi Nakayama, Masahiro Ishii