Patents by Inventor Atsushi Hirota

Atsushi Hirota 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: 8113616
    Abstract: A liquid ejecting apparatus, including: a liquid ejecting head having a plurality of liquid-ejection openings, a liquid channel, and a plurality of actuators; an inflow liquid temperature sensor which detects a temperature of a liquid to be flowed into the liquid channel from an outside; a driver IC which is disposed so as to be thermally connected to the liquid ejecting head, which includes a signal producing circuit configured to produce an ejection signal, a non-ejection signal, and a vibration signal; and a controller including: a storing section configured to store drive data of the plurality of actuators; a first estimating section configured to estimate a first heat amount; a second estimating section configured to estimate a second heat amount; and a signal-producing-circuit controlling section configured to cause the signal producing circuit to produce the ejection signal, the non-ejection signal, and the vibration signal, wherein the signal-producing-circuit controlling section controls the signal p
    Type: Grant
    Filed: July 31, 2009
    Date of Patent: February 14, 2012
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventor: Atsushi Hirota
  • Patent number: 8057025
    Abstract: An inkjet head may include a main-body block, which may include a reservoir configured to store ink, an ink supply port configured to supply the ink to the reservoir, and a plurality of nozzles in fluid communication with the reservoir via an ink flow path. The inkjet head may include a supply valve mechanism attached to the main-body block and configured to selectively set the ink supply port in one of a sealed state and an open state. The inkjet head may further include an attachment unit configured to be removably attached to the main-body block. The attachment unit may include a supply channel configured to supply the ink to the ink supply port. The supply valve mechanism may set the ink supply port in the sealed state when the attachment unit is detached from the main-body block, and set the ink supply port in the open state when the attachment unit is attached to the main-body block.
    Type: Grant
    Filed: March 20, 2009
    Date of Patent: November 15, 2011
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventor: Atsushi Hirota
  • Patent number: 8038259
    Abstract: An ink-jet recording apparatus of one aspect of the invention comprises nozzles are arranged on an ink ejection surface in a matrix in a first direction in which a recording medium is conveyed and a second direction orthogonal to the first direction. The plurality of nozzles are grouped into a plurality of nozzle sets, each of the plurality of nozzle sets includes nozzles arranged along the second direction. The plurality of nozzle sets are spaced from one another in the first direction by first distances, each of the first distances is an integral multiple of a distance that is obtained by multiplying a unit distance by 2n-1. The unit distance corresponds to a highest resolution among first resolutions with respect to the first direction of an image to be formed on the recording medium.
    Type: Grant
    Filed: January 30, 2008
    Date of Patent: October 18, 2011
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Atsuo Sakaida, Atsushi Hirota, Naoto Iwao, Tatsuo Oishi
  • Patent number: 8042134
    Abstract: An information processing apparatus includes: a managing module configured to manage pieces of image information corresponding to types of applications; a determination module configured to determine whether a present time satisfies a preset temporal condition; an image selecting module configured to select first image information corresponding to a type of an activated application, and second image information corresponding to the type of the activated application when the present time satisfies the temporal condition; and a display module configured to generate a first image based on the first image information to be displayed on a display device when the image selecting module selects the first image information. The display module generates a second image based on the second image information to be displayed on the display device in place of the first image when the image selecting module selects the second image information.
    Type: Grant
    Filed: January 28, 2010
    Date of Patent: October 18, 2011
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Atsushi Hirota, Shinich Ooi, Osamu Yoshida, Michihiro Fukushima
  • Patent number: 8025369
    Abstract: An inkjet head comprises a plurality of individual electrodes each of which includes a first part and a second part connected to an end portion B of the first part. The end portion B is one of the end portions of a first part in a longitudinal direction of a pressure chamber. The second part of each of the individual electrodes corresponding to a first pressure chamber line is positioned between two first parts corresponding to two respective pressure chambers neighboring each other in a second pressure chamber line, so that an end portion C of the second part crosses over a line connecting each end portion D of the two first parts.
    Type: Grant
    Filed: March 30, 2009
    Date of Patent: September 27, 2011
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Atsuo Sakaida, Takeshi Asano, Atsushi Hirota
  • Patent number: 8026668
    Abstract: Each of the red, green and blue phosphor layers includes magnesium oxide including a magnesium oxide crystal body having properties of causing a cathode-luminescence emission having a peak within a wavelength range of 200 nm to 300 nm upon excitation by electron beams, as a secondary electron emission.
    Type: Grant
    Filed: January 9, 2008
    Date of Patent: September 27, 2011
    Assignee: Panasonic Corporation
    Inventors: Shunsuke Itakura, Hai Lin, Atsushi Hirota
  • Patent number: 8004294
    Abstract: A method of manufacturing actuators for an inkjet head includes the step of measuring an absolute value of a coercive voltage of an active layer. The method further includes the step of sorting the actuators based at least on the coercive voltage. Each of the actuators includes a first electrode, a second electrode, an active layer positioned between the first electrode and the second electrode, and an inactive layer wherein the second electrode is positioned between the inactive layer and the active layer.
    Type: Grant
    Filed: December 1, 2008
    Date of Patent: August 23, 2011
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventor: Atsushi Hirota
  • Patent number: 7998233
    Abstract: An air cleaner unit for a vehicle includes an air cleaner element and an air cleaner housing to be arranged generally above ring portions of a fan shroud. The air cleaner element is disposed in the air cleaner housing such that a predetermined space is provided between a lower surface of the air cleaner element and an inner surface of a bottom wall of the air cleaner housing. The bottom wall of the air cleaner housing includes at least two arcuate portions to correspond to the ring portions of the fan shroud and a projecting portion between the arcuate portions. The projecting portion projects downwardly and is configured to increase the volume of the predetermined space.
    Type: Grant
    Filed: November 18, 2008
    Date of Patent: August 16, 2011
    Assignee: Denso Corporation
    Inventors: Akihiro Maeda, Shinichi Oda, Atsushi Hirota
  • Patent number: 7990345
    Abstract: A plasma display panel and a drive method therefor, which can enhance a representation capability when displaying a dark image. The plasma display panel includes fluorophor layers containing magnesium oxide. The drive method includes a reset step to initialize all the pixel cells into states of one of a light-up mode and a light-off mode, and an address step in which the pixel cells are caused to perform address discharges selectively in accordance with pixel data, which are successively executed in each of a head subfield and a second subfield within a one-field display period. In reset step, a voltage that sets row electrodes on one side, in the row electrode pairs as an anode and sets the column electrodes set as a cathode is applied between the row electrodes on the one side and the column electrodes.
    Type: Grant
    Filed: September 10, 2007
    Date of Patent: August 2, 2011
    Assignee: Panasonic Corporation
    Inventors: Shunsuke Itakura, Atsushi Hirota, Hai Lin, Tsutomu Tokunaga
  • Publication number: 20110169876
    Abstract: A plasma display panel and a drive method therefor, which can enhance a representation capability when displaying a dark image. The plasma display panel includes fluorophor layers containing magnesium oxide. The drive method includes a reset step to initialize all the pixel cells into states of one of a light-up mode and a light-off mode, and an address step in which the pixel cells are caused to perform address discharges selectively in accordance with pixel data, which are successively executed in each of a head subfield and a second subfield within a one-field display period. In reset step, a voltage that sets row electrodes on one side, in the row electrode pairs as an anode and sets the column electrodes set as a cathode is applied between the row electrodes on the one side and the column electrodes.
    Type: Application
    Filed: February 25, 2011
    Publication date: July 14, 2011
    Applicant: PANASONIC CORPORATION
    Inventors: Shunsuke ITAKURA, Atsushi HIROTA, Hai LIN, Tsutomu TOKUNAGA
  • Publication number: 20110169807
    Abstract: A plasma display panel and a drive method therefor, which can enhance a representation capability when displaying a dark image. The plasma display panel includes fluorophor layers containing magnesium oxide. The drive method includes a reset step to initialize all the pixel cells into states of one of a light-up mode and a light-off mode, and an address step in which the pixel cells are caused to perform address discharges selectively in accordance with pixel data, which are successively executed in each of a head subfield and a second subfield within a one-field display period. In reset step, a voltage that sets row electrodes on one side, in the row electrode pairs as an anode and sets the column electrodes set as a cathode is applied between the row electrodes on the one side and the column electrodes.
    Type: Application
    Filed: February 25, 2011
    Publication date: July 14, 2011
    Applicant: PANASONIC CORPORATION
    Inventors: Shunsuke ITAKURA, Atsushi HIROTA, Hai LIN, Tsutomu TOKUNAGA
  • Publication number: 20110169875
    Abstract: A plasma display panel and a drive method therefor, which can enhance a representation capability when displaying a dark image. The plasma display panel includes fluorophor layers containing magnesium oxide. The drive method includes a reset step to initialize all the pixel cells into states of one of a light-up mode and a light-off mode, and an address step in which the pixel cells are caused to perform address discharges selectively in accordance with pixel data, which are successively executed in each of a head subfield and a second subfield within a one-field display period. In reset step, a voltage that sets row electrodes on one side, in the row electrode pairs as an anode and sets the column electrodes set as a cathode is applied between the row electrodes on the one side and the column electrodes.
    Type: Application
    Filed: February 25, 2011
    Publication date: July 14, 2011
    Applicant: PANASONIC CORPORATION
    Inventors: Shunsuke ITAKURA, Atsushi HIROTA, Hai LIN, Tsutomu TOKUNAGA
  • Patent number: 7915453
    Abstract: Disclosed is a process for producing a tertiary amine from a primary or secondary amine and alcohol as corresponding starting materials, which includes step (i) of dehydrogenating an alcohol to obtain an aldehyde, step (ii) of reacting the aldehyde with a primary or secondary amine to obtain a primary or secondary amine adduct, and step (iii) of hydrogenating the primary or secondary amine adduct to obtain a tertiary amine, wherein step (ii) is carried out independently of the other steps.
    Type: Grant
    Filed: December 26, 2006
    Date of Patent: March 29, 2011
    Assignee: Kao Corporation
    Inventors: Shoji Hasegawa, Toru Nishimura, Atsushi Hirota
  • Patent number: 7907229
    Abstract: A main liquid crystal display panel is attached to a frame, and a sub liquid crystal display panel is attached to a bezel. The frame and the bezel are assembled to each other so that the main liquid crystal display panel and the sub liquid crystal display panel are arranged and held so as to face opposite sides. The frame and the bezel are separated from each other, whereby each of the liquid crystal display panels and can be easily separated at every part of the frame and the bezel.
    Type: Grant
    Filed: January 5, 2007
    Date of Patent: March 15, 2011
    Assignee: Toshiba Matsushita Display Technology Co., Ltd.
    Inventors: Shunichiro Hayashi, Atsushi Hirota
  • Patent number: 7900355
    Abstract: A head main body includes a passage unit having nozzles and pressure chambers, and an actuator unit adhered to the passage unit to change the volume of the pressure chambers. On a piezoelectric sheet of the actuator unit, formed are not only individual electrodes corresponding to the respective pressure chambers, but also a land and a dummy land in a pair corresponding to each of the individual electrodes. The land is connected to the individual electrode, and the dummy land is spaced from the individual electrode. The land and the dummy land have substantially the same height from a surface of the piezoelectric sheet, which is higher than that of the individual electrodes. The individual electrodes are connected, through the land, to a cable member to supply a drive signal to the actuator unit.
    Type: Grant
    Filed: September 20, 2006
    Date of Patent: March 8, 2011
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventor: Atsushi Hirota
  • Patent number: 7901059
    Abstract: An inkjet head comprises a plurality of individual electrodes each of which includes a first part and a second part connected to an end portion B of the first part. The end portion B is one of the end portions of a first part in a longitudinal direction of a pressure chamber. The second part of each of the individual electrodes corresponding to a first pressure chamber line is positioned between two first parts corresponding to two respective pressure chambers neighboring each other in a second pressure chamber line, so that an end portion C of the second part crosses over a line connecting each end portion D of the two first parts.
    Type: Grant
    Filed: March 30, 2009
    Date of Patent: March 8, 2011
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Atsuo Sakaida, Takeshi Asano, Atsushi Hirota
  • Patent number: 7891781
    Abstract: An ink-jet head having a passage unit including pressure chambers each having one end coupled to a nozzle and the other end to be coupled to an ink supply source. The pressure chambers are arranged along a plane to neighbor each other. The ink-jet head further includes actuator units attached to a surface of the passage unit for changing the volume of each pressure chamber. Each actuator unit includes pressure generation portions respectively corresponding to pressure chambers, and is formed to extend over the pressure chambers. The actuator units are arranged along the longitudinal direction of the passage unit so that each neighboring actuator units partially overlap each other in the lateral direction of the passage unit.
    Type: Grant
    Filed: May 10, 2005
    Date of Patent: February 22, 2011
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Atsuo Sakaida, Takeshi Asano, Atsushi Hirota
  • Publication number: 20100305363
    Abstract: A reaction apparatus which is used for conducting a gas-liquid chemical reaction in a state that a liquid is in a continuous phase, wherein its reactor has therein a shear type stirring impeller for dispersing a raw reaction gas or a carrier gas and a film-formed catalyst, which apparatus is capable of producing a target reaction product; and a process for producing a tertiary amine in such reaction apparatus.
    Type: Application
    Filed: August 9, 2010
    Publication date: December 2, 2010
    Applicant: Kao Corporation
    Inventors: Atsushi HIROTA, Toru Nishimura
  • Publication number: 20100298608
    Abstract: Disclosed is a process for producing a tertiary amine from a primary or secondary amine and alcohol as corresponding starting materials, which includes step (i) of dehydrogenating an alcohol to obtain an aldehyde, step (ii) of reacting the aldehyde with a primary or secondary amine to obtain a primary or secondary amine adduct, and step (iii) of hydrogenating the primary or secondary amine adduct to obtain a tertiary amine, wherein step (ii) is carried out independently of the other steps.
    Type: Application
    Filed: December 26, 2006
    Publication date: November 25, 2010
    Applicant: KAO CORPORATION
    Inventors: Shoji Hasegawa, Toru Nishimura, Atsushi Hirota
  • Patent number: 7815293
    Abstract: An ink-jet head, including: a flow-passage unit having a laminated structure with a plurality of plates and including a plurality of nozzles, a common ink chamber, and a plurality of individual ink flow-passages each of which communicates the common ink chamber with a corresponding one of the plurality of nozzles and in each of which a pressure chamber having an opening open in a surface of the flow-passage unit is provided; and an actuator fixed to the surface of the flow-passage unit so as to close the opening of the pressure chamber and operable to change a volume thereof, wherein the plurality of plates include an outermost plate nearest to the actuator and at least one plate contiguous to the outermost plate, wherein the pressure chamber is formed by a plurality of pressure-chamber-forming holes respectively provided in the outermost plate and the at least one plate so as to communicate with each other, and wherein the outermost plate has a smallest thickness among the plurality of plates.
    Type: Grant
    Filed: August 8, 2007
    Date of Patent: October 19, 2010
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventor: Atsushi Hirota