Patents by Inventor Takanori Yamashita

Takanori Yamashita 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: 20150062669
    Abstract: Provided is a light source for exposure including: a circuit section which includes plural pixel circuits arranged in one direction, a scanning circuit which outputs a scanning signal, a scanning line which supplies the pixel circuits with the scanning signal; light-emitting elements connected to the pixel circuits; and data lines which supply a lead wire with a data signal via the pixel circuits, wherein a data line group including the plural data lines, a light-emitting element group including the plural light-emitting elements, and the circuit section are arranged in this order in a direction perpendicular to a direction in which the plural pixel circuits are arranged.
    Type: Application
    Filed: August 29, 2014
    Publication date: March 5, 2015
    Inventors: Kouji Ikeda, Takanori Yamashita, Masami Iseki
  • Publication number: 20140374890
    Abstract: In an SOP1 having a semiconductor chip and another semiconductor chip, in wire coupling between the chips, a withstand voltage can be secured by setting an inter-wire distance between a wire in a first wire group that is closest to a second wire group and a wire in the second wire group that is closest to the first wire group to be larger than an inter-wire distance between any wires in the first wire group and the second wire group, which makes it possible to attain improvement of reliability of the SOP1.
    Type: Application
    Filed: June 15, 2014
    Publication date: December 25, 2014
    Inventors: Takanori Yamashita, Toshinori Kiyohara
  • Patent number: 8847934
    Abstract: A displaying apparatus having a finer-pitch circuit constitution is provided without deteriorating a displaying quality and increasing each pixel size. In the displaying apparatus which can suppress a characteristic variation of a driving transistor included in each pixel circuit by using a control circuit, the control circuit is arranged on an outer side of a region in which the plurality of pixel circuits are arranged, and there are a second capacitor in which an input data signal is supplied to one end thereof, a first voltage follower circuit of which an input is connected to the other end of the second capacitor and of which an output is connectable to a data line, and a second voltage follower circuit of which an input is connected to the data line and of which an output is connectable to the other end of the second capacitor.
    Type: Grant
    Filed: December 10, 2012
    Date of Patent: September 30, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takanori Yamashita, Masami Iseki, Fujio Kawano, Tatsuhito Goden
  • Publication number: 20140268239
    Abstract: A light emitting apparatus including: a plurality of light emitting elements; a drive circuit including a transistor and a capacitor having one end connected to a gate of the transistor; and a signal supply circuit for receiving a digital gradation signal and outputting an analog voltage signal to the drive circuit, including a computation circuit configured to correct the input digital gradation signal to generate a corrected digital gradation signal, in which the drive circuit is configured to conduct an auto-zero operation which reduce the gate-source voltage of the transistor to a threshold voltage by flowing the drain current to the capacitor, and the computation circuit is configured to generate the corrected digital gradation signal by multiplying a correction coefficient to the input digital gradation signal subtracted by a particular signal common to the plurality of light emitting elements.
    Type: Application
    Filed: March 10, 2014
    Publication date: September 18, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Takanori Yamashita, Masami Iseki, Kouji Ikeda, Shuhei Takahashi
  • Publication number: 20140078233
    Abstract: A light emitting apparatus includes a light emitting element, a driving circuit which has a driving transistor having a gate, a drain, and a source, and a capacitor having one end connected to the gate, a power line, and first and second voltage lines, and, in a period in which the gate and the drain are short-circuited and the drain and the light emitting element are blocked, the source is connected to the first voltage line and the other end of the capacitor is connected to the second voltage line to hold a voltage in the capacitor, and, in a period in which the gate and the drain are disconnected and the drain and the light emitting element are connected, the source is connected to the power line, and the other end of the capacitor is connected to the source to supply a current to the light emitting element.
    Type: Application
    Filed: September 18, 2013
    Publication date: March 20, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Takanori Yamashita, Masami Iseki, Tsuyoshi Yabukane
  • Patent number: 8653541
    Abstract: A semiconductor device including a plurality of circuits that includes a transistor, where a semiconductor layer forming the transistor includes a first contact pad, a first part that is connected to the first contact pad and that extends in a direction intersecting a short direction of a pitch with which the circuits are arranged, a second part that extends from the first part in the short direction, and a second contact pad including the first part and the second part that are provided between the first contact pad and the second contact pad, where the second part overlaps an electrode layer across an insulating layer.
    Type: Grant
    Filed: April 19, 2010
    Date of Patent: February 18, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kouji Ikeda, Takanori Yamashita, Masami Iseki
  • Publication number: 20130234918
    Abstract: A display apparatus includes: a plurality of pixel circuits 6; a reference voltage source for supplying a reference voltage to a reference voltage line 4; a first switch for connecting the reference voltage source to the reference voltage line 4; a data line 5 for supplying a data voltage to the pixel circuit, wherein the pixel circuit 6 includes a light emitting element, a driving transistor M1 having a source connected to an anode of the light emitting element, a holding capacitor CS having one end connected to a gate of the driving transistor M1 and having the other end connected to the source of the driving transistor M1, a second switch for connecting the gate of the driving transistor M1 to the data line 5, and a third switch for connecting the source of the driving transistor M1 to the reference voltage line 4.
    Type: Application
    Filed: February 14, 2013
    Publication date: September 12, 2013
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Takanori Yamashita, Masami Iseki, Tatsuhito Goden
  • Patent number: 8436841
    Abstract: A display apparatus includes data lines, scanning lines arranged to cross the data lines, and pixel circuits aligning along the data lines and the scanning lines, such that one of the pixel circuits corresponds to each intersection between the data lines and the scanning lines. In addition, image signal lines transmit image signals, and switches connect the data lines to the image signal lines so that each of the data lines is connected to one of the image signal lines. The data lines are arranged such that adjacent data lines form a pair of data lines, and adjacent pairs of data lines are spaced apart from each other by two columns of pixel-circuits. Respective data lines of the pair of data lines are connected by the switches to two different image signal lines, and the switches connecting the pair of data lines to corresponding image signal lines are activated simultaneously.
    Type: Grant
    Filed: November 16, 2009
    Date of Patent: May 7, 2013
    Assignees: Canon Kabushiki Kaisha, Hitachi Displays, Ltd.
    Inventors: Hiroyuki Maru, Masami Iseki, Fujio Kawano, Tatsuhito Goden, Takanori Yamashita, Kouji Ikeda, Takeshi Izumida, Hiroshi Kageyama
  • Patent number: 8432380
    Abstract: A display apparatus includes a plurality of luminescent devices aligned periodically in a row direction and in a column direction, a plurality of pixel circuits aligned periodically in a row direction and in a column direction for supplying an electric current to each of the luminescent devices, a plurality of data lines each connected commonly to the pixel circuits aligned periodically in the column direction for supplying signal currents to these pixel circuits, and a plurality of column-current generating circuits connected to the plurality of data lines respectively for supplying signal currents to corresponding data lines. Each of the column-current generating circuits have a plurality of transistor devices arranged in a distributed manner and including main electrodes respectively connected in parallel and control electrodes commonly connected.
    Type: Grant
    Filed: June 29, 2007
    Date of Patent: April 30, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventors: Somei Kawasaki, Takanori Yamashita
  • Publication number: 20120258353
    Abstract: A polymer battery module packaging sheet includes, as essential components, a base layer (61), an aluminum layer (62), chemical conversion coatings (64a, 64b) coating the opposite surfaces of the aluminum layer (62), and an innermost layer (63). The chemical conversion coatings (64a, 64b) are formed by processing the opposite surfaces of the aluminum layer (62) by a phosphate treatment method. The base layer (61) and the innermost layer (63) are bonded to the chemical conversion coatings (64a, 64b) of the aluminum layer (62) with adhesive layers (65a, 65b), respectively.
    Type: Application
    Filed: June 13, 2012
    Publication date: October 11, 2012
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Takanori YAMASHITA, Masataka OKUSHITA, Kazuki YAMADA, Rikiya YAMASHITA, Hiroshi MIYAMA, Youichi MOCHIZUKI
  • Publication number: 20120186071
    Abstract: Disclosed is a method for manufacturing an electrochemical cell, wherein an insulation failure product can be accurately rejected, and an electrochemical cell can be used again after the insulation failure inspection. In the method for manufacturing the electrochemical cell (1), which is configured by hermetically housing an electrochemical cell main body (20) such that the leading end of a metal terminal (21) protrudes to the outside of the outer housing (10), an impulse voltage is applied between the metal terminal (21) and a metal foil layer (12), the waveform of the voltage applied to the capacitance between the metal terminal (21) and the metal foil layer (12) is measured, and the insulation failure inspection step is performed.
    Type: Application
    Filed: September 29, 2010
    Publication date: July 26, 2012
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Takanori Yamashita, Hirohisa Akita, Noboru Akiyama, Masataka Okushita
  • Patent number: 8211568
    Abstract: In a packaging material for electrochemical cell, a thermally adhesive resin layer is configured of a resin having a propylene based elastomer resin in a propylene based resin. This propylene based elastomer resin is a copolymer composed of a constitutional unit derived from propylene and a constitutional unit derived from an ?-olefin having from 2 to 20 carbon atoms; when the total sum of the constitutional unit derived from propylene and the constitutional unit derived from an ?-olefin is defined as 100% by mole, contains 50% by mole or more of the constitutional unit derived from propylene; and is satisfied with (a) a Shore A hardness (ASTM D2240) of from 65 to 90, (b) a melting point of from 130 to 170° C., (c) a density (ASTM D1505) of from 860 to 875 kg/m3 and (d) a glass transition temperature as measured by DSC of from ?25° C. to ?35° C.
    Type: Grant
    Filed: March 28, 2008
    Date of Patent: July 3, 2012
    Assignees: Dai Nippon Printing Co., Ltd., Mitsui Chemicals, Inc.
    Inventors: Takanori Yamashita, Masataka Okushita, Hirohisa Akita, Hiroshi Hoya
  • Publication number: 20120133683
    Abstract: An organic EL display apparatus includes a plurality of pixels, organic EL devices, a data line driver, a pixel circuit, and a gate line driver. Each pixel has three or more organic EL device groups, each organic EL device group consisting of two organic EL devices emitting light of the same color; and emits light of three or more colors. The two organic EL devices are a first organic EL device having a light condensing element arranged on the light emitting surface side and a second organic EL device not having a light condensing element arranged on the light emitting surface side. Each pixel has a luminance difference forming unit for varying the luminance ratio of each color in the first organic EL device and the luminance ratio of each color in the second organic EL device.
    Type: Application
    Filed: November 18, 2011
    Publication date: May 31, 2012
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Tatsuhito Goden, Fujio Kawano, Noriyuki Shikina, Kiyofumi Sakaguchi, Masami Iseki, Takanori Yamashita, Kouji Ikeda
  • Publication number: 20120127064
    Abstract: Provided is a display apparatus that can select either an “outdoor visibility mode” or a “wide viewing angle mode” or either a “power saving mode” or a “wide viewing angle mode” depending on a user scene; that can also select intermediate states between the two modes; and provide high displayed image quality. An organic electroluminescent display apparatus of the present invention includes a plurality of pixels, an organic electroluminescent element, a data line driver, a pixel circuit, and a gate line driver, in which each pixel includes two organic electroluminescent elements that emit light of the same color, an element with high light-collecting property is disposed over a light emission side of only one of the two organic electroluminescent elements, and units that make a difference in lighting times or drive currents between the two organic electroluminescent elements are included.
    Type: Application
    Filed: November 1, 2011
    Publication date: May 24, 2012
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Fujio Kawano, Tatsuhito Goden, Noriyuki Shikina, Kiyofumi Sakaguchi, Takanori Yamashita, Kouji Ikeda
  • Publication number: 20120034477
    Abstract: A polymer battery module packaging sheet includes, as essential components, a base layer (61), an aluminum layer (62), chemical conversion coatings (64a, 64b) coating the opposite surfaces of the aluminum layer (62), and an innermost layer (63). The chemical conversion coatings (64a, 64b) are formed by processing the opposite surfaces of the aluminum layer (62) by a phosphate treatment method. The base layer (61) and the innermost layer (63) are bonded to the chemical conversion coatings (64a, 64b) of the aluminum layer (62) with adhesive layers (65a, 65b), respectively.
    Type: Application
    Filed: October 18, 2011
    Publication date: February 9, 2012
    Applicant: Dai Nippon Printing Co., Ltd.
    Inventors: Takanori YAMASHITA, Masataka Okushita, Kazuki Yamada, Rikiya Yamashita, Hiroshi Miyama, Youichi Mochizuki
  • Patent number: 8067113
    Abstract: A polymer battery module packaging sheet includes, as essential components, a base layer (61), an aluminum layer (62), chemical conversion coatings (64a, 64b) coating the opposite surfaces of the aluminum layer (62), and an innermost layer (63). The chemical conversion coatings (64a, 64b) are formed by processing the opposite surfaces of the aluminum layer (62) by a phosphate treatment method. The base layer (61) and the innermost layer (63) are bonded to the chemical conversion coatings (64a, 64b) of the aluminum layer (62) with adhesive layers (65a, 65b), respectively.
    Type: Grant
    Filed: March 20, 2006
    Date of Patent: November 29, 2011
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Takanori Yamashita, Masataka Okushita, Kazuki Yamada, Rikiya Yamashita, Hiroshi Miyama, Youichi Mochizuki
  • Publication number: 20110205210
    Abstract: In a display apparatus, after sampling switches turn on and a voltage signal to be held in a driving circuit is transmitted to a plurality of data lines and subsequently the sampling switches turn off, a selected scanning line supplies a control signal to the driving circuits along the selected scanning line, thereby causing the driving circuits to hold the voltage signal, and the plurality of scanning lines supply a control signal to the driving circuits simultaneously, and thereafter the sampling switches turn on and the voltage signal which is to cause the driving circuit to drive the display element is transmitted to the data lines thereby causing the driving circuits along the plurality of scanning lines to drive the display element simultaneously.
    Type: Application
    Filed: February 18, 2011
    Publication date: August 25, 2011
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Takanori Yamashita, Tatsuhito Goden
  • Patent number: 7969392
    Abstract: A matrix type display apparatus includes a pixel circuit unit including electroluminescent elements and pixel circuits driving the electroluminescent elements arranged in a matrix, a plurality of data lines, each corresponding to a column of the pixel circuits for supplying a data current to the pixel circuits, and predetermined current setting circuits for supplying to the data lines a predetermined current for reducing a current to be supplied to the data lines, according to a setting by a reference current unrelated to a displaying, at a time of black displaying of the electroluminescent elements. In addition, switches are arranged corresponding to each of the data lines between the pixel circuits and the predetermined current setting circuits, and a row scanning circuit controls on and off of the switches.
    Type: Grant
    Filed: November 22, 2005
    Date of Patent: June 28, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takanori Yamashita, Masami Iseki, Fujio Kawano
  • Patent number: 7939998
    Abstract: A display apparatus includes a first wiring disposed on one side of a periphery of a display part, a second wiring connecting a terminal to the first wiring, and a third wiring disposed in the display part. The third wiring extends between the one side where the terminal is located and an opposite side. The third wiring is connected to the first wiring. The first, second, and third wirings have resistances per unit length, R1, R2, and R3, respectively, which are set such that R2<R1<R3.
    Type: Grant
    Filed: May 13, 2009
    Date of Patent: May 10, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takanori Yamashita, Masami Iseki, Tatsuhito Goden
  • Patent number: 7903053
    Abstract: A matrix display apparatus includes a plurality of current-driven display devices arranged along row and column directions, a first circuit provided for each of the display devices, a plurality of data lines arranged for each column, with the data lines supplying an image data signal to a plurality of pixel circuits included in each one of the columns, and a plurality of row scanning lines for transmitting a scanning signal for selecting row by row the plurality of pixel circuits. The first circuit includes a field effect transistor for supplying one of the display devices with a current, which has a control electrode and two principal electrodes, a first switch connecting the control electrode and one of the principal electrodes of the field effect transistor, and a second switch having one terminal connected to the one of the principal electrodes of the field effect transistor and having another terminal connected to one of the data lines along the column of the first circuit.
    Type: Grant
    Filed: December 1, 2005
    Date of Patent: March 8, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventors: Somei Kawasaki, Masami Iseki, Fujio Kawano, Takanori Yamashita