Patents by Inventor Keiichi Nomura

Keiichi Nomura 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: 20120145905
    Abstract: A method for manufacturing a radiation detection apparatus is provided. The method comprising: forming a set of columnar crystals capable of converting radiation into visible light on a base; forming a supporting layer that supports the set of columnar crystals; separating the set of columnar crystals supported by the supporting layer from the base; preparing a sensor panel having a photoelectric conversion unit; and adhering a surface of the set of columnar crystals, that surface having been in contact with the base, to the sensor panel using an adhesive material, such that the set of columnar crystals covers the photoelectric conversion unit.
    Type: Application
    Filed: October 31, 2011
    Publication date: June 14, 2012
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Keiichi Nomura, Satoshi Okada, Kazumi Nagano, Yohei Ishida, Tomoaki Ichimura, Yoshito Sasaki
  • Publication number: 20120134241
    Abstract: A time-information obtaining apparatus is provided with an input waveform data pattern generating unit for sampling a received standard-time radio wave signal to generate an input waveform data pattern, an internal time counting unit for generate a base time, a calculation-waveform data pattern generating unit for generating plural calculation-waveform data patterns based on the base time, an invalid-bit detecting unit for detecting in the plural calculation-waveform data patterns, invalid bits not to be compared with the input waveform data pattern, an error counting unit for comparing the sample values of valid bits of the plural calculation-waveform data patterns with the invalid bits removed and the corresponding sample values of the input waveform data pattern to detect discrepancies between them, and a present-time correcting unit for correcting the base time based on the calculation-waveform data pattern having the smallest number of errors.
    Type: Application
    Filed: November 16, 2011
    Publication date: May 31, 2012
    Applicant: CASIO COMPUTER CO., LTD.
    Inventors: Keiichi Nomura, Hideo Abe
  • Patent number: 8154641
    Abstract: A solid-state image pickup device according to the present invention has a plurality of photoelectric conversion elements and a plurality of switching elements. The photoelectric conversion element is formed above at least one switching element, and a shielding electrode layer is disposed between the switching elements and the photoelectric conversion elements. Further, a radiation image pickup device according to the present invention has a radiation conversion layer for directly converting radiation into electric charges, and a plurality of switching elements, and has the radiation conversion layer formed above one or more switching elements, and a shielding electrode layer disposed between the switching elements and the radiation conversion layer.
    Type: Grant
    Filed: October 3, 2008
    Date of Patent: April 10, 2012
    Assignee: Canon Kabushiki Kaisha
    Inventors: Keiichi Nomura, Masakazu Morishita, Chiori Mochizuki, Minoru Watanabe, Takamasa Ishii
  • Patent number: 8115177
    Abstract: A radiation detection apparatus has a sensor panel including a photoelectric conversion unit with a plurality of photoelectric conversion elements over a substrate, a wavelength converter, disposed over the photoelectric conversion unit of the sensor panel, for converting a radiation into light detectable by the photoelectric conversion element, a plane shaped light emitting body for emitting light to the photoelectric conversion unit of the sensor panel, disposed over the wavelength converter, and a protective layer disposed on the plane shaped light emitting body.
    Type: Grant
    Filed: January 19, 2007
    Date of Patent: February 14, 2012
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shinichi Takeda, Yoshihiro Ogawa, Satoshi Okada, Masato Inoue, Kazumi Nagano, Keiichi Nomura, Satoru Sawada
  • Publication number: 20110309258
    Abstract: A radiation detection apparatus comprising: a sensor panel including a photoelectric conversion region and an electrically conductive pattern that is electrically connected to the photoelectric conversion region; a scintillator layer disposed over the photoelectric conversion region of the sensor panel; a wiring member including a portion overlapping with the electrically conductive pattern and electrically connected to the electrically conductive pattern and; and a protective film covering the scintillator layer and the portion of the wiring member that overlaps with the electrically conductive pattern is provided. A region of the protective film that covers the wiring member includes a portion that is press-bonded to the sensor panel.
    Type: Application
    Filed: May 16, 2011
    Publication date: December 22, 2011
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Yohei Ishida, Satoshi Okada, Kazumi Nagano, Keiichi Nomura, Yoshito Sasaki
  • Publication number: 20110291018
    Abstract: A radiation detection apparatus including: a sensor panel having a first face on which a pixel region is formed and a second face that is opposite the first face and including a connecting portion at one or more sides; a scintillator layer formed over the pixel region; and a protective film covering the scintillator layer and a portion of the sensor panel is provided. The protective film has a hot-pressed part. At the side of the sensor panel where the connecting portion is formed, the hot-pressed part is formed in a portion of the protective film covering the first face. At other sides of the sensor panel, the hot-pressed part is formed in at least one of a portion of the protective film covering a lateral face of the sensor panel and the second face.
    Type: Application
    Filed: April 21, 2011
    Publication date: December 1, 2011
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Kazumi Nagano, Satoshi Okada, Keiichi Nomura, Yohei Ishida, Yoshito Sasaki
  • Publication number: 20110198505
    Abstract: A radiation detector includes a sensor panel including a photodetector and peripheral circuitry, the photodetector includes a two-dimensional array of photoelectric conversion elements arranged on a substrate, the peripheral circuitry is electrically connected to the photoelectric conversion elements and is disposed on the periphery of the photodetector; a scintillator layer is disposed on the photodetector of the sensor panel, the scintillator layer converts radiation into light that is detectable by the photoelectric conversion elements; a scintillator protection member covers the scintillator layer; and a sealing resin seals the scintillator layer, the sealing resin is disposed between the sensor panel and the scintillator protection member on the periphery of the scintillator layer; the sealing resin is disposed on top of the peripheral circuitry; and particles containing a radiation-absorbing material are dispersed in the sealing resin.
    Type: Application
    Filed: February 11, 2011
    Publication date: August 18, 2011
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Yohei Ishida, Satoshi Okada, Kazumi Nagano, Keiichi Nomura, Yoshito Sasaki
  • Publication number: 20110155917
    Abstract: A scintillator panel includes a substrate and a scintillator layer. The substrate includes a first plate having a surface provided with irregularities, and a flat second plate fixed to the first plate in a confronting relation to the irregularities of the first plate. The scintillator layer is disposed on a surface of the second plate on the side oppositely away from the first plate.
    Type: Application
    Filed: December 21, 2010
    Publication date: June 30, 2011
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Keiichi Nomura, Satoshi Okada, Kazumi Nagano, Yohei Ishida
  • Publication number: 20110147602
    Abstract: A radiographic imaging apparatus includes a sensor panel having an effective pixel region and a peripheral region surrounding the effective pixel region; a scintillator layer disposed on the effective pixel region and the peripheral region of the sensor panel; and a scintillator protecting layer disposed on the scintillator layer. The scintillator layer includes a plurality of columnar crystals disposed on the effective pixel region, a plurality of columnar crystals disposed on the peripheral region, and a resin disposed between the plurality of the columnar crystals on the peripheral region and surrounding the plurality of the columnar crystals on the effective pixel region. The plurality of the columnar crystals on the effective pixel region is enclosed by the sensor panel, the scintillator layer, and the resin.
    Type: Application
    Filed: December 15, 2010
    Publication date: June 23, 2011
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Yohei Ishida, Satoshi Okada, Kazumi Nagano, Masato Inoue, Shinichi Takeda, Keiichi Nomura, Satoru Sawada
  • Patent number: 7952058
    Abstract: A radiation detection apparatus to detect radiation. A substrate (1) has a conversion element on a first surface. The conversion element is configured to convert radiation into electric charges. A readout circuit is connected to a first region. The first region includes a first edge of the first surface. A driving circuit is connected to a second region other than the first region. The second region includes a second edge of the first surface. A light source (4) is arranged on a second surface side which faces the first surface. The light source (4) is arranged so as to face any regions of the second surface side except the first region.
    Type: Grant
    Filed: December 19, 2006
    Date of Patent: May 31, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventors: Keiichi Nomura, Yoshihiro Ogawa, Satoshi Okada, Masato Inoue, Shinichi Takeda, Kazumi Nagano, Satoru Sawada
  • Patent number: 7923695
    Abstract: Sensitivity is freely changeable to another one in correspondence to a photographing mode, and both still image photographing and moving image photographing for example which are largely different from each other in dosage of exposure to radiation and which are also different from each other in required sensitivity are carried out so as to meet that request. A source or drain electrode of a TFT 21 is connected to a signal output circuit 3 through a signal line 14a and an IC 5. A source/drain of a TFT 23 is connected to the signal output circuit 3 through a signal line 14b and the IC 5. Thus, in each pixel 6, any one of the signal lines 14a and 14b is freely selectable when a signal is read out.
    Type: Grant
    Filed: January 7, 2009
    Date of Patent: April 12, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takamasa Ishii, Masakazu Morishita, Chiori Mochizuki, Minoru Watanabe, Keiichi Nomura
  • Publication number: 20110075522
    Abstract: A time information-acquiring apparatus comprises an input waveform generator which generates an input waveform, a predicted waveform generator which generates plural phase-shifted predicted waveforms, a correlation calculator which calculates a positive correlation based on a first value of the input waveform and a first value of the predicted waveform or a second value of the input waveform and a second value of the predicted waveform, and calculates a negative correlation based on the first value of the input waveform and the second value of the predicted waveform or the second value of the input waveform and the first value of the predicted waveform, a comparator which compares the correlation values to detect an optimal value, and a controller which detects a head position of a second based on a predicted waveform related to the optimal value.
    Type: Application
    Filed: September 23, 2010
    Publication date: March 31, 2011
    Applicant: CASIO COMPUTER CO., LTD.
    Inventors: Hideo Abe, Keiichi Nomura
  • Publication number: 20110075523
    Abstract: A time information-acquiring apparatus comprises a receiver receiving a standard time radio wave, an input waveform generator sampling a signal output from the receiver and to generating input waveform data with one or more unit time lengths, the input waveform data at each sampling point having a first value indicating a low level or a second value, the input waveform data within a first characteristic section having a predetermined value unique to codes forming a time code included in the standard time radio wave, an accumulator accumulating the value of the input waveform data during the first characteristic section, a calculator multiplying the accumulated value by characteristic values, and calculating correlation values between the input waveform data and the codes based on multiplied values.
    Type: Application
    Filed: September 28, 2010
    Publication date: March 31, 2011
    Applicant: CASIO COMPUTER CO., LTD.
    Inventors: Hideo Abe, Keiichi Nomura
  • Publication number: 20110073750
    Abstract: An image pickup apparatus includes an insulating substrate, and a plurality of pixels each including a conversion element configured to convert incident light or radiation into a charge and also including a switch element configured to transfer an electric signal corresponding to the charge generated by the conversion element. Gate wiring is configured to drive the switch element to transfer the electric signal through signal wiring. The plurality of pixels, the signal wiring, and the gate wiring are disposed on one surface of the insulating substrate. The insulating substrate has vias that provide electrical connections between the one surface and an opposite surface of the insulating substrate.
    Type: Application
    Filed: September 16, 2010
    Publication date: March 31, 2011
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Kazumi Nagano, Satoshi Okada, Masato Inoue, Shinichi Takeda, Keiichi Nomura, Satoru Sawada, Yohei Ishida, Akiya Nakayama
  • Patent number: 7893405
    Abstract: A radiation detection apparatus includes an optical detector disposed on a substrate and having a plurality of photoelectric conversion elements which convert light into an electrical signal, and a scintillator layer disposed on the optical detector and having a columnar crystal structure which converts radiation into light, wherein the concentration of an activator of the scintillator layer is higher at the radiation-incident side opposite the optical detector and is lower at the optical detector side. The scintillator panel includes the substrate and the scintillator layer disposed on the substrate, wherein the concentration of the activator of the scintillator layer is higher at the radiation-incident side and is lower at the light-emission side.
    Type: Grant
    Filed: April 17, 2009
    Date of Patent: February 22, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazumi Nagano, Yoshihiro Ogawa, Satoshi Okada, Keiichi Nomura
  • Patent number: 7858947
    Abstract: To improve a sensor resetting method and thereby implement a high rate at which a moving image is read, the invention provides an image pickup apparatus and a radiation image pickup apparatus including: a plurality of pixels arranged on a substrate in row and column directions, each pixel having a conversion element and a transfer switching element; a drive wiring connected to a plurality of the transfer switching elements in the row direction; and a conversion element wiring connected to a plurality of the conversion elements in the row direction, wherein a reset switching element is disposed between the conversion element wiring and a reset wiring for supplying a reset voltage for resetting the conversion element, and a bias switching element is disposed between the conversion element wiring and a bias wiring for supplying a bias voltage for operating the conversion element.
    Type: Grant
    Filed: May 29, 2009
    Date of Patent: December 28, 2010
    Assignee: Canon Kabushiki Kaisha
    Inventors: Chiori Mochizuki, Masakazu Morishita, Keiichi Nomura, Minoru Watanabe, Takamasa Ishii
  • Patent number: 7848180
    Abstract: The antenna circuit 42 includes: an MI magnetic sensor having an electric property which changes in accordance with a magnetic field change; a radio-frequency signal generator S1 to apply a radio-frequency signal to the MI magnetic sensor Z1; an inverter 92 to invert the radio-frequency signal; an adder 94 to reduce the radio-frequency signal by adding the inverted signal with a received signal obtained by the MI magnetic sensor Z1; and detectors D1 and D2 to detect the received signal in which the radio-frequency signal has been reduced. Further, included are a resonant circuit 620 including a magnetic sensor circuit Z1 and a resonant element such as quartz to retrieve a magnetic field change of a resonant frequency from a detected magnetic field change; and a resistance R0. Further, the magnetic sensor circuit 610 includes a magnetoresistance element 612, a DC power source 611 and a resistance R1.
    Type: Grant
    Filed: October 25, 2006
    Date of Patent: December 7, 2010
    Assignee: Casio Computer Co., Ltd.
    Inventors: Kaoru Someya, Keiichi Nomura
  • Patent number: 7812317
    Abstract: A radiation detecting apparatus according to the present invention includes: pixels including switching elements arranged on an insulating substrate and conversion elements arranged on the switching elements to convert a radiation into electric carriers, the switching elements and the conversion elements are connected with each other, the pixels two-dimensionally arranged on the insulating substrate in a matrix; gate wiring commonly connected with a plurality of switching elements arranged in a row direction on the insulating substrate; signal wiring commonly connected with a plurality of switching elements arranged in a column direction; and a plurality of insulating films arranged between the switching elements and the conversion elements, wherein at least one of the gate wiring and the signal wiring is arranged to be put between the plurality of insulating films.
    Type: Grant
    Filed: September 5, 2008
    Date of Patent: October 12, 2010
    Assignee: Canon Kabushiki Kaisha
    Inventors: Minoru Watanabe, Chiori Mochizuki, Keiichi Nomura, Takamasa Ishii
  • Publication number: 20100177854
    Abstract: A time information receiver including a reception unit for receiving and demodulating a standard radio wave containing a time code in which data pulses are arranged at a predetermined period; an analyzer for analyzing the time code from a demodulated signal obtained by demodulating the standard radio wave; a time-shift adder for executing an addition processing of adding a pulse waveform of the demodulated signal and a pulse waveform of a signal obtained by shifting the demodulated signal by a predetermined time; and a judger for judging a code type of the time code contained in the received standard radio wave on the basis of a addition result of the time-shift adder.
    Type: Application
    Filed: January 5, 2010
    Publication date: July 15, 2010
    Applicant: Casio Computer Co., Ltd.
    Inventors: Keiichi NOMURA, Hideo Abe
  • Publication number: 20100178888
    Abstract: A radio wave receiving apparatus is provided with a tuning circuit for bringing a receiving frequency of an antenna tuned in to a frequency of a desired wave, a frequency converting circuit for mixing a local oscillation signal with the signal received through the antenna, thereby converting the received signal into an intermediate frequency signal, a feed back loop including at least a portion of the tuning circuit for feeding back the received signal, a controller for detecting a level of the intermediate frequency signal to change a frequency characteristic of the tuning circuit, thereby obtaining a tuning point corresponding to the desired wave, wherein, the controller brings the feed back loop in operation, thereby changing the frequency characteristic of the tuning circuit, and when two peaks of a level of the received signal are detected while the frequency characteristic of the tuning circuit is changed, the controller selects as a tuning point corresponding to the desired wave a tuning point at which
    Type: Application
    Filed: January 6, 2010
    Publication date: July 15, 2010
    Applicant: Casio Computer Co., Ltd.
    Inventors: Keiichi Nomura, Kaoru Someya