Patents by Inventor Kazuaki Tashiro

Kazuaki Tashiro 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: 20150035013
    Abstract: An image pickup device according to the present invention is an image pickup device in which a plurality of pixel are arranged in a semiconductor substrate. Each of the plurality of pixels includes a photoelectric conversion element, a floating diffusion (FD) region, a transfer gate that transfers charges in the first semiconductor region to the FD region, and an amplification transistor whose gate is electrically connected to the FD region. The photoelectric conversion element has an outer edge which has a recessed portion in plan view, a source region and a drain region of the amplification transistor are located in the recessed portion, and the FD region is surrounded by the photoelectric conversion region or is located in the recessed portion in plan view.
    Type: Application
    Filed: October 15, 2014
    Publication date: February 5, 2015
    Inventors: Kazuaki Tashiro, Shin Kikuchi
  • Publication number: 20140333814
    Abstract: A solid-state image sensor includes a plurality of first pixels and a plurality of second pixels. Each of the plurality of first pixels includes a first filter having a visible light transmittance higher than an infrared light transmittance, and a first photoelectric converter configured to receive visible light transmitted through the first filter, and each of the plurality of second pixels includes a second filter having an infrared light transmittance higher than a visible light transmittance, and a second photoelectric converter configured to receive infrared light transmitted through the second filter. The plurality of second pixels are divided into a plurality of groups each includes at least two second pixels. The solid-state image sensor includes a synthesizer configured to synthesize a signal from signals of the at least two second pixels included in each group.
    Type: Application
    Filed: April 17, 2014
    Publication date: November 13, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventor: Kazuaki Tashiro
  • Patent number: 8872239
    Abstract: An image pickup device according to the present invention is an image pickup device in which a plurality of pixel are arranged in a semiconductor substrate. Each of the plurality of pixels includes a photoelectric conversion element, a floating diffusion (FD) region, a transfer gate that transfers charges in the first semiconductor region to the FD region, and an amplification transistor whose gate is electrically connected to the FD region. The photoelectric conversion element has an outer edge which has a recessed portion in plan view, a source region and a drain region of the amplification transistor are located in the recessed portion, and the FD region is surrounded by the photoelectric conversion region or is located in the recessed portion in plan view.
    Type: Grant
    Filed: December 21, 2012
    Date of Patent: October 28, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazuaki Tashiro, Shin Kikuchi
  • Publication number: 20140016009
    Abstract: One exemplary embodiment is a method of driving an image pickup apparatus including a plurality of photoelectric conversion units. A driving method of the present exemplary embodiment includes a generating step of generating electric charges in the photoelectric conversion unit during a period from a first time to a second time; and a transferring step of transferring electric charges generated in the generating step of generating into at least two electric charge reception units in parallel. Then, electric charges transferred from different photoelectric conversion units are added in at least one electric charge reception unit.
    Type: Application
    Filed: July 11, 2013
    Publication date: January 16, 2014
    Inventor: Kazuaki Tashiro
  • Publication number: 20140016006
    Abstract: A driving method for an image pickup apparatus that includes a plurality of pixels each including a photoelectric conversion portion includes performing photoelectric conversion in each of the plurality of photoelectric conversion portions during a period between first time and second time, generating a plurality of first signals, each being a signal deriving from electric charge generated through the photoelectric conversion in the photoelectric conversion portion, which is a plurality of signals to be generated for each of the plurality of pixels, and generating a plurality of second signals by performing moving average processing on the plurality of first signals.
    Type: Application
    Filed: July 11, 2013
    Publication date: January 16, 2014
    Inventors: Kazuaki Tashiro, Keisuke Ota
  • Patent number: 8531568
    Abstract: An image sensing apparatus is provided, which is provided with a plurality of image sensing elements each including a plurality of photoelectric conversion sections and an adding circuit adapted to add signals from the plurality of photoelectric conversion sections to obtain a one-pixel signal, wherein the adding circuit adds the signals such that the one-pixel signals obtained by the addition are arranged at equal intervals in an area extending over the plurality of image sensing elements.
    Type: Grant
    Filed: March 8, 2011
    Date of Patent: September 10, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventors: Osamu Yuki, Noriyuki Kaifu, Kazuaki Tashiro, Tetsunobu Kochi
  • Patent number: 8501520
    Abstract: A manufacturing method for a solid-state image sensor, the method comprises the steps of: forming a charge storage region in a photoelectric converting unit by implanting a semiconductor substrate with ions of an impurity of a first conductivity type, using a first mask; heating the semiconductor substrate at a temperature of no less than 800° C. and no more than 1200° C. through RTA (Rapid Thermal Annealing); forming a surface region of the charge storage region by implanting the semiconductor substrate with ions of an impurity of a second conductivity type, using a second a mask; heating the semiconductor substrate at a temperature of no less than 800° C. and no more than 1200° C. through RTA (Rapid Thermal Annealing); and forming an antireflection film that covers the photoelectric converting unit at a temperature of less than 800° C., after the step of forming the surface region, in this order.
    Type: Grant
    Filed: February 1, 2010
    Date of Patent: August 6, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventors: Katsunori Hirota, Akira Ohtani, Kazuaki Tashiro, Yusuke Onuki, Takanori Watanabe, Takeshi Ichikawa
  • Patent number: 8363142
    Abstract: An apparatus includes a plurality of pixels including a photoelectric conversion unit and a pixel amplification unit for amplifying a signal transmitted from the photoelectric conversion unit and outputting an amplified signal, a sequential averaging unit configured to sequentially average signals read a plurality of times via the pixel amplification unit, and a memory configured to store a signal obtained by sequential averaging.
    Type: Grant
    Filed: June 21, 2010
    Date of Patent: January 29, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventor: Kazuaki Tashiro
  • Publication number: 20120286139
    Abstract: A solid-state imaging device has a configuration for selecting from a plurality of reference pixels at least one reference pixel for outputting a reference signal.
    Type: Application
    Filed: May 2, 2012
    Publication date: November 15, 2012
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Kazuaki Tashiro, Kazuo Yamazaki
  • Patent number: 8274033
    Abstract: Disclosed is a photoelectric converter. According to the present invention, a photoelectric converter comprises a plurality of substrates, which are located adjacent to each other and on which a plurality of photoelectric conversion devices are two-dimensionally arranged, either scan circuits or detection circuits, at least, that are arranged on two opposing sides of the photoelectric converter, whereby scanning directions either from the scan circuits or from the detection circuits, which are arranged on the two opposing sides, are capable of being set so as to be performed in like directions.
    Type: Grant
    Filed: February 25, 2011
    Date of Patent: September 25, 2012
    Assignee: Canon Kabushiki Kaisha
    Inventors: Isao Kobayashi, Noriyuki Kaifu, Shinichi Takeda, Kazuaki Tashiro, Tadao Endo, Toshio Kameshima
  • Patent number: 8072526
    Abstract: An image sensor comprises a pixel array, and a control unit which performs, in a first period, a control operation of an electric potential of a signal line to turn off a MOS transistor while the electric potential of a charge-voltage converter in a selected pixel is maintained at an electric potential of a selected state, and, in a second period subsequent to the first period, performs a control operation of the electric potential of the signal line to turn on the MOS transistor while the electric potential of the charge-voltage converter in the selected pixel is maintained at an electric potential of the selected state.
    Type: Grant
    Filed: April 22, 2009
    Date of Patent: December 6, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazuaki Tashiro, Noriyuki Kaifu
  • Publication number: 20110157443
    Abstract: An image sensing apparatus is provided, which is provided with a plurality of image sensing elements each including a plurality of photoelectric conversion sections and an adding circuit adapted to add signals from the plurality of photoelectric conversion sections to obtain a one-pixel signal, wherein the adding circuit adds the signals such that the one-pixel signals obtained by the addition are arranged at equal intervals in an area extending over the plurality of Image sensing elements.
    Type: Application
    Filed: March 8, 2011
    Publication date: June 30, 2011
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: OSAMU YUKI, Noriyuki Kaifu, Kazuaki Tashiro, Tetsunobu Kochi
  • Publication number: 20110147598
    Abstract: Disclosed is a photoelectric converter. According to the present invention, a photoelectric converter comprises a plurality of substrates, which are located adjacent to each other and on which a plurality of photoelectric conversion devices are two-dimensionally arranged, either scan circuits or detection circuits, at least, that are arranged on two opposing sides of the photoelectric converter, whereby scanning directions either from the scan circuits or from the detection circuits, which are arranged on the two opposing sides, are capable of being set so as to be performed in like directions.
    Type: Application
    Filed: February 25, 2011
    Publication date: June 23, 2011
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: ISAO KOBAYASHI, NORIYUKI KAIFU, SHINICHI TAKEDA, KAZUAKI TASHIRO, TADAO ENDO, TOSHIO KAMESHIMA
  • Patent number: 7952077
    Abstract: An image sensor has a plurality of pixels, each pixel including a photoelectric converter and a pixel circuit for processing signals from the photoelectric converter and outputting processed signals to an output line, the plurality of pixels having at least one position at which a first pixel, a second pixel, a third pixel, a fourth pixel, a fifth pixel, and a sixth pixel are arranged in one direction, in that order, and the first pixel, the second pixel, the third pixel, the fourth pixel, the fifth pixel, and the sixth pixel are arranged so that the photoelectric converters are arranged at the same pitch.
    Type: Grant
    Filed: October 28, 2010
    Date of Patent: May 31, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazuaki Tashiro, Noriyuki Kaifu, Shin Kikuchi, Tomoyuki Noda
  • Patent number: 7920195
    Abstract: An image sensing apparatus provided with a plurality of image sensing elements each including a plurality of photoelectric conversion sections and an adding circuit adapted to add signals from the plurality of photoelectric conversion sections to obtain a one-pixel signal, wherein the adding circuit adds the signals such that the one-pixel signals obtained by the addition are arranged at equal intervals in an area extending over the plurality of image sensing elements.
    Type: Grant
    Filed: April 21, 2009
    Date of Patent: April 5, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventors: Osamu Yuki, Noriyuki Kaifu, Kazuaki Tashiro, Tetsunobu Kochi
  • Patent number: 7915573
    Abstract: A photoelectric converter includes a plurality of substrates, which are located adjacent to each other and on which a plurality of photoelectric conversion devices are two-dimensionally arranged, and either scan circuits or detection circuits that are arranged on two opposing sides of the photoelectric converter, whereby scanning directions either from the scan circuits or from the detection circuits, which are arranged on the two opposing sides, are capable of being set so as to be performed in like directions.
    Type: Grant
    Filed: December 16, 2009
    Date of Patent: March 29, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventors: Isao Kobayashi, Noriyuki Kaifu, Shinichi Takeda, Kazuaki Tashiro, Tadao Endo, Toshio Kameshima
  • Publication number: 20110036986
    Abstract: An image sensor has a plurality of pixels, each pixel including a photoelectric converter and a pixel circuit for processing signals from the photoelectric converter and outputting processed signals and a scanning circuit, disposed between the photoelectric converters, included in each of at least two adjacent pixels among a plurality of pixels aligned in a single direction. An edge pixel accommodates, in order from an edge of the image sensor toward an interior, a predetermined empty region, a photoelectric converter and a pixel circuit. There is at least one position at which two adjacent pixels, the first of the two pixels accommodating, in order, a pixel circuit, a photoelectric converter and predetermined empty region, the second accommodating, in order, a predetermined empty region, a photoelectric converter and a pixel circuit. The scanning circuit is disposed in the predetermined empty region between the two adjacent pixels.
    Type: Application
    Filed: October 28, 2010
    Publication date: February 17, 2011
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: KAZUAKI TASHIRO, NORIYUKI KAIFU, SHIN KIKUCHI, TOMOYUKI NODA
  • Publication number: 20100328511
    Abstract: An apparatus includes a plurality of pixels including a photoelectric conversion unit and a pixel amplification unit for amplifying a signal transmitted from the photoelectric conversion unit and outputting an amplified signal, a sequential averaging unit configured to sequentially average signals read a plurality of times via the pixel amplification unit, and a memory configured to store a signal obtained by sequential averaging.
    Type: Application
    Filed: June 21, 2010
    Publication date: December 30, 2010
    Applicant: CANON KABUSHIKI KAISHA
    Inventor: Kazuaki Tashiro
  • Patent number: 7847259
    Abstract: An image sensor has a plurality of pixels, each pixel including a photoelectric converter and a pixel circuit for processing signals from the photoelectric converter and outputting processed signals and a scanning circuit, disposed between the photoelectric converters, included in each of at least two adjacent pixels among a plurality of pixels aligned in a single direction. An edge pixel accommodates, in order from an edge of the image sensor toward an interior, a predetermined empty region, a photoelectric converter and a pixel circuit. There is at least one position at which two adjacent pixels, the first of the two pixels accommodating, in order, a pixel circuit, a photoelectric converter and predetermined empty region, the second accommodating, in order, a predetermined empty region, a photoelectric converter and a pixel circuit. The scanning circuit is disposed in the predetermined empty region between the two adjacent pixels.
    Type: Grant
    Filed: May 28, 2009
    Date of Patent: December 7, 2010
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazuaki Tashiro, Noriyuki Kaifu, Shin Kikuchi, Tomoyuki Noda
  • Patent number: 7842927
    Abstract: An image sensor has a plurality of pixels, each pixel including a photoelectric converter and a pixel circuit for processing signals from the photoelectric converter and outputting processed signals and a scanning circuit, disposed between the photoelectric converters, included in each of at least two adjacent pixels among a plurality of pixels aligned in a single direction. An edge pixel accommodates, in order from an edge of the image sensor toward an interior, a predetermined empty region, a photoelectric converter and a pixel circuit. There is at least one position at which two adjacent pixels, the first of the two pixels accommodating, in order, a pixel circuit, a photoelectric converter and predetermined empty region, the second accommodating, in order, a predetermined empty region, a photoelectric converter and a pixel circuit. The scanning circuit is disposed in the predetermined empty region between the two adjacent pixels.
    Type: Grant
    Filed: May 28, 2009
    Date of Patent: November 30, 2010
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazuaki Tashiro, Noriyuki Kaifu, Shin Kikuchi, Tomoyuki Noda