Patents by Inventor Masaaki Iwane

Masaaki Iwane 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: 11743448
    Abstract: Provided is an electronic device including a cell array unit in which cells are arranged in rows and columns, signal lines, each of the signal lines being arranged corresponding to one of the rows or columns and being connected to corresponding cells, a first electrode via which a signal according to a signal transmitted via at least one of the signal lines passes, a second electrode to which a selection signal is input to select a part of the signal lines; and a third electrode that is electrically connected to a node between cells that are connected to the part of the signal lines selected based on the selection signal and the first electrode. A voltage potential of the third electrode correlates with a voltage potential of the part of the signal lines selected based on the selection signal.
    Type: Grant
    Filed: March 2, 2021
    Date of Patent: August 29, 2023
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Masaaki Iwane
  • Patent number: 11728816
    Abstract: A PLL circuit includes: a charge pump; a voltage-controlled oscillator including an oscillation portion; and a voltage-converting circuit configured to convert a voltage from the charge pump and apply the converted voltage to the voltage-controlled oscillator. The power supply range supplied to the voltage-converting circuit is larger than the power supply range supplied to the oscillation portion of the voltage-controlled oscillator.
    Type: Grant
    Filed: March 11, 2022
    Date of Patent: August 15, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventor: Masaaki Iwane
  • Publication number: 20230237960
    Abstract: A semiconductor device including a first buffer circuit and a second buffer circuit each configured to output a control signal to one control line based on an input from a signal output circuit, and an element configured to receive the control signal transmitted through the one control line. The second buffer circuit is switchable between electrical connection and electrical disconnection to the one control line. A first mode in which a current is supplied to the one control line with a first driving capability by the first buffer circuit and a second mode in which a current is supplied to the one control line with a second driving capability greater than the first driving capability by both the first buffer circuit and the second buffer circuit are switchable.
    Type: Application
    Filed: January 18, 2023
    Publication date: July 27, 2023
    Inventors: MASAAKI IWANE, SHOJI KONO, SHUSUKE YANAGAWA
  • Publication number: 20230099575
    Abstract: A display device according to the present invention, includes: a first substrate including a first single-crystal semiconductor substrate provided with a plurality of light emitting portions and with a first drive circuit that drives the plurality of light emitting portions, wherein the first single-crystal semiconductor substrate includes a plurality of light guiding portions that transmit light so as to implement a see-through function.
    Type: Application
    Filed: September 22, 2022
    Publication date: March 30, 2023
    Inventors: Masaaki Iwane, Shoji Kono, Shusuke Yanagawa, Yoshiaki Miyamoto
  • Publication number: 20220408050
    Abstract: Provided is a photoelectric conversion device including a pixel array that includes pixels forming columns and is arranged in a substrate, first signal lines each transmitting a signal output from a pixel of a corresponding column, an analog circuit arranged in the substrate and configured to process signals from the pixels, second signal lines transmitting signals from the pixels to the analog circuit on a column basis, a switch configured to change a combination of connections between the first signal lines and the second signal lines, and a shift register arranged in the substrate, including a flip-flop, and configured to control the switch. In a plan view with respect to the substrate, the shift register is arranged between the pixel array and the analog circuit. In the plan view, the switch and the flip-flop are arranged in a direction different from a direction in which the first signal lines extend.
    Type: Application
    Filed: June 3, 2022
    Publication date: December 22, 2022
    Inventor: Masaaki Iwane
  • Publication number: 20220294457
    Abstract: A PLL circuit includes: a charge pump; a voltage-controlled oscillator including an oscillation portion; and a voltage-converting circuit configured to convert a voltage from the charge pump and apply the converted voltage to the voltage-controlled oscillator. The power supply range supplied to the voltage-converting circuit is larger than the power supply range supplied to the oscillation portion of the voltage-controlled oscillator.
    Type: Application
    Filed: March 11, 2022
    Publication date: September 15, 2022
    Inventor: Masaaki Iwane
  • Publication number: 20210289195
    Abstract: Provided is an electronic device including a cell array unit in which cells are arranged in rows and columns, signal lines, each of the signal lines being arranged corresponding to one of the rows or columns and being connected to corresponding cells, a first electrode via which a signal according to a signal transmitted via at least one of the signal lines passes, a second electrode to which a selection signal is input to select a part of the signal lines; and a third electrode that is electrically connected to a node between cells that are connected to the part of the signal lines selected based on the selection signal and the first electrode. A voltage potential of the third electrode correlates with a voltage potential of the part of the signal lines selected based on the selection signal.
    Type: Application
    Filed: March 2, 2021
    Publication date: September 16, 2021
    Inventor: Masaaki Iwane
  • Patent number: 11006036
    Abstract: An image sensor comprising a pixel portion that is constituted by a plurality of pixels, and includes a first pixel group and a second pixel group, wherein each of the pixels included in the first pixel group and the second pixel group includes: a plurality of photoelectric conversion portions; and a plurality of transfer gates that respectively correspond to the photoelectric conversion portions, and have transfer gate electrodes covering same partial regions in the photoelectric conversion portions, and an average position of barycenters of respective light receivable regions of the photoelectric conversion portions included in each pixel of the first pixel group and an average position of barycenters of respective light receivable regions of the photoelectric conversion portions included in each pixel of the second pixel group are at positions different from each other in the pixels.
    Type: Grant
    Filed: July 12, 2019
    Date of Patent: May 11, 2021
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Koichi Fukuda, Junichi Saito, Yumi Takao, Yoshiaki Takada, Masaaki Iwane, Shoji Kono
  • Patent number: 10811448
    Abstract: A solid-state imaging device includes a plurality of pixels, a reference signal supply unit configured to output a reference signal, and a comparison unit configured to output a signal depending on the reference signal and a signal from the pixel. The comparison unit includes a comparator circuit including an input terminal and an output terminal, a first switch configured to connect the input terminal and the output terminal of the comparator circuit, a clamp capacitor including a first terminal connected to the input terminal of the comparator circuit, a second switch connected to a second terminal of the clamp capacitor, and configured to select one of the signal from the pixel and the reference signal and to input the selected signal to the second terminal, and a clipping circuit arranged in an electrical path through which the reference signal is input to the comparator circuit.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: October 20, 2020
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Kohichi Nakamura, Masaaki Iwane
  • Publication number: 20190335093
    Abstract: An image sensor comprising a pixel portion that is constituted by a plurality of pixels, and includes a first pixel group and a second pixel group, wherein each of the pixels included in the first pixel group and the second pixel group includes: a plurality of photoelectric conversion portions; and a plurality of transfer gates that respectively correspond to the photoelectric conversion portions, and have transfer gate electrodes covering same partial regions in the photoelectric conversion portions, and an average position of barycenters of respective light receivable regions of the photoelectric conversion portions included in each pixel of the first pixel group and an average position of barycenters of respective light receivable regions of the photoelectric conversion portions included in each pixel of the second pixel group are at positions different from each other in the pixels.
    Type: Application
    Filed: July 12, 2019
    Publication date: October 31, 2019
    Inventors: Koichi Fukuda, Junichi Saito, Yumi Takao, Yoshiaki Takada, Masaaki Iwane, Shoji Kono
  • Patent number: 10404905
    Abstract: An image sensor comprising a pixel portion that is constituted by a plurality of pixels, and includes a first pixel group and a second pixel group, wherein each of the pixels included in the first pixel group and the second pixel group includes: a plurality of photoelectric conversion portions; and a plurality of transfer gates that respectively correspond to the photoelectric conversion portions, and have transfer gate electrodes covering same partial regions in the photoelectric conversion portions, and an average position of barycenters of respective light receivable regions of the photoelectric conversion portions included in each pixel of the first pixel group and an average position of barycenters of respective light receivable regions of the photoelectric conversion portions included in each pixel of the second pixel group are at positions different from each other in the pixels.
    Type: Grant
    Filed: April 4, 2017
    Date of Patent: September 3, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Koichi Fukuda, Junichi Saito, Yumi Takao, Yoshiaki Takada, Masaaki Iwane, Shoji Kono
  • Patent number: 10404933
    Abstract: Provided is a solid-state imaging apparatus, including: a first amplifier and a second amplifier; a coupling capacitor including a first electrode and a second electrode; a first metal member configured to connect an output terminal of the first amplifier and the first electrode; and a second metal member configured to connect an input terminal of the second amplifier and the second electrode, wherein, in a cross section perpendicular to a line that runs from the second electrode toward the input terminal of the second amplifier, the first metal member is arranged in at least two directions out of directions relative to the second metal member that are above, below, to the left of, and to the right of the second metal member.
    Type: Grant
    Filed: February 27, 2018
    Date of Patent: September 3, 2019
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Masaaki Iwane, Akira Okita
  • Patent number: 10298867
    Abstract: The imaging device includes a first pixel group and a second pixel group that include a plurality of pixels each having a plurality of photoelectric conversion portions that are separated by an isolation portion and arranged in a first direction and a plurality of transfer gates that transfer charges of the plurality of photoelectric conversion portions. A position of at least a part of the isolation portion within each of the pixels of the first pixel group and a position of at least a part of the isolation portion within each of the pixels of the second pixel group are shifted relative to each other in the first direction. Respective widths of portions where the plurality of separated photoelectric conversion portions overlap with the plurality of transfer gates in a planar view are the same.
    Type: Grant
    Filed: May 29, 2018
    Date of Patent: May 21, 2019
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Yoshiaki Takada, Masaaki Iwane, Shoji Kono, Koichi Fukuda, Junichi Saito, Yumi Takao
  • Publication number: 20180278871
    Abstract: The imaging device includes a first pixel group and a second pixel group that include a plurality of pixels each having a plurality of photoelectric conversion portions that are separated by an isolation portion and arranged in a first direction and a plurality of transfer gates that transfer charges of the plurality of photoelectric conversion portions. A position of at least a part of the isolation portion within each of the pixels of the first pixel group and a position of at least a part of the isolation portion within each of the pixels of the second pixel group are shifted relative to each other in the first direction. Respective widths of portions where the plurality of separated photoelectric conversion portions overlap with the plurality of transfer gates in a planar view are the same.
    Type: Application
    Filed: May 29, 2018
    Publication date: September 27, 2018
    Inventors: Yoshiaki Takada, Masaaki Iwane, Shoji Kono, Koichi Fukuda, Junichi Saito, Yumi Takao
  • Publication number: 20180219037
    Abstract: A solid-state imaging device includes a plurality of pixels, a reference signal supply unit configured to output a reference signal, and a comparison unit configured to output a signal depending on the reference signal and a signal from the pixel. The comparison unit includes a comparator circuit including an input terminal and an output terminal, a first switch configured to connect the input terminal and the output terminal of the comparator circuit, a clamp capacitor including a first terminal connected to the input terminal of the comparator circuit, a second switch connected to a second terminal of the clamp capacitor, and configured to select one of the signal from the pixel and the reference signal and to input the selected signal to the second terminal, and a clipping circuit arranged in an electrical path through which the reference signal is input to the comparator circuit.
    Type: Application
    Filed: March 26, 2018
    Publication date: August 2, 2018
    Inventors: Kohichi Nakamura, Masaaki Iwane
  • Patent number: 10021328
    Abstract: The imaging device includes a first pixel group and a second pixel group that include a plurality of pixels each having a plurality of photoelectric conversion portions that are separated by an isolation portion and arranged in a first direction and a plurality of transfer gates that transfer charges of the plurality of photoelectric conversion portions. A position of at least a part of the isolation portion within each of the pixels of the first pixel group and a position of at least a part of the isolation portion within each of the pixels of the second pixel group are shifted relative to each other in the first direction. Respective widths of portions where the plurality of separated photoelectric conversion portions overlap with the plurality of transfer gates in a planar view are the same.
    Type: Grant
    Filed: April 14, 2017
    Date of Patent: July 10, 2018
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Yoshiaki Takada, Masaaki Iwane, Shoji Kono, Koichi Fukuda, Junichi Saito, Yumi Takao
  • Publication number: 20180191983
    Abstract: Provided is a solid-state imaging apparatus, including: a first amplifier and a second amplifier; a coupling capacitor including a first electrode and a second electrode; a first metal member configured to connect an output terminal of the first amplifier and the first electrode; and a second metal member configured to connect an input terminal of the second amplifier and the second electrode, wherein, in a cross section perpendicular to a line that runs from the second electrode toward the input terminal of the second amplifier, the first metal member is arranged in at least two directions out of directions relative to the second metal member that are above, below, to the left of, and to the right of the second metal member.
    Type: Application
    Filed: February 27, 2018
    Publication date: July 5, 2018
    Inventors: Masaaki Iwane, Akira Okita
  • Patent number: 9966398
    Abstract: A solid-state imaging device includes a plurality of pixels, a reference signal supply unit configured to output a reference signal, and a comparison unit configured to output a signal depending on the reference signal and a signal from the pixel. The comparison unit includes a comparator circuit including an input terminal and an output terminal, a first switch configured to connect the input terminal and the output terminal of the comparator circuit, a clamp capacitor including a first terminal connected to the input terminal of the comparator circuit, a second switch connected to a second terminal of the clamp capacitor, and configured to select one of the signal from the pixel and the reference signal and to input the selected signal to the second terminal, and a clipping circuit arranged in an electrical path through which the reference signal is input to the comparator circuit.
    Type: Grant
    Filed: July 22, 2016
    Date of Patent: May 8, 2018
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Kohichi Nakamura, Masaaki Iwane
  • Patent number: 9948877
    Abstract: Provided is a solid-state imaging apparatus, including: a first amplifier and a second amplifier; a coupling capacitor including a first electrode and a second electrode; a first metal member configured to connect an output terminal of the first amplifier and the first electrode; and a second metal member configured to connect an input terminal of the second amplifier and the second electrode, wherein, in a cross section perpendicular to a line that runs from the second electrode toward the input terminal of the second amplifier, the first metal member is arranged in at least two directions out of directions relative to the second metal member that are above, below, to the left of, and to the right of the second metal member.
    Type: Grant
    Filed: August 5, 2015
    Date of Patent: April 17, 2018
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Masaaki Iwane, Akira Okita
  • Publication number: 20170310913
    Abstract: The imaging device includes a first pixel group and a second pixel group that include a plurality of pixels each having a plurality of photoelectric conversion portions that are separated by an isolation portion and arranged in a first direction and a plurality of transfer gates that transfer charges of the plurality of photoelectric conversion portions. A position of at least a part of the isolation portion within each of the pixels of the first pixel group and a position of at least a part of the isolation portion within each of the pixels of the second pixel group are shifted relative to each other in the first direction. Respective widths of portions where the plurality of separated photoelectric conversion portions overlap with the plurality of transfer gates in a planar view are the same.
    Type: Application
    Filed: April 14, 2017
    Publication date: October 26, 2017
    Inventors: Yoshiaki Takada, Masaaki Iwane, Shoji Kono, Koichi Fukuda, Junichi Saito, Yumi Takao