Patents by Inventor Yosuke Ueno

Yosuke Ueno 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: 20200260034
    Abstract: A solid-state image pick-up device of the present disclosure includes a pixel array unit obtained by disposing a plurality of unit pixels, each of which includes a photoelectric conversion unit, in a matrix form, an amplifier unit that adjusts a level of a pixel signal output from a unit pixel through a vertical signal line provided to correspond to column arrangement of the pixel array unit, a sample and hold unit that samples and holds a pixel signal passing through the amplifier unit, and an analog-digital conversion unit that converts the pixel signal output from the sample and hold unit into a digital signal. Further, the sample and hold unit includes at least three capacitors that hold pixel signals and performs fetching of a pixel signal to one capacitor and outputting of an image signal fetched to another capacitor in advance to the analog-digital conversion unit in parallel.
    Type: Application
    Filed: September 4, 2018
    Publication date: August 13, 2020
    Inventors: TAKASHI MOUE, YOSUKE UENO, TOMONORI YAMASHITA, KAZUNORI HASEBE
  • Publication number: 20200244907
    Abstract: It makes it easier to reduce the line capacitance of vertical signal lines in a solid-state image sensor in which signals are output via the vertical signal lines. The solid-state image sensor is provided with a logic circuit, a pixel circuit, and a negative capacitance circuit. In the solid-state image sensor, the logic circuit processes an analog signal. Also, in the solid-state image sensor, the pixel circuit generates an analog signal by photoelectric conversion, and outputs the analog signal to the logic circuit via a predetermined signal line. In the solid-state image sensor, the negative capacitance circuit is connected to the predetermined signal line.
    Type: Application
    Filed: July 10, 2018
    Publication date: July 30, 2020
    Inventors: Yosuke Ueno, Golan Zeituni, Noam Eshel, Yusuke Ikeda, Kiyoshi Makigawa
  • Publication number: 20200236319
    Abstract: There is provided an imaging device including a pixel array section including pixel units two-dimensionally arranged in a matrix pattern, each pixel unit including a photoelectric converter, and a plurality of column signal lines disposed according to a first column of the pixel units. The imaging device further includes an analog to digital converter that is shared by the plurality of column signal lines.
    Type: Application
    Filed: April 3, 2020
    Publication date: July 23, 2020
    Applicant: SONY CORPORATION
    Inventors: Atsumi NIWA, Yosuke UENO, Shimon TESHIMA, Daijiro ANAI, Yoshinobu FURUSAWA, Taishin YOSHIDA, Takahiro UCHIMURA, Eiji HIRATA
  • Patent number: 10707264
    Abstract: To prevent a decline in image quality by reducing a fluctuation in an image signal that is based on a fluctuation in a voltage of a negative voltage power source. An image signal output unit is controlled in accordance with a first control signal indicating either voltage state of an on voltage for causing a conductive state and an off voltage having a polarity different from that of the on voltage, and outputs an analog image signal corresponding to the electric charge held by an electric charge holding unit in the conductive state. A reset unit is controlled in accordance with a second control signal indicating either voltage state of the on voltage and the off voltage, resets the electric charge holding unit in the conductive state, transmits a fluctuation in the off voltage to the electric charge holding unit, and fluctuates the analog image signal.
    Type: Grant
    Filed: June 9, 2017
    Date of Patent: July 7, 2020
    Assignee: SONY CORPORATION
    Inventors: Tatsuki Nishino, Yosuke Ueno, Yusuke Moriyama, Shizunori Matsumoto
  • Patent number: 10694124
    Abstract: The present technique relates to an image pickup element and an electronic apparatus which enable a higher-quality image to be obtained. An image pickup element includes an input sense portion configured to produce a noise correction signal portion includes a first transistor and a second transistor configuring a current mirror circuit, a switch provided between a gate of the first transistor and a gate of the second transistor, and a capacitive element one electrode of which is connected between the switch and the gate of the second transistor on an output side of the current mirror circuit, and the other electrode of which is connected to the predetermined power source.
    Type: Grant
    Filed: March 3, 2017
    Date of Patent: June 23, 2020
    Assignee: Sony Corporation
    Inventors: Tatsuki Nishino, Yosuke Ueno, Yusuke Moriyama, Shizunori Matsumoto
  • Patent number: 10686460
    Abstract: The present invention aims to reduce power consumption in an ADC that performs AD conversion of a single-ended signal. A pair of sampling capacitors samples the single-ended signal. After the single-ended signal has been sampled, the connection control unit performs positive-side connection control of connecting both ends of one of the pair of sampling capacitors across a positive-side signal line and a predetermined ground potential and performs negative-side connection control of connecting both ends of the other of the pair of sampling capacitors across a negative-side signal line and the predetermined ground potential. A conversion unit converts a differential signals from the positive-side signal line and the negative-side signal line that have respectively undergone the positive-side connection control and the negative-side connection control into a digital signal.
    Type: Grant
    Filed: July 7, 2017
    Date of Patent: June 16, 2020
    Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Taiki Iguchi, Shinichirou Etou, Yosuke Ueno, Daisuke Hirono
  • Patent number: 10659716
    Abstract: There is provided an imaging device including a pixel array section including pixel units two-dimensionally arranged in a matrix pattern, each pixel unit including a photoelectric converter, and a plurality of column signal lines disposed according to a first column of the pixel units. The imaging device further includes an analog to digital converter that is shared by the plurality of column signal lines.
    Type: Grant
    Filed: September 4, 2019
    Date of Patent: May 19, 2020
    Assignee: Sony Corporation
    Inventors: Atsumi Niwa, Yosuke Ueno, Shimon Teshima, Daijiro Anai, Yoshinobu Furusawa, Taishin Yoshida, Takahiro Uchimura, Eiji Hirata
  • Publication number: 20200098805
    Abstract: An imaging element comprises a photoelectric conversion unit formed in a pixel region and configured to convert light into electrical charge. Further, the imaging element includes a transistor formed in the pixel region and configured to transfer electric charge from the photoelectric conversion unit. The photoelectric conversion unit of the imaging element may be connected to a well of the pixel region, where the well of the pixel region has a negative potential.
    Type: Application
    Filed: November 27, 2019
    Publication date: March 26, 2020
    Applicant: SONY CORPORATION
    Inventors: Yosuke UENO, Yusuke IKEDA, Shizunori MATSUMOTO, Tsutomu HARUTA, Rei YOSHIKAWA
  • Publication number: 20200053308
    Abstract: Provided is an image sensor including: a pixel section configured to include a plurality of pixels arranged therein; and an AD conversion unit configured to perform analog-to-digital (AD) conversion on a pixel signal on the basis of a result of comparison between a first voltage of a signal, which is obtained by adding, via capacitances, the pixel signal of the pixel and a reference signal that linearly changes in a direction opposite to the pixel signal, with a second voltage serving as a reference.
    Type: Application
    Filed: February 19, 2018
    Publication date: February 13, 2020
    Applicant: Sony Semiconductor Solutions Corporation
    Inventors: Atsumi Niwa, Tomonori Yamashita, Takashi Moue, Yosuke Ueno
  • Patent number: 10554912
    Abstract: A semiconductor apparatus, a solid-state image sensing apparatus, and a camera system capable of reducing interference between signals transmitted through adjacent via holes, preventing an increase in the number of the via holes, reducing the area of a chip having sensors thereon and the number of mounting steps thereof. First and second chips are bonded together to form a laminated structure, a wiring between the first chip and the second chip being connected through via holes, the first chip transmitting signals obtained by time-discretizing analog signals generated by respective sensors to the second chip through the corresponding via holes, the second chip sampling the signals transmitted from the first chip through the via holes at a timing different from a timing at which the signals are sampled by the first chip and quantizing the sampled signals to obtain digital signals.
    Type: Grant
    Filed: November 1, 2017
    Date of Patent: February 4, 2020
    Assignee: Sony Corporation
    Inventors: Toshiaki Nagai, Ken Koseki, Yosuke Ueno, Atsushi Suzuki
  • Patent number: 10529756
    Abstract: An imaging element comprises a photoelectric conversion unit formed in a pixel region and configured to convert light into electrical charge. Further, the imaging element includes a transistor formed in the pixel region and configured to transfer electric charge from the photoelectric conversion unit. The photoelectric conversion unit of the imaging element may be connected to a well of the pixel region, where the well of the pixel region has a negative potential.
    Type: Grant
    Filed: May 17, 2018
    Date of Patent: January 7, 2020
    Assignee: Sony Corporation
    Inventors: Yosuke Ueno, Yusuke Ikeda, Shizunori Matsumoto, Tsutomu Haruta, Rei Yoshikawa
  • Publication number: 20200007806
    Abstract: There is provided an imaging device including a pixel array section including pixel units two-dimensionally arranged in a matrix pattern, each pixel unit including a photoelectric converter, and a plurality of column signal lines disposed according to a first column of the pixel units. The imaging device further includes an analog to digital converter that is shared by the plurality of column signal lines.
    Type: Application
    Filed: September 4, 2019
    Publication date: January 2, 2020
    Applicant: SONY CORPORATION
    Inventors: Atsumi NIWA, Yosuke UENO, Shimon TESHIMA, Daijiro ANAI, Yoshinobu FURUSAWA, Taishin YOSHIDA, Takahiro UCHIMURA, Eiji HIRATA
  • Publication number: 20190305792
    Abstract: The present technology relates to a sensor, a driving method, and an electronic device that are capable of improving the dynamic range and noise of AD conversion. An AD conversion unit includes a comparator configured to compare an electric signal with a reference signal having a variable level, and performs AD conversion of the electric signal by using a result of the comparison between the electric signal and the reference signal by the comparator. An attenuation unit attenuates the electric signal supplied to the comparator in accordance with the amplitude of the electric signal. The present technology is applicable to, for example, a case where AD conversion is performed on an electric signal.
    Type: Application
    Filed: July 14, 2017
    Publication date: October 3, 2019
    Inventors: MASAKO HASEGAWA, RYUTA OKAMOTO, TOMONORI YAMASHITA, ATSUMI NIWA, YOSUKE UENO
  • Patent number: 10432884
    Abstract: There is provided an imaging device including a pixel array section including pixel units two-dimensionally arranged in a matrix pattern, each pixel unit including a photoelectric converter, and a plurality of column signal lines disposed according to a first column of the pixel units. The imaging device further includes an analog to digital converter that is shared by the plurality of column signal lines.
    Type: Grant
    Filed: May 23, 2018
    Date of Patent: October 1, 2019
    Assignee: Sony Corporation
    Inventors: Atsumi Niwa, Yosuke Ueno, Shimon Teshima, Daijiro Anai, Yoshinobu Furusawa, Taishin Yoshida, Takahiro Uchimura, Eiji Hirata
  • Publication number: 20190288029
    Abstract: To prevent a decline in image quality by reducing a fluctuation in an image signal that is based on a fluctuation in a voltage of a negative voltage power source. An image signal output unit is controlled in accordance with a first control signal indicating either voltage state of an on voltage for causing a conductive state and an off voltage having a polarity different from that of the on voltage, and outputs an analog image signal corresponding to the electric charge held by an electric charge holding unit in the conductive state. A reset unit is controlled in accordance with a second control signal indicating either voltage state of the on voltage and the off voltage, resets the electric charge holding unit in the conductive state, transmits a fluctuation in the off voltage to the electric charge holding unit, and fluctuates the analog image signal.
    Type: Application
    Filed: June 9, 2017
    Publication date: September 19, 2019
    Inventors: TATSUKI NISHINO, YOSUKE UENO, YUSUKE MORIYAMA, SHIZUNORI MATSUMOTO
  • Publication number: 20190190526
    Abstract: The present invention aims to reduce power consumption in an ADC that performs AD conversion of a single-ended signal. A pair of sampling capacitors samples the single-ended signal. After the single-ended signal has been sampled, the connection control unit performs positive-side connection control of connecting both ends of one of the pair of sampling capacitors across a positive-side signal line and a predetermined ground potential and performs negative-side connection control of connecting both ends of the other of the pair of sampling capacitors across a negative-side signal line and the predetermined ground potential. A conversion unit converts a differential signals from the positive-side signal line and the negative-side signal line that have respectively undergone the positive-side connection control and the negative-side connection control into a digital signal.
    Type: Application
    Filed: July 7, 2017
    Publication date: June 20, 2019
    Inventors: TAIKI IGUCHI, SHINICHIROU ETOU, YOSUKE UENO, DAISUKE HIRONO
  • Patent number: 10313623
    Abstract: There is provided a solid-state imaging device including an imaging unit including a plurality of image sensors, and an analog to digital (AD) conversion unit including a plurality of AD converters arranged in a row direction, each AD converter performing AD conversion of an electrical signal output by the image sensor. Each of the AD converters includes a comparator having a differential pair at an input stage, the differential pair including a first transistor and a second transistor, the first and second transistors are each divided into an equal number of a plurality of division transistors, and an arrangement pattern of the plurality of division transistors constituting the comparator in a predetermined column and an arrangement pattern of the plurality of division transistors constituting the comparator in an adjacent column adjacent to the predetermined column are different from each other.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: June 4, 2019
    Assignee: Sony Corporation
    Inventors: Yosuke Ueno, Natsuko Seino, Kenichi Takamiya
  • Patent number: 10237502
    Abstract: To reduce fluctuations in image signals when the voltage of a negative power supply supplied to pixels changes. A pixel operates based on a first ground potential applied to a first ground line and outputs an analog image signal according to emitted light. An analog-digital converter operates based on a second ground potential applied to a second ground line, the second ground potential higher than the first ground potential, and converts the analog image signal into a digital image signal based on a reference voltage as a standard for the conversion. A reference voltage generation unit operates based on the second ground potential and generates the reference voltage. A reference voltage correction unit corrects the reference voltage generated according to a change in the first ground potential and supplies the reference voltage to the analog-digital converter.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: March 19, 2019
    Assignee: Sony Corporation
    Inventors: Tatsuki Nishino, Yosuke Ueno, Yusuke Ikeda, Yusuke Moriyama, Shizunori Matsumoto
  • Publication number: 20190068902
    Abstract: The present technique relates to an image pickup element and an electronic apparatus which enable a higher-quality image to be obtained. An image pickup element includes an input sense portion configured to produce a noise correction signal for correcting a noise generated in a predetermined power source. The input sense portion includes a first transistor and a second transistor configuring a current mirror circuit, a switch provided between a gate of the first transistor and a gate of the second transistor, and a capacitive element one electrode of which is connected between the switch and the gate of the second transistor on an output side of the current mirror circuit, and the other electrode of which is connected to the predetermined power source.
    Type: Application
    Filed: March 3, 2017
    Publication date: February 28, 2019
    Applicant: Sony Corporation
    Inventors: Tatsuki NISHINO, Yosuke UENO, Yusuke MORIYAMA, Shizunori MATSUMOTO
  • Patent number: 10194107
    Abstract: To reduce fluctuations in image signals when the voltage of a negative power supply supplied to pixels changes. A pixel operates based on a first ground potential applied to a first ground line and outputs an analog image signal according to emitted light. An analog-digital converter operates based on a second ground potential applied to a second ground line, the second ground potential higher than the first ground potential, and converts the analog image signal into a digital image signal based on a reference voltage as a standard for the conversion. A reference voltage generation unit operates based on the second ground potential and generates the reference voltage. A reference voltage correction unit corrects the reference voltage generated according to a change in the first ground potential and supplies the reference voltage to the analog-digital converter.
    Type: Grant
    Filed: April 13, 2016
    Date of Patent: January 29, 2019
    Assignee: Sony Corporation
    Inventors: Tatsuki Nishino, Yosuke Ueno, Yusuke Ikeda, Yusuke Moriyama, Shizunori Matsumoto