Patents by Inventor Tomoyasu Yokoyama

Tomoyasu Yokoyama 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: 20210408413
    Abstract: A solar cell according to the present disclosure includes a first electrode, a second electrode, a photoelectric conversion layer located between the first electrode and the second electrode, and a first electron transport layer located between the first electrode and the photoelectric conversion layer, in which at least one selected from the group consisting of the first electrode and the second electrode is translucent, the photoelectric conversion layer contains a perovskite compound composed of a monovalent cation, a Sn cation, and a halogen anion, and the first electron transport layer contains a niobium oxide halide.
    Type: Application
    Filed: September 10, 2021
    Publication date: December 30, 2021
    Inventors: TOMOYASU YOKOYAMA, YU NISHITANI, SHOHEI KUSUMOTO, YUMI MIYAMOTO
  • Publication number: 20210091323
    Abstract: The present disclosure provides a solar cell including a first electrode, a second electrode, a photoelectric conversion layer disposed between the first electrode and the second electrode, and an electron transport layer disposed between the first electrode and the photoelectric conversion layer. At least one of the first electrode and the second electrode has a light-transmitting property. The photoelectric conversion layer contains a perovskite compound composed of a monovalent cation, a Sn cation, and a halogen anion. The electron transport layer contains an electron transport material containing niobium oxide. The niobium oxide is amorphous. The electron transport material has a conduction band at a bottom of which an energy level with respect to a vacuum level is greater than ?3.9 eV and less than ?3.1 eV.
    Type: Application
    Filed: December 10, 2020
    Publication date: March 25, 2021
    Inventors: TOMOYASU YOKOYAMA, TAISUKE MATSUI
  • Publication number: 20210077051
    Abstract: A radiographic image capturing system is described. If a hardware processor determines that an image processor and an image analyzing unit are capable of sharing image data via an identical memory, the image processor stores image data in the memory and the image analyzing unit analyzes the image data with reference to the memory. If the hardware processor determines that the image processor and the image analyzing unit can send and receive the data via a wired network, the image processor transfers the data to the image analyzing unit, and the image analyzing unit analyzes the data. If the hardware processor determines that the image processor and the image analyzing unit can send and receive the data via a wireless network, the image processor compresses the data or decimates partial data and transfers the data to the image analyzing unit, and the image analyzing unit decompresses and analyzes the data.
    Type: Application
    Filed: December 1, 2020
    Publication date: March 18, 2021
    Applicant: Konica Minolta, Inc.
    Inventors: Masahiro Kuwata, Hidetake Tezuka, Satoshi Komiya, Nobuyuki Miyake, Hiroyuki Nakagawa, Ichirou Hamamoto, Shintaro Muraoka, Kazuhiko Katsushima, Tomoyasu Yokoyama, Akira Hiroshige, Takanori Kakigi, Tomoya Ogawa, Tetsu Hosoki, Tomonori Gido, Makoto Sumi
  • Patent number: 10881370
    Abstract: A radiographic image capturing system is described. If a hardware processor determines that an image processor and an image analyzing unit are capable of sharing image data via an identical memory, the image processor stores image data in the memory and the image analyzing unit analyzes the image data with reference to the memory. If the hardware processor determines that the image processor and the image analyzing unit can send and receive the data via a wired network, the image processor transfers the data to the image analyzing unit, and the image analyzing unit analyzes the data. If the hardware processor determines that the image processor and the image analyzing unit can send and receive the data via a wireless network, the image processor compresses the data or decimates partial data and transfers the data to the image analyzing unit, and the image analyzing unit decompresses and analyzes the data.
    Type: Grant
    Filed: June 19, 2018
    Date of Patent: January 5, 2021
    Assignee: Konica Minolta, Inc.
    Inventors: Masahiro Kuwata, Hidetake Tezuka, Satoshi Komiya, Nobuyuki Miyake, Hiroyuki Nakagawa, Ichirou Hamamoto, Shintaro Muraoka, Kazuhiko Katsushima, Tomoyasu Yokoyama, Akira Hiroshige, Takanori Kakigi, Tomoya Ogawa, Tetsu Hosoki, Tomonori Gido, Makoto Sumi
  • Patent number: 10629384
    Abstract: The present disclosure provides a photoabsorber containing: a perovskite compound represented by the composition formula ABX3, where A represents a monovalent cation, B represents a divalent cation including a Sn cation, and X represents a halogen anion; and a trivalent cation of a Group 3 element.
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: April 21, 2020
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Michio Suzuka, Tomoyasu Yokoyama, Taisuke Matsui
  • Publication number: 20200077971
    Abstract: There is provided a radiation imaging system including a radiation emitting apparatus 3 having a radiation source 34 that generates radiation, a radiation imaging apparatus 100B that receives radiation and generates radiation image data, and a hardware processor. The hardware processor detects height of the radiation source 34 and height of the radiation imaging apparatus 100B. The hardware processor further calculates a distance from a focal point of the radiation generated by the radiation source 34 to the radiation imaging apparatus 100B based on the height of the radiation source 34 and the height of the radiation imaging apparatus 100B, and causes a display to display the calculated distance.
    Type: Application
    Filed: August 28, 2019
    Publication date: March 12, 2020
    Inventors: Masahiro KUWATA, Ikuma OTA, Tomoyasu YOKOYAMA, Sho NOJI, Takuya YAMAMURA, Takafumi MATSUO, Hidetake TEZUKA
  • Publication number: 20200020820
    Abstract: Provided is a solar cell including a first electrode, a second electrode, a light-absorbing layer located between the first electrode and the second electrode, and an intermediate layer located between the light-absorbing layer and at least one electrode selected from the group consisting of the first electrode and the second electrode. The light-absorbing layer contains a perovskite compound represented by a chemical formula ASnX3 (where A is a monovalent cation and X is a halogen anion). The intermediate layer is in contact with the light-absorbing layer. The at least one electrode selected from the group consisting of the first electrode and the second electrode has light-transmissive property. The intermediate layer contains at least one selected from the group consisting of (4-(1?,5?-dihydro-1?-methyl-2?H-[5,6]fullereno-C60-lh-[1,9-c]pyrrol-2?-yl)benzoic acid) and fullerene C60.
    Type: Application
    Filed: June 5, 2019
    Publication date: January 16, 2020
    Inventors: TOMOYASU YOKOYAMA, KENJI KAWANO, YUMI MIYAMOTO
  • Publication number: 20190221691
    Abstract: The present disclosure provides a photoabsorber containing: a perovskite compound represented by the composition formula ABX3, where A represents a monovalent cation, B represents a divalent cation including a Sn cation, and X represents a halogen anion; and a metal Sn.
    Type: Application
    Filed: November 29, 2018
    Publication date: July 18, 2019
    Inventors: TOMOYASU YOKOYAMA, MICHIO SUZUKA
  • Publication number: 20190221374
    Abstract: The present disclosure provides a photoabsorber containing: a perovskite compound represented by the composition formula ABX3, where A represents a monovalent cation, B represents a divalent cation including a Sn cation, and X represents a halogen anion; and a trivalent cation of a Group 3 element.
    Type: Application
    Filed: November 27, 2018
    Publication date: July 18, 2019
    Inventors: MICHIO SUZUKA, TOMOYASU YOKOYAMA, TAISUKE MATSUI
  • Publication number: 20190198258
    Abstract: A light absorption material comprising: a compound having a perovskite crystal structure represented by ABX3 where the A site contains (NH2)2CH+, the B site contains Pb2+, and the X site contains I?. A ratio of the number of atoms of I to the number of atoms of Pb measured by an X-ray photoelectron spectroscopy is 2.7 or less, or a ratio of the number of atoms of I to the number of atoms of Pb measured by a Rutherford backscattering spectroscopy is 2.9 or less.
    Type: Application
    Filed: March 1, 2019
    Publication date: June 27, 2019
    Inventors: MICHIO SUZUKA, RYUUSUKE UCHIDA, TOMOYASU YOKOYAMA
  • Publication number: 20190027317
    Abstract: A light-absorbing material contains a compound represented by the composition formula HC(NH2)2SnI3 and having a perovskite structure. A solid-state 1H-NMR spectrum, which is obtained by 1H-14N HMQC measurement in two-dimensional NMR at 25° C., of the compound includes a first peak at 6.9 ppm and a second peak at 7.0 ppm. A peak intensity of the first peak is equal to 80% or more of a peak intensity of the second peak.
    Type: Application
    Filed: July 14, 2018
    Publication date: January 24, 2019
    Inventors: TAKEYUKI SEKIMOTO, MICHIO SUZUKA, TOMOYASU YOKOYAMA, YOSHIKO MIYAMOTO, TAISUKE MATSUI
  • Publication number: 20180368797
    Abstract: A radiographic image capturing system is described. If a hardware processor determines that an image processor and an image analyzing unit are capable of sharing image data via an identical memory, the image processor stores image data in the memory and the image analyzing unit analyzes the image data with reference to the memory. If the hardware processor determines that the image processor and the image analyzing unit can send and receive the data via a wired network, the image processor transfers the data to the image analyzing unit, and the image analyzing unit analyzes the data. If the hardware processor determines that the image processor and the image analyzing unit can send and receive the data via a wireless network, the image processor compresses the data or decimates partial data and transfers the data to the image analyzing unit, and the image analyzing unit decompresses and analyzes the data.
    Type: Application
    Filed: June 19, 2018
    Publication date: December 27, 2018
    Applicant: Konica Minolta, Inc.
    Inventors: Masahiro KUWATA, Hidetake TEZUKA, Satoshi KOMIYA, Nobuyuki MIYAKE, Hiroyuki NAKAGAWA, Ichirou HAMAMOTO, Shintaro MURAOKA, Kazuhiko KATSUSHIMA, Tomoyasu YOKOYAMA, Akira HIROSHIGE, Takanori KAKIGI, Tomoya OGAWA, Tetsu HOSOKI, Tomonori GIDO, Makoto SUMI
  • Patent number: 10115999
    Abstract: An all-solid-state lithium-ion secondary battery includes a cathode active material, an anode active material, a solid electrolyte between the cathode and anode active materials, and an intermediate layer between the solid electrolyte and the cathode active material. The cathode and anode active materials are able to store and release a lithium ion. The solid electrolyte has lithium ion conductivity. The intermediate layer is constituted of elements including all elements constituting the cathode active material. A lithium ion in the intermediate layer is less ionic than that in the cathode active material.
    Type: Grant
    Filed: May 19, 2016
    Date of Patent: October 30, 2018
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Satoru Ohuchi, Yuta Sugimoto, Toshiro Kume, Tomoyasu Yokoyama
  • Publication number: 20180226202
    Abstract: A light-absorbing material contains a perovskite compound represented by the composition formula CH3NH3PbI3. The 1H-NMR spectrum, which is obtained by 1H-14N HMQC measurement, of the perovskite compound shows a first peak of 6.2 ppm and a second peak of 6.4 ppm at 25° C., and the peak intensity of the first peak is 15% or more of the peak intensity of the second peak.
    Type: Application
    Filed: February 3, 2018
    Publication date: August 9, 2018
    Inventors: TOMOYASU YOKOYAMA, MICHIO SUZUKA, YOSHIKO MIYAMOTO, RYUUSUKE UCHIDA
  • Publication number: 20180226203
    Abstract: A light-absorbing material contains a perovskite compound represented by the composition formula HC(NH2)2PbI3. The 1H-NMR spectrum, which is obtained by 1H-14N HMQC measurement, of the perovskite compound shows a first peak of 7.2 ppm and a second peak of 7.4 ppm at 25° C., and the peak intensity of the first peak is 60% or more of the peak intensity of the second peak.
    Type: Application
    Filed: February 3, 2018
    Publication date: August 9, 2018
    Inventors: TOMOYASU YOKOYAMA, MICHIO SUZUKA, YOSHIKO MIYAMOTO, RYUUSUKE UCHIDA
  • Patent number: 9872660
    Abstract: A medical diagnostic imaging system includes an X-ray Talbot imaging apparatus and an image processing apparatus to reconstruct one or more moire images produced in the X-ray Talbot imaging apparatus into a plurality of types of medical diagnostic images. The image processing apparatus classifies the medical diagnostic images generated based on the same moire image(s) into a group and outputs the group of medical diagnostic images as a unit to the outside.
    Type: Grant
    Filed: April 8, 2015
    Date of Patent: January 23, 2018
    Assignee: KONICA MINOLTA, INC.
    Inventors: Masaya Hamano, Akira Kurahashi, Norihiro Matsusaka, Tomoyasu Yokoyama, Mitsuharu Kitamura, Satoshi Nishino
  • Patent number: 9855018
    Abstract: Provided are a diagnostic medical image system and the like which enable diagnostic medical images generated in either an imaging system used for general imaging or an imaging system which includes a Talbot imaging device to be accurately associated with imaging order information. In the diagnostic medical image system, a controller groups a plurality of types of diagnostic medical images reconstructed and generated on the basis of a plurality of image signals captured by a second imaging system equipped with a Talbot imaging device and transmits the group to a console; and the console associates one diagnostic medical image generated from one image signal acquired from a first imaging system equipped with an X-ray imaging device with the imaging order information corresponding thereto and, by the same associating method, associates the grouped plurality of types of diagnostic medical images transmitted from the controller with the imaging order information corresponding thereto.
    Type: Grant
    Filed: February 25, 2014
    Date of Patent: January 2, 2018
    Assignee: KONICA MINOLTA, INC.
    Inventors: Masaya Hamano, Akira Kurahashi, Norihiro Matsusaka, Junko Kiyohara, Tomoyasu Yokoyama, Satoshi Nishino
  • Publication number: 20170309407
    Abstract: A light absorption material comprising: a compound having a perovskite crystal structure represented by ABX3 where the A site contains (NH2)2CH+, the B site contains Pb2+, and the X site contains I?. A ratio of the number of atoms of I to the number of atoms of Pb measured by an X-ray photoelectron spectroscopy is 2.7 or less, or a ratio of the number of atoms of I to the number of atoms of Pb measured by a Rutherford backscattering spectroscopy is 2.9 or less.
    Type: Application
    Filed: April 21, 2017
    Publication date: October 26, 2017
    Inventors: MICHIO SUZUKA, RYUUSUKE UCHIDA, TOMOYASU YOKOYAMA
  • Publication number: 20160351950
    Abstract: An all-solid-state lithium-ion secondary battery includes a cathode active material, an anode active material, a solid electrolyte between the cathode and anode active materials, and an intermediate layer between the solid electrolyte and the cathode active material. The cathode and anode active materials are able to store and release a lithium ion. The solid electrolyte has lithium ion conductivity. The intermediate layer is constituted of elements including all elements constituting the cathode active material. A lithium ion in the intermediate layer is less ionic than that in the cathode active material.
    Type: Application
    Filed: May 19, 2016
    Publication date: December 1, 2016
    Inventors: SATORU OHUCHI, YUTA SUGIMOTO, TOSHIRO KUME, TOMOYASU YOKOYAMA
  • Publication number: 20160310099
    Abstract: Provided are a diagnostic medical image system and the like which enable diagnostic medical images generated in either an imaging system used for general imaging or an imaging system which includes a Talbot imaging device to be accurately associated with imaging order information. In the diagnostic medical image system, a controller groups a plurality of types of diagnostic medical images reconstructed and generated on the basis of a plurality of image signals captured by a second imaging system equipped with a Talbot imaging device and transmits the group to a console; and the console associates one diagnostic medical image generated from one image signal acquired from a first imaging system equipped with an X-ray imaging device with the imaging order information corresponding thereto and, by the same associating method, associates the grouped plurality of types of diagnostic medical images transmitted from the controller with the imaging order information corresponding thereto.
    Type: Application
    Filed: February 25, 2014
    Publication date: October 27, 2016
    Inventors: Masaya HAMANO, Akira KURAHASHI, Norihiro MATSUSAKA, Junko KIYOHARA, Tomoyasu YOKOYAMA, Satoshi NISHINO