Patents by Inventor Yoshiaki Obana

Yoshiaki Obana 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: 20230357283
    Abstract: An organic compound, an organic photoelectric device, an image sensor, and an electronic device, the organic compound being represented by Chemical Formula 1: wherein, in Chemical Formula 1, R1, R2, R3, R4, R5, and R6 are each independently a hydrogen atom, a substituted or unsubstituted C1-C4 alkyl group, a substituted or unsubstituted C1-C4 alkoxy group, or a substituted or unsubstituted C1-C4 alkylthio group, and A is a functional group including a heteroaryl group that includes at least one sulfur atom.
    Type: Application
    Filed: July 5, 2023
    Publication date: November 9, 2023
    Applicant: ADEKA CORPORATION
    Inventors: Yoshiaki OBANA, Hyeyun PARK, Sujin KWON, Shiyong YI, Junwon HAN, Hiroshi MORITA, Rieko HAMADA, Kouji IINO
  • Publication number: 20230329082
    Abstract: There is provided a photoelectric conversion film including a quinacridone derivative represented by the following General formula and a subphthalocyanine derivative represented by the following General formula.
    Type: Application
    Filed: June 6, 2023
    Publication date: October 12, 2023
    Applicant: Sony Semiconductor Solutions Corporation
    Inventors: Yoshiaki OBANA, Yuki NEGISHI, Yuta HASEGAWA, Ichiro TAKEMURA, Osamu ENOKI, Hideaki MOGI, Nobuyuki MATSUZAWA
  • Publication number: 20230309331
    Abstract: A photoelectric conversion element according to an embodiment of the present disclosure includes: a first electrode and a second electrode facing each other; and a photoelectric conversion layer provided between the first electrode and the second electrode, and including a first organic semiconductor material, a second organic semiconductor material, and a third organic semiconductor material that have mother skeletons different from one another. The first organic semiconductor material is one of fullerenes and fullerene derivatives. The second organic semiconductor material in a form of a single-layer film has a higher linear absorption coefficient of a maximal light absorption wavelength in a visible light region than a single-layer film of the first organic semiconductor material and a single-layer film of the third organic semiconductor material. The third organic semiconductor material has a value equal to or higher than a HOMO level of the second organic semiconductor material.
    Type: Application
    Filed: May 23, 2023
    Publication date: September 28, 2023
    Applicant: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Yuta HASEGAWA, Nobuyuki MATSUZAWA, Yoshiaki OBANA, Ichiro TAKEMURA, Norikazu NAKAYAMA, Masami SHIMOKAWA, Tetsuji YAMAGUCHI, Iwao YAGI, Hideaki MOGI
  • Patent number: 11716896
    Abstract: There is provided a photoelectric conversion film including a quinacridone derivative represented by the following General formula and a subphthalocyanine derivative represented by the following General formula.
    Type: Grant
    Filed: April 28, 2021
    Date of Patent: August 1, 2023
    Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Yoshiaki Obana, Yuki Negishi, Yuta Hasegawa, Ichiro Takemura, Osamu Enoki, Hideaki Mogi, Nobuyuki Matsuzawa
  • Patent number: 11700733
    Abstract: A photoelectric conversion element according to an embodiment of the present disclosure includes: a first electrode and a second electrode facing each other; and a photoelectric conversion layer provided between the first electrode and the second electrode, and including a first organic semiconductor material, a second organic semiconductor material, and a third organic semiconductor material that have mother skeletons different from one another. The first organic semiconductor material is one of fullerenes and fullerene derivatives. The second organic semiconductor material in a form of a single-layer film has a higher linear absorption coefficient of a maximal light absorption wavelength in a visible light region than a single-layer film of the first organic semiconductor material and a single-layer film of the third organic semiconductor material. The third organic semiconductor material has a value equal to or higher than a HOMO level of the second organic semiconductor material.
    Type: Grant
    Filed: June 3, 2021
    Date of Patent: July 11, 2023
    Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Yuta Hasegawa, Nobuyuki Matsuzawa, Yoshiaki Obana, Ichiro Takemura, Norikazu Nakayama, Masami Shimokawa, Tetsuji Yamaguchi, Iwao Yagi, Hideaki Mogi
  • Publication number: 20220328771
    Abstract: A photoelectric conversion element according to the disclosure includes: a first electrode and a second electrode that are disposed to face each other; and a photoelectric conversion layer that is provided between the first electrode and the second electrode, and contains at least one kind of polycyclic aromatic compound represented by any one of the following general formula (1), the following general formula (2), and the following general formula (3):
    Type: Application
    Filed: June 23, 2022
    Publication date: October 13, 2022
    Applicant: SONY GROUP CORPORATION
    Inventors: Yoshiaki OBANA, Yosuke SAITO, Norikazu NAKAYAMA, Yuki NEGISHI, Yuta HASEGAWA, Ichiro TAKEMURA, Osamu ENOKI, Nobuyuki MATSUZAWA
  • Patent number: 11398605
    Abstract: A photoelectric conversion element according to the disclosure includes: a first electrode and a second electrode that are disposed to face each other; and a photoelectric conversion layer that is provided between the first electrode and the second electrode, and contains at least one kind of polycyclic aromatic compound represented by any one of the following general formula (1), the following general formula (2), and the following general formula (3):
    Type: Grant
    Filed: March 14, 2017
    Date of Patent: July 26, 2022
    Assignee: SONY CORPORATION
    Inventors: Yoshiaki Obana, Yosuke Saito, Norikazu Nakayama, Yuki Negishi, Yuta Hasegawa, Ichiro Takemura, Osamu Enoki, Nobuyuki Matsuzawa
  • Publication number: 20220085080
    Abstract: A solid-state imaging device includes a first electrode, a second electrode, and a photoelectric conversion film that is formed between the first electrode and the second electrode and includes an organic semiconductor and an inorganic material.
    Type: Application
    Filed: November 29, 2021
    Publication date: March 17, 2022
    Inventors: NORIKAZU NAKAYAMA, HIDEKI ONO, YOSHIAKI OBANA, NOBUYUKI MATSUZAWA
  • Publication number: 20220041628
    Abstract: An organic compound and an electronic device, the organic compound being represented by General Formula (1): wherein, in General Formula (1), R1, R2, R3, and R4 are each independently a substituted or unsubstituted alkyl group having 1 to 4 carbon atoms, a substituted or unsubstituted alkoxy group having 1 to 4 carbon atoms, or a substituted or unsubstituted alkylthio group having 1 to 4 carbon atoms, A1 and A2 are each independently hydrogen, an aryl group including a ring that includes at least six members, or a heteroaryl group including a ring that includes at least five members, at least one of A1 and A2 being an aryl group including a ring that includes at least six members or a heteroaryl group including a ring that includes at least five members, and A3 is an aryl group including a ring that includes at least six members or a heteroaryl group including a ring that includes at least five members.
    Type: Application
    Filed: July 21, 2021
    Publication date: February 10, 2022
    Inventors: Hye Yun PARK, Yoshiaki OBANA, Kouji IINO, Rieko HAMADA, Hiroshi MORITA, Jun Won HAN
  • Patent number: 11211409
    Abstract: A solid-state imaging device includes a first electrode, a second electrode, and a photoelectric conversion film that is formed between the first electrode and the second electrode and includes an organic semiconductor and an inorganic material.
    Type: Grant
    Filed: March 3, 2020
    Date of Patent: December 28, 2021
    Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Norikazu Nakayama, Hideki Ono, Yoshiaki Obana, Nobuyuki Matsuzawa
  • Publication number: 20210366965
    Abstract: A photoelectric conversion element including a first electrode and a second electrode that are disposed to face each other and a photoelectric conversion layer that is provided between the first electrode and the second electrode. The photoelectric conversion layer contains at least a subphthalocyanine or a subphthalocyanine derivative, and a carrier dopant, in which the carrier dopant has a concentration of less than 1% by volume ratio to the subphthalocyanine or the subphthalocyanine derivative.
    Type: Application
    Filed: August 4, 2021
    Publication date: November 25, 2021
    Inventors: YU KATO, ICHIRO TAKEMURA, YOSHIAKI OBANA, NOBUYUKI MATSUZAWA
  • Publication number: 20210320149
    Abstract: A photoelectric conversion element according to an embodiment of the present disclosure includes: a first electrode and a second electrode facing each other; and a photoelectric conversion layer provided between the first electrode and the second electrode, and including a first organic semiconductor material, a second organic semiconductor material, and a third organic semiconductor material that have mother skeletons different from one another. The first organic semiconductor material is one of fullerenes and fullerene derivatives. The second organic semiconductor material in a form of a single-layer film has a higher linear absorption coefficient of a maximal light absorption wavelength in a visible light region than a single-layer film of the first organic semiconductor material and a single-layer film of the third organic semiconductor material. The third organic semiconductor material has a value equal to or higher than a HOMO level of the second organic semiconductor material.
    Type: Application
    Filed: June 3, 2021
    Publication date: October 14, 2021
    Applicant: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Yuta HASEGAWA, Nobuyuki MATSUZAWA, Yoshiaki OBANA, Ichiro TAKEMURA, Norikazu NAKAYAMA, Masami SHIMOKAWA, Tetsuji YAMAGUCHI, Iwao YAGI, Hideaki MOGI
  • Patent number: 11107849
    Abstract: A photoelectric conversion element according to an embodiment of the disclosure includes a first electrode and a second electrode that are disposed to face each other and a photoelectric conversion layer that is provided between the first electrode and the second electrode, and contains at least a subphthalocyanine or a subphthalocyanine derivative, and a carrier dopant, in which the carrier dopant has a concentration of less than 1% by volume ratio to the subphthalocyanine or the subphthalocyanine derivative.
    Type: Grant
    Filed: July 2, 2020
    Date of Patent: August 31, 2021
    Assignee: SONY CORPORATION
    Inventors: Yu Kato, Ichiro Takemura, Yoshiaki Obana, Nobuyuki Matsuzawa
  • Publication number: 20210257561
    Abstract: There is provided a photoelectric conversion film including a quinacridone derivative represented by the following General formula and a subphthalocyanine derivative represented by the following General formula.
    Type: Application
    Filed: April 28, 2021
    Publication date: August 19, 2021
    Applicant: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Yoshiaki OBANA, Yuki NEGISHI, Yuta HASEGAWA, Ichiro TAKEMURA, Osamu ENOKI, Hideaki MOGI, Nobuyuki MATSUZAWA
  • Patent number: 11056539
    Abstract: A photoelectric conversion element according to an embodiment of the present disclosure includes: a first electrode and a second electrode facing each other; and a photoelectric conversion layer provided between the first electrode and the second electrode, and including a first organic semiconductor material, a second organic semiconductor material, and a third organic semiconductor material that have mother skeletons different from one another. The first organic semiconductor material is one of fullerenes and fullerene derivatives. The second organic semiconductor material in a form of a single-layer film has a higher linear absorption coefficient of a maximal light absorption wavelength in a visible light region than a single-layer film of the first organic semiconductor material and a single-layer film of the third organic semiconductor material. The third organic semiconductor material has a value equal to or higher than a HOMO level of the second organic semiconductor material.
    Type: Grant
    Filed: July 3, 2019
    Date of Patent: July 6, 2021
    Assignee: Sony Semiconductor Solutions Corporation
    Inventors: Yuta Hasegawa, Nobuyuki Matsuzawa, Yoshiaki Obana, Ichiro Takemura, Norikazu Nakayama, Masami Shimokawa, Tetsuji Yamaguchi, Iwao Yagi, Hideaki Mogi
  • Patent number: 11018308
    Abstract: There is provided a photoelectric conversion film including a quinacridone derivative represented by the following General formula and a subphthalocyanine derivative represented by the following General formula.
    Type: Grant
    Filed: November 18, 2019
    Date of Patent: May 25, 2021
    Assignee: Sony Semiconductor Solutions Corporation
    Inventors: Yoshiaki Obana, Yuki Negishi, Yuta Hasegawa, Ichiro Takemura, Osamu Enoki, Hideaki Mogi, Nobuyuki Matsuzawa
  • Publication number: 20210082989
    Abstract: A photoelectric conversion element includes a first electrode and a second electrode that are oppositely disposed and a photoelectric conversion layer that is provided between the first electrode and the second electrode, and includes a high-molecular semiconductor material and a low-molecular material. The high-molecular semiconductor material has an absorption coefficient in a visible light region of 50000 cm?1 or less. The low-molecular material includes an absorption peak in a wavelength range corresponding to one color in the visible light region.
    Type: Application
    Filed: November 23, 2020
    Publication date: March 18, 2021
    Inventors: YOSUKE SAITO, YOSHIAKI OBANA, NOBUYUKI MATSUZAWA
  • Patent number: 10879314
    Abstract: A photoelectric conversion element according to one embodiment of the disclosure includes: a first electrode and a second electrode that are oppositely disposed; and a photoelectric conversion layer that is provided between the first electrode and the second electrode, and includes a high-molecular semiconductor material and a low-molecular material. The high-molecular semiconductor material has an absorption coefficient in a visible light region of 50000 cm?1 or less. The low-molecular material includes an absorption peak in a wavelength range corresponding to one color in the visible light region.
    Type: Grant
    Filed: August 9, 2016
    Date of Patent: December 29, 2020
    Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Yosuke Saito, Yoshiaki Obana, Nobuyuki Matsuzawa
  • Publication number: 20200335541
    Abstract: A photoelectric conversion element according to an embodiment of the disclosure includes a first electrode and a second electrode that are disposed to face each other and a photoelectric conversion layer that is provided between the first electrode and the second electrode, and contains at least a subphthalocyanine or a subphthalocyanine derivative, and a carrier dopant, in which the carrier dopant has a concentration of less than 1% by volume ratio to the subphthalocyanine or the subphthalocyanine derivative.
    Type: Application
    Filed: July 2, 2020
    Publication date: October 22, 2020
    Inventors: YU KATO, ICHIRO TAKEMURA, YOSHIAKI OBANA, NOBUYUKI MATSUZAWA
  • Patent number: 10727262
    Abstract: A photoelectric conversion element according to an embodiment of the disclosure includes a first electrode and a second electrode that are disposed to face each other and a photoelectric conversion layer that is provided between the first electrode and the second electrode, and contains at least a subphthalocyanine or a subphthalocyanine derivative, and a carrier dopant, in which the carrier dopant has a concentration of less than 1% by volume ratio to the subphthalocyanine or the subphthalocyanine derivative.
    Type: Grant
    Filed: December 27, 2016
    Date of Patent: July 28, 2020
    Assignee: SONY CORPORATION
    Inventors: Yu Kato, Ichiro Takemura, Yoshiaki Obana, Nobuyuki Matsuzawa