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: 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
  • Patent number: 10720471
    Abstract: A photoelectric conversion device of an embodiment of the technology includes: a first electrode and a second electrode facing each other; a photoelectric conversion layer provided between the first electrode and the second electrode; and a buffer layer provided between the first electrode and the photoelectric conversion layer, and having an interface, to which an organic molecule or a halogen element is coordinated, with the photoelectric conversion layer.
    Type: Grant
    Filed: August 16, 2016
    Date of Patent: July 21, 2020
    Assignee: Sony Corporation
    Inventors: Michinori Shiomi, Syuuiti Takizawa, Takeru Bessho, Hideki Ono, Yosuke Saito, Yoshiaki Obana, Daisuke Hobara
  • Publication number: 20200203435
    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: March 3, 2020
    Publication date: June 25, 2020
    Inventors: NORIKAZU NAKAYAMA, HIDEKI ONO, YOSHIAKI OBANA, NOBUYUKI MATSUZAWA
  • Patent number: 10672994
    Abstract: There is provided a photoelectric conversion film including a quinacridone derivative represented by the following General formula (1) and a subphthalocyanine derivative represented by the following General formula (2).
    Type: Grant
    Filed: April 8, 2015
    Date of Patent: June 2, 2020
    Assignee: Sony Semiconductor Solutions Corporation
    Inventors: Yoshiaki Obana, Yuki Negishi, Yuta Hasegawa, Ichiro Takemura, Osamu Enoki, Hideaki Mogi, Nobuyuki Matsuzawa
  • Publication number: 20200161566
    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: November 18, 2019
    Publication date: May 21, 2020
    Applicant: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Yoshiaki OBANA, Yuki NEGISHI, Yuta HASEGAWA, Ichiro TAKEMURA, Osamu ENOKI, Hideaki MOGI, Nobuyuki MATSUZAWA
  • Publication number: 20200131202
    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: October 30, 2019
    Publication date: April 30, 2020
    Applicant: ADEKA CORPORATION
    Inventors: Yoshiaki OBANA, Hyeyun PARK, Sujin KWON, Shiyong YI, Junwon HAN, Hiroshi MORITA, Rieko HAMADA, Kouji IINO
  • Publication number: 20200131700
    Abstract: Provided are: a rubber article-reinforcing steel cord having excellent corrosion resistance; and a method of producing the same with excellent productivity. In a rubber article-reinforcing steel cord (1), plural sheath strands (3) each formed by twisting together plural steel filaments are twisted together around at least one core strand (2) formed by twisting together plural steel filaments. Brass plating is performed on the steel filaments, and zinc plating is further performed on at least the outer circumference of the brass plating of outermost-layer steel filaments of the sheath strands (3).
    Type: Application
    Filed: December 27, 2019
    Publication date: April 30, 2020
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Naohiko OBANA, Yoshiaki OONO
  • Patent number: 10608050
    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: August 3, 2016
    Date of Patent: March 31, 2020
    Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Norikazu Nakayama, Hideki Ono, Yoshiaki Obana, Nobuyuki Matsuzawa
  • Publication number: 20200006435
    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: July 3, 2019
    Publication date: January 2, 2020
    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: 10522772
    Abstract: A photoelectric conversion element according to an embodiment of the present disclosure includes a first electrode and a second electrode opposed to each other; and a photoelectric conversion layer provided between the first electrode and the second electrode, and including a first organic semiconductor material and a second semiconductor material that have mutually different mother skeletons, in which the first organic semiconductor material is fullerene or a fullerene derivative, and the second organic semiconductor material has a deeper HOMO level than the first organic semiconductor material.
    Type: Grant
    Filed: June 8, 2017
    Date of Patent: December 31, 2019
    Assignee: Sony Semiconductor Solutions Corporation
    Inventors: Nobuyuki Matsuzawa, Yuta Hasegawa, Yoshiaki Obana, Ichiro Takemura, Tetsuji Yamaguchi, Osamu Enoki
  • Patent number: 10374015
    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: May 19, 2016
    Date of Patent: August 6, 2019
    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: 20190229151
    Abstract: A photoelectric conversion element according to an embodiment of the present disclosure includes a first electrode and a second electrode opposed to each other; and a photoelectric conversion layer provided between the first electrode and the second electrode, and including a first organic semiconductor material and a second semiconductor material that have mutually different mother skeletons, in which the first organic semiconductor material is fullerene or a fullerene derivative, and the second organic semiconductor material has a deeper HOMO level than the first organic semiconductor material.
    Type: Application
    Filed: June 8, 2017
    Publication date: July 25, 2019
    Applicant: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Nobuyuki MATSUZAWA, Yuta HASEGAWA, Yoshiaki OBANA, Ichiro TAKEMURA, Tetsuji YAMAGUCHI, Osamu ENOKI
  • Patent number: 10312457
    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: July 10, 2017
    Date of Patent: June 4, 2019
    Assignee: Sony Semiconductors Solutions Corporation
    Inventors: Yoshiaki Obana, Yuki Negishi, Yuta Hasegawa, Ichiro Takemura, Osamu Enoki, Hideaki Mogi, Nobuyuki Matsuzawa
  • Publication number: 20190081251
    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: March 14, 2017
    Publication date: March 14, 2019
    Applicant: SONY CORPORATION
    Inventors: Yoshiaki OBANA, Yosuke SAITO, Norikazu NAKAYAMA, Yuki NEGISHI, Yuta HASEGAWA, Ichiro TAKEMURA, Osamu ENOKI, Nobuyuki MATSUZAWA
  • Publication number: 20190013342
    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: December 27, 2016
    Publication date: January 10, 2019
    Inventors: YU KATO, ICHIRO TAKEMURA, YOSHIAKI OBANA, NOBUYUKI MATSUZAWA
  • Publication number: 20180366519
    Abstract: A photoelectric conversion device 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 having head (Head)-to-tail (Tail) coupling regioregularity of 95% or more represented by a formula (1) and a second organic semiconductor having head-to-tail coupling regioregularity of 75% or more but less than 95% represented by the formula (1),
    Type: Application
    Filed: December 13, 2016
    Publication date: December 20, 2018
    Inventors: YOSUKE SAITO, YOSHIAKI OBANA, NOBUYUKI MATSUZAWA, MAKOTO HIRATA
  • Publication number: 20180350881
    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: August 3, 2016
    Publication date: December 6, 2018
    Inventors: NORIKAZU NAKAYAMA, HIDEKI ONO, YOSHIAKI OBANA, NOBUYUKI MATSUZAWA
  • Publication number: 20180294315
    Abstract: A photoelectric conversion device of an embodiment of the technology includes: a first electrode and a second electrode facing each other; a photoelectric conversion layer provided between the first electrode and the second electrode; and a buffer layer provided between the first electrode and the photoelectric conversion layer, and having an interface, to which an organic molecule or a halogen element is coordinated, with the photoelectric conversion layer.
    Type: Application
    Filed: August 16, 2016
    Publication date: October 11, 2018
    Applicant: SONY CORPORATION
    Inventors: Michinori SHIOMI, Syuuiti TAKIZAWA, Takeru BESSHO, Hideki ONO, Yosuke SAITO, Yoshiaki OBANA, Daisuke HOBARA
  • Publication number: 20180233540
    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: Application
    Filed: August 9, 2016
    Publication date: August 16, 2018
    Inventors: YOSUKE SAITO, YOSHIAKI OBANA, NOBUYUKI MATSUZAWA