Patents by Inventor Naomichi KANEI

Naomichi KANEI 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: 12029052
    Abstract: A solar cell module includes a first substrate and a plurality of photoelectric conversion elements disposed on the first substrate. Each of the plurality of photoelectric conversion elements includes a first electrode, an electron transport layer, a perovskite layer, a hole transport layer, and a second electrode. In at least two of the photoelectric conversion elements adjacent to each other, the hole transport layers are extended continuous layers; and the first electrodes, the electron transport layers, and the perovskite layers in the at least two of the photoelectric conversion elements adjacent to each other are separated by the hole transport layer. The hole transport layer includes, as hole transport material, a polymer having a weight average molecular weight of 2,000 or more or a compound having a molecular weight of 2,000 or more.
    Type: Grant
    Filed: July 15, 2020
    Date of Patent: July 2, 2024
    Assignee: Ricoh Company, Ltd.
    Inventors: Tamotsu Horiuchi, Takahiro Ide, Yuuji Tanaka, Nozomu Tamoto, Naomichi Kanei, Masana Shiba
  • Publication number: 20230352250
    Abstract: A photoelectric conversion element including: first support; first electrode; electron-transporting layer; photoelectric conversion layer; hole-transporting layer; and second electrode, the hole-transporting layer including polymer including recurring unit of General Formula (1) below and compound of General Formula (2): where Ar1 represents aromatic hydrocarbon, which may have substituent; Ar2 and Ar3 each independently represent bivalent group of monocyclic aromatic hydrocarbon, non-condensed polycyclic aromatic hydrocarbon, or condensed polycyclic aromatic hydrocarbon, which may have substituent; Ar4 represents bivalent group of benzene, thiophene, biphenyl, anthracene, or naphthalene, which may have substituent; R1 to R4 each independently represent hydrogen, alkyl, or aryl; and n represents integer that is 2 or more and allows the polymer of General Formula (1) to have weight average molecular weight of 2,000 or more; and where R5 to R9, which may be identical or different, represent hydrogen, ha
    Type: Application
    Filed: March 12, 2021
    Publication date: November 2, 2023
    Applicant: Ricoh Company, Ltd.
    Inventors: Tamotsu Horiuchi, Nozomu Tamoto, Yuuji Tanaka, Naomichi Kanei, Takahiro Ide
  • Patent number: 11756743
    Abstract: A photoelectric conversion element may include a first substrate, a first transparent electrode disposed on the first substrate, a hole-blocking layer disposed on the first transparent electrode, an electron-transporting layer that is disposed on the hole-blocking layer and includes an electron-transporting semiconductor on a surface of which a photosensitizing compound is adsorbed, a hole-transporting layer that is connected to the electron-transporting layer and includes a hole-transporting material, and a second electrode disposed on the hole-transporting layer, wherein the photoelectric conversion element includes an output extraction terminal part configured to extract electricity out from the photoelectric conversion element, and the output extraction terminal part is formed with a plurality of micropores piercing through the hole-blocking layer.
    Type: Grant
    Filed: January 22, 2021
    Date of Patent: September 12, 2023
    Assignee: RICOH COMPANY, LTD.
    Inventors: Tsuyoshi Matsuyama, Yuuji Tanaka, Tamotsu Horiuchi, Takahiro Ide, Tokushige Kino, Shigeyo Suzuki, Naomichi Kanei
  • Patent number: 11706938
    Abstract: Photoelectric conversion element including: substrate; first electrode; hole-blocking layer; photoelectric conversion layer; and second electrode, the photoelectric conversion layer including electron-transporting layer and hole-transporting layer, wherein in photoelectric conversion element edge part in direction orthogonal to stacking direction of the substrate, first electrode, hole-blocking layer, photoelectric conversion layer, and second electrode, electron-transporting layer outermost end is positioned inside than first electrode outermost end, hole-transporting layer outermost end is positioned outside than second electrode outermost end, and the second electrode outermost end is positioned inside than the electron-transporting layer outermost end, and height of edge part including the first electrode outermost end in the stacking direction is smaller than total of average thicknesses of first electrode, hole-blocking layer, and electron-transporting layer, where the height is distance between substra
    Type: Grant
    Filed: February 25, 2021
    Date of Patent: July 18, 2023
    Assignee: RICOH COMPANY, LTD.
    Inventors: Naomichi Kanei, Nozomu Tamoto, Yuuji Tanaka
  • Publication number: 20230189540
    Abstract: A solar cell module includes a first substrate and a plurality of photoelectric conversion elements disposed on the first substrate. Each of the plurality of photoelectric conversion elements includes a first electrode, an electron transport layer, a perovskite layer, a hole transport layer, and a second electrode. In at least two of the photoelectric conversion elements adjacent to each other, the hole transport layers are extended continuous layers; and the first electrodes, the electron transport layers, and the perovskite layers in the at least two of the photoelectric conversion elements adjacent to each other are separated by the hole transport layer. The hole transport layer includes, as hole transport material, a polymer having a weight average molecular weight of 2,000 or more or a compound having a molecular weight of 2,000 or more.
    Type: Application
    Filed: July 15, 2020
    Publication date: June 15, 2023
    Applicant: Ricoh Company, Ltd.
    Inventors: Tamotsu Horiuchi, Takahiro Ide, Yuuji Tanaka, Nozomu Tamoto, Naomichi Kanei, Masana Shiba
  • Publication number: 20230171975
    Abstract: A photoelectric conversion element includes: a first substrate; a first electrode; a photoelectric conversion layer; a second electrode; a sealing part; and a second substrate. The photoelectric conversion element is translucent. The second electrode includes a conductive nanowire and a conductive polymer. The sealing part includes a drying agent.
    Type: Application
    Filed: November 16, 2022
    Publication date: June 1, 2023
    Inventors: Yuuji TANAKA, Masato TANAKA, Nozomu TAMOTO, Naomichi KANEI
  • Publication number: 20230142134
    Abstract: [Summary] The present invention is to provide a photoelectric conversion element with excellent productivity, initial output performance and durability. [Tasks] A photoelectric conversion element in which a first substrate, a first electrode, a photoelectric conversion layer, a second electrode, and a second substrate are sequentially laminated, includes an adhesive layer surrounding at least the photoelectric conversion layer, wherein a clearance surrounding an outer edge of the adhesive layer is formed between the outer edge of the adhesive layer and an outer edge of the first substrate in a plan view.
    Type: Application
    Filed: October 27, 2022
    Publication date: May 11, 2023
    Inventors: Masato TANAKA, Yuuji TANAKA, Nozomu TAMOTO, Naomichi KANEI
  • Publication number: 20230134849
    Abstract: A photoelectric conversion element includes: a first electrode; a photoelectric conversion layer; and a second electrode. The photoelectric conversion element includes a scaling part disposed so as to cover at least side surfaces of the photoelectric conversion layer and the second electrode. The sealing part includes a pressure-sensitive adhesive.
    Type: Application
    Filed: September 29, 2022
    Publication date: May 4, 2023
    Inventors: Masato TANAKA, Yuuji TANAKA, Nozomu TAMOTO, Naomichi KANEI
  • Patent number: 11594382
    Abstract: Provided is a solar cell module including photoelectric conversion elements, wherein each of the photoelectric conversion elements includes a first substrate, and a first electrode, a hole blocking layer, an electron transport layer, a hole transport layer, a second electrode, and a second substrate on the first substrate, and a sealing member between the first substrate and the second substrate, and wherein, within at least two of the photoelectric conversion elements adjacent to each other, the hole-blocking layers are not extended to each other but the hole transport layers are in a state of a continuous layer where the hole transport layers are extended to each other.
    Type: Grant
    Filed: February 19, 2019
    Date of Patent: February 28, 2023
    Assignee: RICOH COMPANY, LTD.
    Inventors: Yuuji Tanaka, Tamotsu Horiuchi, Nozomu Tamoto, Takahiro Ide, Naomichi Kanei
  • Patent number: 11575095
    Abstract: Provided is a photoelectric conversion device including: a support; a charge-transporting layer including an organic charge-transporting material or a sensitizing dye electrode layer including an organic sensitizing dye, where the charge-transporting layer or the sensitizing dye electrode layer is disposed on the support; and a ceramic film disposed on the charge-transporting layer or the sensitizing dye electrode layer.
    Type: Grant
    Filed: January 22, 2019
    Date of Patent: February 7, 2023
    Assignee: Ricoh Company, Ltd.
    Inventors: Daisuke Kubo, Hidetoshi Kami, Suzuka Nozoe, Tomoharu Asano, Tetsuya Toshine, Nozomu Tamoto, Yuuji Tanaka, Naomichi Kanei
  • Publication number: 20220392714
    Abstract: A photoelectric conversion element including: a first substrate; a first electrode; a photoelectric conversion layer; a second electrode; and a second substrate, wherein the photoelectric conversion element includes a sealing part sealing at least the photoelectric conversion layer, the sealing part is disposed so as to surround periphery of the photoelectric conversion layer, and a width of the sealing part disposed at each side has a minimum width A and a maximum width B in a width direction, and a ratio (B/A) of the maximum width B to the minimum width A is 1.02 or more but 5.0 or less.
    Type: Application
    Filed: November 30, 2020
    Publication date: December 8, 2022
    Inventors: Naomichi KANEI, Tamotsu HORIUCHI, Yuuji TANAKA, Nozomu TAMOTO, Tetsuya HONDA
  • Patent number: 11522495
    Abstract: A photoelectric conversion module includes a substrate, a photoelectric conversion element mounted on the substrate, and a connector mounted on the substrate, the connector including a terminal that is electrically coupled to the photoelectric conversion element, wherein the connector is configured such that coupling the connector to a connector of another photoelectric conversion module causes the photoelectric conversion element to be electrically coupled to a photoelectric conversion element of the another photoelectric conversion module.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: December 6, 2022
    Assignee: Ricoh Company, Ltd.
    Inventors: Takahiro Ide, Naomichi Kanei
  • Patent number: 11502264
    Abstract: A photoelectric conversion element including: a first electrode; a hole blocking layer; a photoelectric conversion layer; a second electrode; a third electrode; a photoelectric conversion part in which the first electrode, the hole blocking layer, the photoelectric conversion layer, and the second electrode are stacked; an electrode contact part in which the second electrode is in contact with the third electrode; and a division part dividing the photoelectric conversion part and the electrode contact part, wherein an area (S1) where the second electrode is in contact with the third electrode in the electrode contact part and an area (S2) of the photoelectric conversion part satisfy expression (1) below: 1.0×10?5?100×(S1/S2) . . . expression (1).
    Type: Grant
    Filed: February 25, 2021
    Date of Patent: November 15, 2022
    Assignee: RICOH COMPANY, LTD.
    Inventors: Naomichi Kanei, Nozomu Tamoto, Yuuji Tanaka, Tamotsu Horiuchi
  • Publication number: 20220302399
    Abstract: A photoelectric conversion element includes a first electrode section; a second electrode section; an electron-transporting section between the first electrode section and the second electrode section; a light-absorbing section; and a hole-transporting section. The hole-transporting section has a peak that reaches maximum at a Raman shift of 1575 cm?1±10 cm?1 and a peak that reaches maximum at a Raman shift of 1606 cm ?1±10 cm?1 in a Raman spectrum obtained by emitting laser light having a wavelength of 532 nm; and has a peak intensity ratio A/B of 0.80 or more, the peak intensity ratio A/B being obtained from a maximum peak intensity A of the peak that reaches maximum at 1575 cm?1±10 cm?1 and a maximum peak intensity B of the peak that reaches maximum at 1606 cm?1±10 cm?1.
    Type: Application
    Filed: June 9, 2020
    Publication date: September 22, 2022
    Applicant: Ricoh Company, Ltd.
    Inventors: Nozomu Tamoto, Yuuji Tanaka, Tamotsu Horiuchi, Naomichi Kanei, Takahiro Ide, Yoshiaki Masuda
  • Publication number: 20220102651
    Abstract: Provided is a photoelectric conversion element including a first electrode, an electron-transporting layer, a hole-transporting layer, and a second electrode, wherein the hole-transporting layer includes a hole-transporting material, an alkali metal salt, and a hypervalent iodine compound.
    Type: Application
    Filed: January 30, 2020
    Publication date: March 31, 2022
    Applicant: Ricoh Company, Ltd.
    Inventors: Yuuji TANAKA, Tamotsu Horiuchi, Nozomu Tamoto, Naomichi Kanei, Takahiro lde, Tetsuya Honda, Masana Shiba
  • Publication number: 20210366662
    Abstract: A solar cell module (100) including: a substrate (1); and a plurality of photoelectric conversion elements disposed on the substrate (1), each of the plurality of photoelectric conversion elements including a first electrode (2a, 2b), an electron transport layer (3, 4), a perovskite layer (5), a hole transport layer (6), and a second electrode (7a, 7b), wherein, within at least two of the photoelectric conversion elements adjacent to each other, the hole transport layers (6) are continuous with each other, and the first electrodes (2a, 2b), the electron transport layers (3, 4), and the perovskite layers (5) are separated by the hole transport layer (6) within the at least two of the photoelectric conversion elements adjacent to each other.
    Type: Application
    Filed: September 25, 2019
    Publication date: November 25, 2021
    Inventors: Tamotsu HORIUCHI, Nozomu TAMOTO, Takahiro IDE, Yuuji TANAKA, Naomichi KANEI
  • Publication number: 20210296597
    Abstract: A photoelectric conversion element including: a first electrode; an electron-transporting layer; a hole-transporting layer; and a second electrode. The electron-transporting layer, the hole-transporting layer, and the second electrode are on or above the first electrode. The second electrode includes a charge-collecting layer. The charge-collecting layer includes a conductive nanowire and a conductive polymer that covers at least part of the conductive nanowire and is stacked on the hole-transporting layer.
    Type: Application
    Filed: March 17, 2021
    Publication date: September 23, 2021
    Inventors: Yuuji TANAKA, Nozomu TAMOTO, Naomichi KANEI, Masato TANAKA, Tamotsu HORIUCHI
  • Publication number: 20210280809
    Abstract: A photoelectric conversion element including: a first electrode; a hole blocking layer; a photoelectric conversion layer; a second electrode; a third electrode; a photoelectric conversion part in which the first electrode, the hole blocking layer, the photoelectric conversion layer, and the second electrode are stacked; an electrode contact part in which the second electrode is in contact with the third electrode; and a division part dividing the photoelectric conversion part and the electrode contact part, wherein an area (S1) where the second electrode is in contact with the third electrode in the electrode contact part and an area (S2) of the photoelectric conversion part satisfy expression (1) below: 1.0×10?5?100×(S1/S2) . . . expression (1).
    Type: Application
    Filed: February 25, 2021
    Publication date: September 9, 2021
    Applicant: Ricoh Company, Ltd.
    Inventors: Naomichi KANEI, Nozomu TAMOTO, Yuuji TANAKA, Tamotsu HORIUCHI
  • Publication number: 20210280810
    Abstract: A photoelectric conversion element including: a first electrode; a photoelectric conversion layer; and a second electrode, wherein the photoelectric conversion layer includes an electron-transporting layer and a hole-transporting layer, the electron-transporting layer includes a lithium ion, the hole-transporting layer includes an organic hole-transporting material and a lithium salt, and lithium included in the electron-transporting layer is more than lithium included in the hole-transporting layer.
    Type: Application
    Filed: February 25, 2021
    Publication date: September 9, 2021
    Inventors: Nozomu TAMOTO, Yuuji TANAKA, Naomichi KANEI, Tamotsu HORIUCHI, Suzuka NOZOE
  • Publication number: 20210273193
    Abstract: Photoelectric conversion element including: substrate; first electrode; hole-blocking layer; photoelectric conversion layer; and second electrode, the photoelectric conversion layer including electron-transporting layer and hole-transporting layer, wherein in photoelectric conversion element edge part in direction orthogonal to stacking direction of the substrate, first electrode, hole-blocking layer, photoelectric conversion layer, and second electrode, electron-transporting layer outermost end is positioned inside than first electrode outermost end, hole-transporting layer outermost end is positioned outside than second electrode outermost end, and the second electrode outermost end is positioned inside than the electron-transporting layer outermost end, and height of edge part including the first electrode outermost end in the stacking direction is smaller than total of average thicknesses of first electrode, hole-blocking layer, and electron-transporting layer, where the height is distance between substra
    Type: Application
    Filed: February 25, 2021
    Publication date: September 2, 2021
    Applicant: Ricoh Company, Ltd.
    Inventors: Naomichi KANEI, Nozomu TAMOTO, Yuuji TANAKA