Patents by Inventor Shimpei Okamoto

Shimpei Okamoto 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: 12295182
    Abstract: A solar cell comprising a semiconductor substrate, first semiconductor layers, second semiconductor layers, a band-like first base electrode stacked on the first semiconductor layer, a band-like second base electrode stacked on the second semiconductor layer, a first electrode insulation stacked on the first base electrodes, a second electrode insulation stacked on the second base electrodes, an intermediate insulation stacked on a region of the first semiconductor layer in which the first base electrode is not stacked, and a region of the second semiconductor layer in which the second base electrode is not stacked, a first current collector stacked to span the second electrode insulation and the intermediate insulation, and a second current collector stacked to span the first electrode insulation and the intermediate insulation.
    Type: Grant
    Filed: November 23, 2022
    Date of Patent: May 6, 2025
    Assignee: KANEKA CORPORATION
    Inventors: Junichi Nakamura, Shimpei Okamoto
  • Patent number: 12218259
    Abstract: A solar cell capable of preventing short-circuiting during signaling connection and a method for manufacturing the solar cell. A solar cell includes a semiconductor substrate, a first semiconductor layer having a conductivity type different from that of the semiconductor substrate. The first semiconductor layer includes a main functional portion which has a first base end portion on one side in a first direction of the semiconductor substrate over an entire length in a second direction and a plurality of first collecting portions extending from the first base end portion toward the other side in the first direction and on which a first electrode pattern is stacked, and an isolation portion which is formed linearly at an end portion on the other side in the first direction of the semiconductor substrate over an entire length in the second direction and on which the first electrode pattern is not stacked.
    Type: Grant
    Filed: February 1, 2023
    Date of Patent: February 4, 2025
    Assignee: KANEKA CORPORATION
    Inventors: Shimpei Okamoto, Junichi Nakamura
  • Patent number: 12148844
    Abstract: A solar battery module having high photoelectric conversion efficiency and superior aesthetic appearance. A solar battery module comprises a plate-shaped front-surface protection material having, on an exterior peripheral part, a light-blocking region that blocks light; a plurality of solar battery strings each having a plurality of solar battery cells that are aligned in one line in a first direction and connected, the plurality of solar battery strings being positioned aligned in a second direction that intersects with the first direction on the back side of the front-surface protection material; a plate-shaped or sheet-shaped back-surface protection material positioned on the back side of the plurality of solar battery strings; and a sealing material filled between the front-surface protection material and the back-surface protection material. The solar battery strings are arranged so that a portion of at least one end of the solar battery cells overlaps with the light-blocking region.
    Type: Grant
    Filed: January 19, 2023
    Date of Patent: November 19, 2024
    Assignee: KANEKA CORPORATION
    Inventors: Junichi Nakamura, Shimpei Okamoto
  • Publication number: 20230178665
    Abstract: A solar cell capable of preventing short-circuiting during signaling connection and a method for manufacturing the solar cell. A solar cell includes a semiconductor substrate, a first semiconductor layer having a conductivity type different from that of the semiconductor substrate. The first semiconductor layer includes a main functional portion which has a first base end portion on one side in a first direction of the semiconductor substrate over an entire length in a second direction and a plurality of first collecting portions extending from the first base end portion toward the other side in the first direction and on which a first electrode pattern is stacked, and an isolation portion which is formed linearly at an end portion on the other side in the first direction of the semiconductor substrate over an entire length in the second direction and on which the first electrode pattern is not stacked.
    Type: Application
    Filed: February 1, 2023
    Publication date: June 8, 2023
    Applicant: KANEKA CORPORATION
    Inventors: Shimpei OKAMOTO, Junichi Nakamura
  • Publication number: 20230088906
    Abstract: A solar cell comprising a semiconductor substrate, first semiconductor layers, second semiconductor layers, a band-like first base electrode stacked on the first semiconductor layer, a band-like second base electrode stacked on the second semiconductor layer, a first electrode insulation stacked on the first base electrodes, a second electrode insulation stacked on the second base electrodes, an intermediate insulation stacked on a region of the first semiconductor layer in which the first base electrode is not stacked, and a region of the second semiconductor layer in which the second base electrode is not stacked, a first current collector stacked to span the second electrode insulation and the intermediate insulation, and a second current collector stacked to span the first electrode insulation and the intermediate insulation.
    Type: Application
    Filed: November 23, 2022
    Publication date: March 23, 2023
    Applicant: KANEKA CORPORATION
    Inventors: Junichi NAKAMURA, Shimpei OKAMOTO
  • Publication number: 20210114967
    Abstract: A resist composition for pattern printing contains a binder, a filler, a thickener, and a polyfunctional (meth)acrylate. The resist composition does not contain a photoinitiator. The resist composition also contains photocatalytic titanium oxide. A method for forming a pattern includes a resist composition that is pattern-wise printed, and then the resist composition is irradiated with an actinic radiation such that seepage of the resist component from an end of the pattern during the pattern formation using the resist composition is suppressed and the seepage portion is decomposed. As a result, it is possible to drastically reduce the seepage without impairing the rheology of the resist composition and additionally, to remove a slightly seeping portion without requiring, for example, a harmful ozone treatment or the like.
    Type: Application
    Filed: December 28, 2020
    Publication date: April 22, 2021
    Applicant: KANEKA CORPORATION
    Inventors: Hitoshi TAMAI, Masanori KANEMATSU, Shimpei OKAMOTO
  • Publication number: 20210103216
    Abstract: A resist composition for pattern printing contains a resin (A) component that contains a combination of at least two or more types of amino group-containing resins each containing an amino group of different amine numbers respectively, the entire resin (A) component having an amine number of 1.5 to 10.0, a compound (B) component that generates an amine by means of moisture and/or light, a thickener (C) component, and a diluent (D) component. The resist composition has high resistance to an alkaline etchant, can be easily peeled off by an aqueous acid solution, and enables a protective pattern to be formed by printing.
    Type: Application
    Filed: December 17, 2020
    Publication date: April 8, 2021
    Applicant: KANEKA CORPORATION
    Inventors: Hitoshi TAMAI, Yuji TAKAHASHI, Shimpei OKAMOTO, Kunihiro NAKANO
  • Patent number: 10373732
    Abstract: A transparent electrode film includes a transparent electrode disposed on a transparent film base, wherein the transparent electrode contains a transparent conductive layer and a conductive metal pattern layer. The conductive metal pattern layer is patterned in the in-plane direction of the transparent film base. The transparent conductive layer and a protecting layer are disposed in a region where the conductive metal pattern layer is provided, and the conductive metal pattern layer is disposed closer to the transparent film base than the transparent conductive layer and the protecting layer. The protecting layer includes at least one selected from the group consisting of a precious metal and a metal oxide. The transparent electroconductive layer is also disposed at opening sections where the electroconductive metal pattern layer is absent.
    Type: Grant
    Filed: July 13, 2016
    Date of Patent: August 6, 2019
    Assignee: Kaneka Corporation
    Inventors: Shimpei Okamoto, Junichi Nakamura, Yuji Takahashi, Takahisa Fujimoto, Takayoshi Kushizaki, Hitoshi Tamai
  • Publication number: 20180204651
    Abstract: A transparent electrode film includes a transparent electrode disposed on a transparent film base, wherein the transparent electrode contains a transparent conductive layer and a conductive metal pattern layer. The conductive metal pattern layer is patterned in the in-plane direction of the transparent film base. The transparent conductive layer and a protecting layer are disposed in a region where the conductive metal pattern layer is provided, and the conductive metal pattern layer is disposed closer to the transparent film base than the transparent conductive layer and the protecting layer. The protecting layer includes at least one selected from the group consisting of a precious metal and a metal oxide. The transparent electroconductive layer is also disposed at opening sections where the electroconductive metal pattern layer is absent.
    Type: Application
    Filed: July 13, 2016
    Publication date: July 19, 2018
    Applicant: Kaneka Corporation
    Inventors: Shimpei Okamoto, Junichi Nakamura, Yuji Takahashi, Takahisa Fujimoto, Takayoshi Kushizaki, Hitoshi Tamai