Patents by Inventor Akimichi DEGAWA

Akimichi DEGAWA 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).

  • SEMICONDUCTOR DIODE
    Publication number: 20240258438
    Abstract: A semiconductor diode includes: a P-type semiconductor; an N-type semiconductor having a band gap smaller than a band gap of the P-type semiconductor; and an insulator provided between the P-type semiconductor and the N-type semiconductor, the insulator having a band gap larger than the band gap of the P-type semiconductor and the band gap of the N-type semiconductor, a difference between the band gap of the P-type semiconductor and the band gap of the N-type semiconductor is 1 eV or higher, and a difference between the band gap of the P-type semiconductor and the band gap the insulator is 1 eV or lower.
    Type: Application
    Filed: April 22, 2022
    Publication date: August 1, 2024
    Applicant: Power IV, Inc.
    Inventors: Junji NAKAJIMA, Akimichi DEGAWA, Jun-ichi OKAMURA
  • Secondary battery
    Patent number: 11777144
    Abstract: A secondary battery includes: a first electrode configured to function as a p-type semiconductor; a second electrode configured to function as an n-type semiconductor; and a solid electrolyte provided between the first electrode and the second electrode, the solid electrolyte contains a compound and polyethylene oxide, the compound has a perovskite structure.
    Type: Grant
    Filed: March 23, 2021
    Date of Patent: October 3, 2023
    Assignee: POWER IV, INC.
    Inventors: Junji Nakajima, Akimichi Degawa
  • SECONDARY BATTERY
    Publication number: 20210351403
    Abstract: A secondary battery includes: a first electrode configured to function as a p-type semiconductor; a second electrode configured to function as an n-type semiconductor; and a hole transfer member provided between the first electrode and the second electrode, the first electrode is a sputtered film or a vapor deposited film, the second electrode is a sputtered film or a vapor deposited film containing at least one of silicon and graphene, and the hole transfer member is a sputtered film or a vapor deposited film containing a dielectric material.
    Type: Application
    Filed: March 23, 2021
    Publication date: November 11, 2021
    Applicant: POWER IV, Inc.
    Inventors: Junji NAKAJIMA, Akimichi DEGAWA
  • SECONDARY BATTERY
    Publication number: 20210305626
    Abstract: A secondary battery includes: a first electrode configured to function as a p-type semiconductor; a second electrode configured to function as an n-type semiconductor; and a solid electrolyte provided between the first electrode and the second electrode, the solid electrolyte contains a compound and polyethylene oxide, the compound has a perovskite structure.
    Type: Application
    Filed: March 23, 2021
    Publication date: September 30, 2021
    Applicant: POWER IV, Inc.
    Inventors: Junji NAKAJIMA, Akimichi DEGAWA
  • SECONDARY BATTERY
    Publication number: 20200006753
    Abstract: A secondary battery includes: a first electrode, a second electrode, a separator containing a ceramic material, and an electrolyte, and the second electrode contains a silicon-containing substance having a particle diameter of from 30 to 200 nm, a multilayer graphene, a graphite material, and a binding agent.
    Type: Application
    Filed: August 2, 2018
    Publication date: January 2, 2020
    Inventors: Junji NAKAJIMA, Yoshimasa FUJIWARA, Akimichi DEGAWA