Patents by Inventor Yuuki Sakitou

Yuuki Sakitou 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).

  • Alkaline storage cell and method for manufacturing alkaline storage cell
    Patent number: 9225017
    Abstract: An alkaline storage cell comprises a positive electrode including a cobalt additive and nickel hydroxide particles that have been covered by a cobalt compound film layer, and a negative electrode including a hydrogen-absorbing alloy that contains nickel and cobalt. The positive electrode has a capacitance V, the negative electrode has a capacitance W, the cobalt additive is cobalt metal or a cobalt compound, the positive electrode contains X mass % of the cobalt additive, the cobalt is included by Y mass % in the hydrogen-absorbing alloy, and X, Y, V, and W satisfy the relationship 1.1?(X/Y)×(W/V)?1.91.
    Type: Grant
    Filed: May 30, 2012
    Date of Patent: December 29, 2015
    Assignee: PRIMEARTH EV ENERGY CO., LTD.
    Inventors: Yuuki Sakitou, Hiroyuki Sakamoto
  • ALKALINE STORAGE CELL AND METHOD FOR MANUFACTURING ALKALINE STORAGE CELL
    Publication number: 20140004424
    Abstract: An alkaline storage cell comprises a positive electrode including a cobalt additive and nickel hydroxide particles that have been covered by a cobalt compound film layer, and a negative electrode including a hydrogen-absorbing alloy that contains nickel and cobalt. The positive electrode has a capacitance V, the negative electrode has a capacitance W, the cobalt additive is cobalt metal or a cobalt compound, the positive electrode contains X mass % of the cobalt additive, the cobalt is included by Y mass % in the hydrogen-absorbing alloy, and X, Y, V, and W satisfy the relationship 1.1?(X/Y)×(W/V)?1.91.
    Type: Application
    Filed: May 30, 2012
    Publication date: January 2, 2014
    Applicant: PRIMEARTH EV ENERGY CO., LTD.
    Inventors: Yuuki Sakitou, Hiroyuki Sakamoto