Patents by Inventor Eiichi Isono

Eiichi Isono 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).

  • Welded structure in battery, forming method of the same, secondary battery cell and secondary battery module
    Patent number: 9722218
    Abstract: A plating layer 4 is formed on a surface of a battery cover 3, and a peripheral edge part 37b of a cover case 37 is arranged on an upper surface of the plating layer 4. A welding part 40 is formed at a tip part of the peripheral edge part 37b. The welding part 40 includes a melted part 41 in which the tip of the peripheral edge part 37b is melted, and an elution part 42 flowing from the tip onto the plating layer 4, and the melted part 41 and the elution part 42 are welded to the plating layer 4 in the upper surface of the plating layer 4.
    Type: Grant
    Filed: December 19, 2011
    Date of Patent: August 1, 2017
    Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Kohtaro Ikeda, Eiichi Isono, Shin Onose, Hayato Koguchi
  • WELDED STRUCTURE IN BATTERY, FORMING METHOD OF THE SAME, SECONDARY BATTERY CELL AND SECONDARY BATTERY MODULE
    Publication number: 20140349148
    Abstract: A plating layer 4 is formed on a surface of a battery cover 3, and a peripheral edge part 37b of a cover case 37 is arranged on an upper surface of the plating layer 4. A welding part 40 is formed at a tip part of the peripheral edge part 37b. The welding part 40 includes a melted part 41 in which the tip of the peripheral edge part 37b is melted, and an elution part 42 flowing from the tip onto the plating layer 4, and the melted part 41 and the elution part 42 are welded to the plating layer 4 in the upper surface of the plating layer 4.
    Type: Application
    Filed: December 19, 2011
    Publication date: November 27, 2014
    Inventors: Kohtaro Ikeda, Eiichi Isono, Shin Onose, Hayato Koguchi