US Patent Issued to Vehicle Energy Japan on April 14 for "Ultrasonic horn, secondary battery, and method for manufacturing secondary battery" (Japanese Inventors)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,599,986, issued on April 14, was assigned to Vehicle Energy Japan Inc. (Ibaraki, Japan).

"Ultrasonic horn, secondary battery, and method for manufacturing secondary battery" was invented by Hiroshi Yamanaka (Ibaraki, Japan) and Takeshi Nanaumi (Hitachinaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An ultrasonic horn reduces the likelihood of damaging a plurality of stacked sheets of metal foil when the stacked sheets and a metal member are ultrasonically bonded by applying ultrasonic vibration to the stacked sheets. An ultrasonic horn is used for ultrasonically bonding a plurality of stacked sheets of negative electrode foil and a negative ...