US Patent Issued to TOYOTA JIDOSHA, AISIN on Oct. 28 for "Drive unit" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,455,004, issued on Oct. 28, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan) and AISIN Corp. (Kariya, Japan).

"Drive unit" was invented by Marina Hirata (Toyota, Japan), Akitaka Ichikawa (Nisshin, Japan), Hiroshi Kawanishi (Nisshin, Japan), Tsukasa Sakamaki (Toyota, Japan), Shohei Nagata (Nisshin, Japan), Takayoshi Hanai (Kariya, Japan) and Teppei Yamashita (Kariya, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A drive unit may include a case comprising an electric motor chamber and a gear chamber; an electric motor comprising a rotor housed in the electric motor chamber; a specific gear housed in the gear chamber; lubricant stored in the elec...