ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,668, issued on May 20, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan) and IHI Corp. (Tokyo).
"Centrifugal compressor" was invented by Hiroyuki Okamoto (Seto, Japan), Masaya Tagawa (Toyota, Japan), Takato Hatano (Seto, Japan), Shigehiro Usuda (Miyoshi, Japan), Yusei Ogawa (Koto-ku, Japan), Toshifumi Terui (Koto-ku, Japan) and Shohei Sato (Koto-ku, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A centrifugal compressor includes a compressor housing accommodating an impeller, and a casing treatment. The compressor housing include an air introduction hole through which air is introduced toward the impeller, an annular portion disposed inside ...