US Patent Issued to HITACHI CONSTRUCTION MACHINERY on Jan. 20 for "Work machine" (Japanese Inventors)

ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,529,203, issued on Jan. 20, was assigned to HITACHI CONSTRUCTION MACHINERY Co. LTD. (Tokyo).

"Work machine" was invented by Ryu Narikawa (Mito, Japan), Teppei Saitoh (Mito, Japan), Tadashi Kotani (Kashiwa, Japan), Koji Fujita (Tsukuba, Japan), Hideaki Ito (Katori, Japan), Hidefumi Ishimoto (Tsukuba, Japan) and Kei Sato (Toride, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Operations of an upper swing structure and a front work device are controlled such that a swing operation of the upper swing structure starts after a work tool starts only a lifting operation. The lifting operation and the swing operation are performed until the work tool reach...