ALEXANDRIA, Va., June 9 -- United States Patent no. 12,286,768, issued on April 29, was assigned to HITACHI CONSTRUCTION MACHINERY Co. LTD. (Tokyo).
"Work machine" was invented by Hiroaki Tanaka (Kasumigaura, Japan), Yusuke Suzuki (Tsukuba, Japan), Akihiro Narazaki (Tsukuba, Japan), Yasuhiko Kanari (Kasumigaura, Japan) and Hiroshi Sakamoto (Kashiwa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention of the present application has as its object the provision of a work machine that is equipped with a function to prevent a work device thereof from going into an entry prohibited area and can satisfy both working precision and working efficiency of the work device. A controller is therefore config...