ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,503,209, issued on Dec. 23, was assigned to RICOH COMPANY LTD. (Tokyo).
"Buoyancy adjuster and orientation adjustment system" was invented by Atsushi Kikuchi (Kanagawa, Japan) and Kazuhiro Koseki (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A buoyancy adjuster includes: a buoyant portion detachably attached to a target object including a housing portion having a positive buoyancy, the buoyant portion having a neutral or negative buoyancy; and an orientation adjuster detachably attachable to the buoyant portion, the orientation adjuster configured to adjust orientation of the target object in a fluid. The orientation adjuster includes ...