ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,464,485, issued on Nov. 4, was assigned to NTT DOCOMO Inc. (Chiyoda-ku, Japan).
"Data correction device" was invented by Tomohiro Nakagawa (Chiyoda-ku, Japan), Takuya Doumen (Chiyoda-ku, Japan) and Kazuya Sasaki (Chiyoda-ku, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An object of the present invention is to appropriately correct data based on position data acquired by positioning. A data correction device 1 includes an information storage unit 11 that stores position information including position data acquired by positioning and positioning information relating to the positioning, a filter generation unit 13 that generates a filter on the basi...