Date and Time November 17, 2020 (Tuesday) to September 2, 2021 (Thursday) 2. Location Tokyo Wan Vessel Traffic Service Center (Place: Naka-ku, Yokohama City, Kanagawa Prefecture) 3. Contents and results of the field trials In cooperation with the Japan Coast Guard, Fujitsu conducted statistical and quantitative evaluations in the Tokyo Bay area of the effectiveness of its collision risk detection technology by comparing cases where the new technology has been applied with cases where it had not been applied. After a fixed evaluation period, Fujitsu confirmed that unnecessary alerts could be reduced by approximately 90% in comparison to conventional technology for all sea routes including sea routes with curved sections. In addition, Fujitsu conducted a collation analysis of the operational records for the actual maritime traffic control operations of the Tokyo Wan Vessel Traffic Service Center which manages maritime traffic control services.