Yokohama Rubber Co. Ltd. (TYO:5101) President Masataka Yamaishi has laid out plans to continue his company’s active focus on motorsport events this year, which marks the beginning of the company’s new medium-term management plan, “Grand Design 2020.” Yamaishi revealed his plans as part of an April 22 press conference at the Suzuka Circuit in Suzuka, Mie Prefecture, where the first…