And Yukihito IIJIMA, professor emeritus at Tokyo University of Marine Science and Technology, criticized the changing tides theory by also asserting the view that tidal speed has no effect on the relative velocity of ships riding the same current.
飯島幸人東京商船大学名誉教授も船同士の相対運動に潮流は関係ないとして潮流説に否定的な見解を述べている。