|August, 1946||Established in Takanawa-Minami-cho by Tokyu Corporation.|
|February, 1948||Built bulk carrier; Asama maru, Amagi maru, Atago maru, Amazon maru,
Akaiwa maru and Azumaya maru.
|August, 1965||Built our first large tanker; Tama maru.|
|August, 1967||Built our first ore bulk carrier Shinkyoku Maru, Harima maru, Kounan maru, Kyokusho maru, Oyashima maru.|
|July, 1987||We transferred to Kobelco.(Kobe Steel,Ltd.group)
(Kobe Steel,Ltd. and NIPPON YUSEN KAISHA(NYK LINE) bought our stocks from Tokyu Corporation. Kobe Steel,Ltd. and NYK LINE were top shareholders.)
|December, 1997||Moved the head office to Kaigan, Minato-Ku, Tokyo.|
|December, 1997||Acquired Document of Compliance (DOC) settled by International Safety Management code (ISM).|
|January, 1998||Obtained ISO9002:1994.|
|November, 1998||Started managing and controlling vessels.|
|September, 2002||NYK LINE became top shareholder.
(NYK LINE bought our stocks 70% of Kobe Steel,Ltd.'s)
|December, 2003||Obtained ISO9001:2000.|
|October, 2011||Head office remove from Kaigan,Minatoku,Tokyo to Hamamatsucho,Minatoku,Tokyo.|
|July, 2014||Head office remove from Hamamatsucho, Minatoku, Tokyo to Nishishinbashi, Minatoku, Tokyo.|