| 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. |
| March, 2005 | Obtained SO14001:1996. |
| March, 2006 | Obtained ISO14001:2004. |
