Oshima Shipbuilding

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Ōshima Shipbuilding Co., Ltd.
Private company limited by shares
Industry Shipbuilding
Founded February 7, 1973[1]
Headquarters Oshima, Saikai, Nagasaki, Japan[1]
Key people
President Sho Minami[1]
Products Bulk carriers
Revenue 61,900,000,000 Yen (Fiscal 2003)[1]
Number of employees
975 permanent, 660 subcontracted[1]
Website http://www.osy.co.jp/english/

Oshima Shipbuilding Co., Ltd. is a privately held Japanese shipbuilding company. The company was founded on February 7, 1973 and began operations in June 1974.[1][2] It is a joint venture between Sumitomo Corporation, Sumitomo Heavy Industries, and the Daizo Corporation.[2]


Oshima launched its first ship in 1975.[2] The disruptions in the oil industry of the 1970s caused the company difficulties.[2] Between 1975 and 1979 Oshima reduced its workforce from 1,800 to 785.[2] In response, the company repositioned itself to specialize in building handymax and panamax bulk carriers.[2]

The company has built 400 bulk carriers and delivers about 25 new ships annually to a worldwide client base.[1] As of 2003, the company has annual revenues of 61,900,000,000 Yen and a staff of 975 full-time employees.[1] An additional 660 workers work for Oshima on a subcontracting basis.[1]


Oshima also built Japan's Fukuoka Dome

The company specializes in building bulk carriers. It has a number of standard designs, featuring bulkers with capacities from 33,000 tonnes deadweight (DWT) to 82,000 DWT in the handysize, handymax, and panamax size classes.[3] The company also has a line of specialized coal carriers with capacities from 86,000 DWT to 106,000 DWT.[3] Some of the handymax-sized vessels have optional open and semi-open hatch configurations.[3]

The company provides three hull options: single-hull, double-hull, and its own proprietary "Hy-Con" or hybrid hull configuration.[3] Single hulls are available on the smallest and largest of the vessels.[3] Double hulls are available on the smallest 33,000 DWT and all vessels from 52,000 DWT to 96,000 DWT.[3] The Hy-Con configuration is available on ships in the 52,000 DWT to 82,000 DWT range.[3]

The Hy-Con design was developed to increase safety and the efficiency of cargo handling on bulkers.[4] This design starts as a standard single-hulled ship.[4] Then, the forward and aft holds are built up to double-hull structures.[4]

Oshima has built a number of other types of ships. The list includes self-unloading bulkers, wood-chip carriers, car carriers, oil tankers, and submersible heavy-lift vessels.[5] The company has also built other large structures, including the Oshima Bridge and the Fukuoka Dome.[5]


  1. ^ a b c d e f g h i Oshima Shipbuilding Co. 2006, The Company.
  2. ^ a b c d e f Oshima Shipbuilding Co. 2006, Home Page.
  3. ^ a b c d e f g Oshima Shipbuilding Co. 2006, Oshima Bulkers.
  4. ^ a b c Oshima Shipbuilding Co. 2006, Hy-Con Bulker.
  5. ^ a b Oshima Shipbuilding Co. 2006, Other Products.


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