1913 Baron Shinpachi Takahashi establishes the Sumidagawa Shipyard in Mukojima. He is the company's first president. Company is launched with Japan's first modern shipyard.
1914 President Takahashi obtains patent for the Takahashi design Tsukasa Maru-type hull form which he invented.
1923 Kisaburo Furunoya is appointed president.
1929 Builds the Miss Sumida. It achieves the then unprecedented speed of 44 knots per hour, making it a sensation.
1933 The Japan Motor Boat Association holds a race and the Miss Sumida earns high praise and accolades.
1937 The factory is designated by the Ministry of the Navy for mass production of gun boats, launchers, cutters, etc.
1941 A new factory is built in Samezu, Shinagawa-ku.
1945 Shinobu Suzuki is appointed president.
1949 Receives an order for two patrol boats from the Japan Coast Guard, which had been established the previous year.
1952 Shigeru Sugiura is appointed president.
1953 Tsunejiro Ishiwata is appointed president.
Manufactures the B-class runabout which is Japan's first FRP boat.
Receives an award from the Industrial Technology Research Association.
1955 Receives a large order (66 boats) from the Thai government for 30-foot fireboats.
1956 Obtains patents for FRP hull coverings.
1958 Builds a high-speed lifeboat for the Japan Defense Agency. Achieves a new world record with a speed of 45 knots/hour being recorded for a non-leisure boat.
1960 The fishery guidance and research vessel ordered by Ibaraki Prefecture is the first to adopt a lightweight structure V-type hull form and represents a pioneering step in the development of high-speed fishing vessels. Receives an additional order to build Japan's first water jet boat.
1961 Receives an order from Shima Kanko Kisen, a public corporation responsible for specified ship maintenance, to build the first lightweight structure V-type sightseeing boat.
Becomes a subsidiary of the Yokohama Warehouse Co., Ltd.
Shigeichi Suzue is appointed president.
1962 Yoshio Komurasaki is appointed president.
1965 Receives an order from the Osaka City Fire Department for the world's first lightweight structure catamaran type fireboat.
Builds and exhibits a 42-foot motor launch at the Motor Boat Show.
1969 Due to the construction of an expressway, head office and yard move from Mukojima, Sumida-ku, where the company had been operating for 56 years, to the current Shipbuilding Complex in Koto-ku, Tokyo. Establishes a system for the mass production of high-speed boats.
1972 Minoru Tanonaka is appointed president.
1973 Receives orders from Thailand, Philippines, other for rescue boats.
1978 Receives orders for a 160gt high-speed passenger ship from the Izu Hakone Railway and a 130gt high-tensile steel passenger boat from the Tokyo Metropolitan Sightseeing Steamship Co.
1979 Receives order from the Thai Customs Authority for a 34m all-aluminum alloy motor launch.
1982 Receives an order from the Indian government for seven units of 44m high- speed search and rescue boats. Of these, four were built by the company and three were completed in India using the PD method with technical transfer under the package deal system.
1989 Receives an order from Kumamoto Prefecture for a high tensile steel fishing control vessel (Aso).
This vessel is one of the largest patrol vessels operating in Japan.
When built
1990 Builds the 119 ton large scale fireboat (Miyakodori) for the Tokyo Fire Department, attracting attention for its elegant design.
1992 Minoru Tanonaka is appointed chairman.
Hiroshi Ishiwata is appointed president
1995 Builds the all-aluminum alloy guard boat (Takeyori) able to reach a speed of over 40 knots/hour.
1998 Builds a 37.6m coastal sportfishing boat (Captain No. 1). Sumidagawa Shipyard enjoys great media coverage.
1999 Builds the all-aluminum alloy guard boat (Soya) able to operate at a speed exceeding 45 knots/hour.
2000 Dispatches a maintenance team during the Okinawa Summit. Receives an award from the Japan Coast Guard for the company's achievements.
2001 Adds a 15 ton fixed jib crane to manage the movement of large outfitting items.
2002 Acquires an adjacent warehouse to increase material storage capability.
2003 An automatic plasma cutting machine is installed to improve manufacturing efficiency. 3D hull structure design software is linked to the cutting machine to improve efficiency in hull design and fabrication.
2004 The shipyard shed of the first factory is expanded and rebuilt, transforming it into an all-weather indoor factory. The plant is configured to handle the construction of aluminum alloy ships and is capable of building large ships of 50 meters or more.
2005 Receives an order from the Malaysian government for a training boat.
2006 Receives an order from the Japan Coast Guard for two 30m patrol boats made of all-aluminum alloy.
2007 Receives an ODA grant from the Republic of Indonesia for a project to build patrol boats to combat piracy and maritime terrorism.
2011 Construction infrastructure is strengthened with the installation of a floating dock.
2013 Hiroshi Ishiwata is appointed chairman.
Yoshihiro Yamaguchi is appointed president.
2014 Receives an order from the Republic of Djibouti for two 20m patrol boats for the Coast Guard.
2015 Hideo Ishiwata is appointed president.
2020 Renewal to new building (new headquarters).
New jib crane replacement.
2021 New construction of the company's own ship.