| 1932 |
- On July 1st, Yokohama-based Bankoku-shingosho (established in 1919) merged with Kobe-senpaku-tsushinsha (established in 1913), to create Toyo-shingo-tsushinsha (TST) Corporation.
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| 1941 |
- Operations were suspended due to the Second World War.
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| 1945 |
- Operations restarted after the war ended.
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| 1948 |
- Opened Torigasaki signal station.
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| 1950 |
- Started selling customs forms.
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| 1951 |
- Built main office printing factory in Moto-machi, Naka-ku, Yokohama-shi.
- Opened Tokyo form-selling store.
|
| 1952 |
- Republished Keihin shipping daily report.
- Rebuilt Kobe printing factory.
|
| 1953 |
- Opened Shimizu Port office.
- Opened Yokosuka Port office.
|
| 1955 |
- Opened Nagoya Port office.
|
| 1956 |
- Entrusted Harumi signal station work from Tokyo Prefecture.
- Entrusted Chiba Port signal station work from Chiba Prefecture.
|
| 1958 |
- Opened Hinomisaki watchhouse.
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| 1960 |
- Opened Irousaki watchhouse.
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| 1961 |
- Merged with Osaka-senpaku-tsushinsha.
- Opened Osaka office.
- Opened Wakayama-kita Port office.
|
| 1963 |
- Opened Kamishima watchhouse.
- Merged with Kanmonko-senpaku-tsuhosho.
- Opened Kanmon branch office.
- Opened Oita-sekizaki watchhouse.
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| 1964 |
- Established Toshin-denwa Corporation (all stocks owned by TST Corporation).
- After the opening of Tokyo Bay international marine VHF station, Toshin-denwa Corporation was entrusted with the operation of the station from the 3 licensees of Tokyo City, Kawasaki City and Yokohama City.
- Opened Jizosaki watchhouse.
- Opened Tagonoura Port office.
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| 1965 |
- Opened Kobe VHF station and entrusted with operation from Kobe City.
- Opened Kitakyushu VHF station and entrusted with operation from Kitakyushu City and Shimonoseki City.
|
| 1966 |
- Opened Kyushu Hesaki signal station.
|
| 1967 |
- Opened Kyushu Wakamatsu office.
- Moved Kobe branch office to new office in Wadamisaki-machi.
|
| 1969 |
- Toshin-denwa Corporation was entrusted with VHF work from Chiba Prefecture.
- Started work selling and repairing radio equipment.
|
| 1971 |
- Opened Yura signal station.
|
| 1972 |
- Entrusted VHF work licensed from Sakaide City.
- Opened Yokohama Honmoku watchhouse.
- Opened Kyushu Mutsure watchhouse.
|
| 1973 |
- Opened Kashima Port office.
- Entrusted VHF work from Ibaraki Prefecture.
|
| 1974 |
- Entrusted VHF work from Yokosuka-mizusakinin Pty Ltd.
|
| 1975 |
- Entrusted VHF work from Oita Prefecture.
|
| 1976 |
- Opened Yokkaichi Port office.
- Entrusted VHF work from Yokkaichi Port Management Society.
- Toshin-denwa Corporation was entrusted with VHF work from Yokosuka City.
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| 1979 |
- Entrusted VHF work from Licensed Inlandsea Pilots' Association.
|
| 1982 |
- Entrusted VHF work from Fukuoka Prefecture.
- Entrusted VHF work from Kanmon Straits & Harbour Pilot Association.
- Increased capital to 50,000,000 yen.
|
| 1983 |
- Entrusted VHF work from Fukuoka City.
- Entrusted VHF work from Okayama Prefecture.
- Entrusted VHF work from Osakawan Pilots' Association.
|
| 1984 |
- Entrusted VHF work from Shizuoka Prefecture.
|
| 1986 |
- Entrusted VHF work from Aichi Prefecture.
- Entrusted VHF work from Irago Pilots' Association.
|
| 1987 |
- Entrusted VHF work from Hiroshima Prefecture.
|
| 1988 |
- Signed agency contract with Tokyo Bay Marinet Co., Ltd.
- Opened Yokohama Honmoku D Pier watchhouse.
- Started property insurance agency work.
- Entrusted VHF work from Nagasaki Prefecture and Nishi-Kyushu Kyodo Kowan Inc.
|
| 1990 |
- Opened licensed radar station in Shipping Information Department of Main Office.
|
| 1991 |
- Started import agency work for German company SIKA.
|
| 1992 |
- Started using shipping movement management network system.
|
| 1993 |
- Entrusted tugboat assignment work from Yokkaichi Port Management Society.
|
| 1994 |
- Entrusted night-time adjustment work from Yokohama City Port and Harbor Authority.
- Entrusted ship monitoring work from Nagoya Port Management Society.
- Entrusted ship watchhouse work from Fukuoka City.
|
| 1995 |
- Opened Osaka Shipping Information Center.
- Entrusted VHF work from Osaka City.
|
| 1996 |
- Opened Shimizu Shipping Information Center.
- Opened Tokyo Bay Shipping Information Center inside Yokohama Port Distribution Center.
|
| 1998 |
- TST Corporation absorbed Toshin-denwa Corporation.
|
| 1999 |
- Started import agency work for German company AS-Schneider.
- Started publishing PORT VIEW instead of the shipping daily report for all ports.
- Replaced shipping movement management network system with second generation version.
|
| 2001 |
- Entrusted shipping navigational adjustment work from Osaka City.
|
| 2003 |
- Moved headquarters to Yokohama Port Distribution Center.
- Started providing information to Kaikyo Drama Ship in Kitakyushu City.
- Entrusted Mizushima Port navigation management support work from Okayama Prefecture.
|
| 2004 |
- Started sea area usage arrangement work for West route of Tokyo Port.
- Started creating Japan-wide network of AIS receiving stations.
|
| 2005 |
- Started security work.
- Entrusted work to meet SOLAS requirements from Aichi Prefecture.
- Entrusted wharf security work from Chiba Prefecture.
- Entrusted security countermeasure monitoring work from Fukuoka City and Oita Prefecture.
|
| 2006 |
- Started care-giving service.
- Entrusted VHF wireless station operation and management work from Kimitsu Works, Nippon Steel & Sumitomo Metal Corporation.
- Entrusted ship seating allocation work from Kitakyushu City.
|
| 2007 |
- Started construction information provision work at D Runway, Haneda Airport.
- Entrusted tugboat assignment work from Kanmon Tugboat Society.
- Started night-time agency work at Shimizu Port group.
- Built Mikawa Port office newly.
|
| 2008 |
- Delivered AIS image display devices to Japanese customs houses and started providing data.
- Started Osaka Bay shipping navigation support work.
|
| 2009 |
- Entrusted mast height survey work for ships entering/leaving Tokyo Port from Tokyo Civil Aviation Bureau.
|
| 2010 |
- Entrusted service call work from Tokyo Keiki Inc.
- Appeared at "SEA JAPAN 2010" exhibition.
- Opened Vessel Schedule Site - VSS portal site for the movement information of container ships.
- Entrusted Tokyo International Airport shipping movement tracking from Tokyo Civil Aviation Bureau.
- Established business alliance with Elane Inc. Started "ShipFinder.com" AIS information sending service, provided by Elane Inc.
- Signed contract with IHS for comprehensive AIS data provision.
|
| 2011 |
- Entrusted overall navigational adjustment work from Yokohama City Port and Harbor Authority.
- Performed system duplication as a countermeasure against disaster.
- Started anchorage information provision work to Wakayama Works, Nippon Steel & Sumitomo Metal Corporation.
- Entrusted berth arrangement from Sakaide City.
- Five major international container ship companies joined our Vessel Schedule Service.
|
| 2012 |
- Started dredging construction information provision work at Kobe Port.
- Entrusted navigational adjustment work, due to the dredging of Osaka's main routes, from Kobe Marine Casualty Prevention Institute.
- Started navigational safety information provision work at Osaka Port.
- Appeared at "SEA JAPAN 2012" exhibition.
- Started sending wind direction and wind speed data to Osakawan Pilots' Association.
- Joined the VTS Committee at the VTS Symposium held by IALA, as an observer.
|
| 2013 |
- Entrusted port entry/exit information provision work from Ibaraki Prefecture.
- Along with Kyowa Keisen Co., Ltd., jointly entrusted boat assignment work for Yokohama Port public quay from Yokohama Port Corporation.
- Entrusted operation of Sakaide office from Sakaide City, Kagawa Prefecture.
- Entrusted operation of Yokosuka Port management office from Yokosuka City.
- Attended IAPH (International Association of Ports and Harbors) General Meeting.
- Attended AIS SUMMIT 2013.
- Appeared at Bari-ship 2013 international maritime exhibition.
- Kyowa Shipping Co., Ltd. buys all Kyowa Keisen Co., Ltd. stocks making it a complete subsidiary.
|
| 2014 |
- Entrusted Osaka Port shipping safety support work from Osaka City.
- Appeared at "SEA JAPAN 2014" exhibition.
|
| 2015 |
- Entrusted Osaka Port patrol boat management work from the joint enterprise of Toyo, Mirai and Rinkai Nissan construction companies.
- Attended IAPH (International Association of Ports and Harbors) General Meeting.
|
| 2016 |
- Appeared at "SEA JAPAN 2016" exhibition.
- Started Tokyo Port North-South road information management work entrusted from Toa Corporation.
- Appeared at LOGIS-TECH TOKYO 2016 exhibition jointly with CargoSmart Limited.
- Released the container ship schedules for the sea freight system cloud-based service "e-forwarder/e-nvoce", operated by Exa-System.
- Attended GLASS Project held by NASA, due to the cooperation of JAMSS America, Inc.
- Entrusted night VHF work from Nagoya Port Authority.
|
| 2017 |
- Entrusted Tokyo Port North-South road sea area usage investigation work from Tokyo Port Office, Kanto Regional Development Bureau.
- Obtained ISO9001：2015 and JIS Q 9001：2015 concerning planning, providing and managing the education of port radio operators.
- Appeared at Bari-ship 2017 international maritime exhibition jointly with E-chart Co., Ltd.
- Started construction-related ship navigation support work entrusted from Tokyo City.
|
| 2019 |
- Started deliver radar images to the Shin Honmoku Safety Navigation Management Office and construction information sharing business by IP wireless.
- Started passing adjustment work in the Ichikawa waterway area of Chiba Port.
|
| 2020 |
- Started navigation management support work in Kanda port.
|
| 2021 |
- Started navigation adjustment work entrusted by Aichi Prefecture at Mikawa Port.
- Started usage investigation work entrusted by Tokyo Prefecture at Tokyo Port East road sea area.
- Appeared at "Kansai Logistics Exhibition".
- Started safety measures work in the Nishiyama area of Kanmon Port.
|
| 2022 |
- Entrusted Aids to navigation lighting confirmation work from Kobe Port Office, Kinki Regional Development Bureau.
- Entrusted all VHF work from Nagoya Port Authority.
|
| 2023 |
- Signed a basic agreement with Denmark company Sternula regarding joint venture on satellite VDES.
- Contracted with Beppu Port and Airport Development of the Kyushu Regional Development Bureau for safety measures related to construction of a new quay for RORO ships in the Ozai area of Oita Port.
- Release of Ise Bay version of agency business DX service “Optems”
- Entrusted anchorage usage support services from Okayama Prefecture.
- Joind the 14th IALA General Meeting and 20th IALA Conference.
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