Corporate Chronology
| 1952: | Establishment of Nippon Telegraph and Telephone Bureau |
|---|---|
| 1980: | Laying of a submarine coaxial cable (Kuroshio-maru) between Indonesia and Singapore (1,040 m). |
| 1982: | Laying of a submarine coaxial cable (Kuroshio-maru) between Malaysia and Singapore (653 km) |
| 1983: | Laying of Japan’s first non-relay submarine fiber optic cable between Kitasaki and Oroshima (about 29 km). Laying of a submarine coaxial cable (Kuroshio-maru) between Malaysian and Singapore (255 km). |
| 1985: | Establishment of Nippon Telegraph and Telephone Corporation (NTT). |
| 1990: | Laying of a submarine optical fiber cable (Kuroshio-maru) at NPC Alaska branch connection and offshore along the Miura coastline. Laying of a submarine fiber optic cable (Kuroshio-maru) in Malaysian waters (1,480 km). |
| 1991: | Laying of a submarine fiber optic cable (Kuroshio-maru) in Indonesian waters (380 km). |
| 1993: | Laying of a submarine fiber optic cable (Kuroshio-maru) in the Republic of Korea’s waters (150 km). |
| 1995: | Laying of the world’s first practical optical amplification type (amplifies light directly) submarine fiber optic cable between Kagoshima and Okinawa. |
| 1996: | Procurement of the Sea Mole, a submarine fiber optic cable burying system. Laying of a submarine fiber optic cable (Sea Mole) in the Republic of Korea’s waters (11 km). |
| 1998: | Establishment of NTT World Engineering Marine Corporation. |
| 1999: | Capital tie-up with Global Marine Systems Ltd. Laying of a submarine fiber optic cable (Kurosio-maru) at the US-China Okinawa branch connection (744 km). Laying of a submarine fiber optic cable (Subaru) between the U.S. and Japan (920 km). |
| 2000: | Laying of a submarine fiber optic cable (Subaru) APC-14 (5,414 km). Laying of a submarine fiber optic cable (Subaru: 1,276 km and Kurosio-maru: 1,250 km) APC-2. |
| 2001: | Laying of a submarine fiber optic cable (Subaru: 2,483km and (Maersk Recorder: 1,250 km) APC-2. Laying of a submarine fiber optic cable (Maersk Recorder) at C2C (1,674 km). Laying of a submarine fiber optic cable (Subaru) between Australia and Japan (924 km). Laying of a submarine fiber optic cable (Maersk Recorder) between the Republic of Korea and Japan (473 km). |
| 2002: | Marine survey at Chuubu International Airport Island Laying of a submarine fiber optic cable between Kami Hachiman and Okinoshima.Pre-trenching operation (Sea Mole) for deep sea water at Kumaishi. |
| 2003: | Laying of a submarine fiber optic cable (Subaru) between Meike and Sawada. |
| 2004: | Laying of power cable between Goto Rettou and Nagasaki (Goto Renkei). Power cable construction work between Leite and Cebu in the Philippines. Laying of a fiber optic cable Okinawa Hontou - Miyakojima - Ishigakijima. |
| 2005: | Installation of the cable in the Goto island area of Japan Installation of the JASUKA cable system Commencement of sales of the ‘Mega Wave Marine’ business Received ISO accreditation for the generator maintenance work business |
| 2006: | Installation of the cable between India and Sri Lanka Inspection survey conducted for the installation of electric power cable between Negros and Cebu, the Philippines Commencement of sales of the telecommunication monitoring & controlling system called ‘Packet Master GAKUSHI’ Commencement of sales of the internet charging system, ‘Packet Charger’ |
| 2007: | Installation of cable in Minami-Awaji areas, Japan Commencement of sales of the Internal-Ship Information System Installation of the cable between Hokkaido, Japan and Sakhalin, Russian Federation |
| 2008: | Installation of the cable between Miura and Hachijo, Japan Installation of various cable systems in the Japanese Satsuma-Sendai areas Installation of the earthquake monitoring system in the Tokai area of Japan Installation of the cable system between Indonesia and Singapore |
| 2009: | Installation of the TPE 2A cable segment off the Wada area of Japan Installation of the cable system between Indonesia and Singapore |
| 2010: |
Installation of Hachijo-Ogasawara Fiber-Optic Network Project, Japan Installation of Wakkanai area Fiber-Optic Network Project, Japan Installation of submarine portion of PLDT's domestic Fiber-Optic network Loop 4, Philippines Installation of Iki City Intelligence Infrastructure PJ, Japan Installation of Sunami – Sagi Fiber-Optic Network Project, Japan |