| 1951 |
Established Nakagawa Anti-Corrosion Industry Co., Ltd. in 1951 |
| 1951 |
Established Nakagawa Anti-Corrosion Industry Co., Ltd. |
| 1951 |
Introducing the company's journey from its founding in 1951 to the present day. |
| 1952 |
Implemented the country's first electrical anticorrosion work at port facilities in 1952 |
| 1952 |
First in Japan: electrical anti-corrosion for port facilities |
| 1953 |
In 1953, 'Research on electrical anticorrosion of seawater facilities' became eligible for grants from the Ministry of Transport |
| 1953 |
Research on seawater facility electrical anti-corrosion eligible for Ministry of Transport grants |
| 1954 |
Received a large-scale electrical anticorrosion project at the West Pier from Nagoya Port Authority, laying the foundation for the anticorrosion business |
| 1954 |
Received large-scale electrical anti-corrosion work at Nagoya Port Management Association, laying the foundation for our anti-corrosion business |
| 1956 |
Formed capital and technical alliance with Mitsui Mining & Smelting Co., Ltd., and started selling anticorrosion zinc anodes (product name: ZAP) |
| 1956 |
Capital and technical alliance with Mitsui Mining & Smelting Co., Ltd., sale of anti-corrosion zinc anodes (product name: ZAP) |
| 1962 |
Carried out anticorrosion work on the Tokyo Line (natural gas pipeline between Niigata and Tokyo) |
| 1962 |
Anti-corrosion work for the Tokyo Line (Natural Gas Pipeline between Niigata and Tokyo) |
| 1964 |
In 1964, carried out anticorrosion work on the Haneda immersed tunnel of the Metropolitan Expressway |
| 1964 |
Anti-corrosion work for the Haneda submerged tunnel of the Metropolitan Expressway |
| 1965 |
In 1965, established the Ageo Foundry and Machining Plant, and started casting aluminum alloy anodes ALAP |
| 1965 |
Formed a sales partnership with Skarpenoid (Norway) for ship electrical anticorrosion and inorganic paint |
| 1965 |
Established the Ageo Foundry Processing Plant and started casting aluminum alloy anode ALAP. Formed a sales partnership for ship electrical anticorrosion and inorganic coatings with Skarpnord (Norway) |
| 1966 |
Established the electrolysis anode method as the mainstream in port facility anticorrosion technology |
| 1966 |
Established the electrolysis anode method as the mainstream technology in port facility corrosion protection |
| 1975 |
Developed the PTC method (Petrolatum Taping and Covering System) for steel pipe coating anticorrosion, leading to expansion of port structure tide zone anticorrosion projects |
| 1975 |
Developed the Steel Pipe Anti-corrosion Coating Method PTC (Petrolatum Taping and Covering System), which became a catalyst for expanding corrosion protection projects for port structures |
| 1978 |
Received large overseas projects including Baoshan Steel Plant in China, Iraq, Kuwait, and others |
| 1978 |
Received orders for large overseas projects including Baoshan Steel Plant in China, Iraq, and Kuwait |
| 1980 |
Started selling iron ion supply devices |
| 1980 |
Started sales of iron ion supply devices |
| 1989 |
Carried out electrical anticorrosion work on the upper part of the concrete quay wall at Shimizu Port, Shizuoka Prefecture |
| 1989 |
Electrical corrosion protection work on the upper structure of the concrete quay wall at Shimizu Port, Shizuoka Prefecture |
| 1991 |
Changed the company name to Nakabo Tech and set a symbol mark |
| 1991 |
Changed the company name to Nakabo Tech and set a symbol mark |
| 1993 |
Completed the new factory in Ageo |
| 1993 |
Completed the new Ageo factory |
| 1994 |
Electrical anti-corrosion work on Tokyo Bay Aqua-Line and Kansai International Airport Link Bridge |
| 1994 |
Electrical corrosion protection work on Tokyo Bay Aqua-Line and other related structures, including Kansai International Airport Link Bridge |
| 1995 |
Listed on the over-the-counter market, relocated headquarters and Tokyo branch to Shinkawa F Building |
| 1995 |
Listed on the over-the-counter stock market; relocated headquarters and Tokyo branch to Shin-Kawa F Building |
| 1996 |
Carried out anti-corrosion work for reconstruction projects after the Great Hanshin-Awaji Earthquake |
| 1996 |
Corrosion protection work in the reconstruction projects following the Great Hanshin-Awaji Earthquake |
| 1998 |
Obtained ISO9001 certification and expanded/revised the Technical Development Laboratory (now: Technical Development Center) |
| 1998 |
Obtained ISO 9001 certification; expanded and renovated the Technical Development Laboratory (now the Technical Development Center) |
| 2004 |
Listed on the Jasdaq Securities Exchange |
| 2006 |
Received order for anti-corrosion work related to the re-expansion of Haneda Airport |
| 2011 |
Carried out anti-corrosion work for reconstruction projects after the Great East Japan Earthquake and for the New Tokyo Line (Natural Gas Pipeline between Niigata and Gunma) |
| 2011 |
Corrosion protection work for the reconstruction projects following the Great East Japan Earthquake; anticorrosion work for the New Tokyo Line (natural gas pipeline between Niigata and Gunma) |
| 2013 |
Carried out anti-corrosion work at the Namikata National Oil and Gas Storage Base |
| 2013 |
Corrosion protection work at the Namikata National Oil and Gas Storage Base |
| 2016 |
Manufactured electrical anti-corrosion devices for the submerged tunnel of the South-North Line as part of the Tokyo Olympics and Paralympics preparations |
| 2016 |
Ordered manufacturing of electrical corrosion protection devices for the South-North Submarine Tunnel for the Tokyo Olympics and Paralympics |
| 2018 |
Carried out anti-corrosion work for Umihiro Marine Stadium and new passenger ship piers |
| 2018 |
Corrosion protection work for facilities related to the Tokyo Olympics and Paralympics, including Umihotaru Water Sports Stadium and new passenger ship piers |
| 2019 |
Electrical anti-corrosion method adopted for the foundation piles of Hiroshima Peace Memorial Museum |
| 2019 |
Electrical corrosion protection method adopted for the foundation piles of Hiroshima Peace Memorial Museum |
| 2022 |
Transitioned to the Tokyo Stock Exchange Standard Market, signed exclusive sales agreement with CORROSION for offshore wind power ICCP, and jointly developed the linear flow cathodic protection method |
| 2022 |
Moved to the |
| 2023 |
Completed installation of external power source cathodic protection (ICCP) system at Akita Port and Noshiro Port offshore wind power facilities, established 'Purpose' and 'Slogan' |
| 2023 |
At Akita Port and Noshiro Port offshore wind power generation facilities, the installation of the external power source cathodic protection (ICCP) system has been completed. We have established the 'Purpose' and 'Slogan'. |
