| Apr | 1940 | Kaneman Ltd. was established,and started sales of steel pipes. |
|---|---|---|
| Aug | 1944 | The company was registrated. |
| Apr | 1950 | Tokyo works begins production. |
| Dec | 1954 | Renamed Shinshouwa kokan Ltd. |
| Feb | 1967 | Opened the Ibaragi Factory. |
| Nov | 1972 | Marged Tokyo works into Ibaragi Factory. |
| Jun | 1973 | Ibaragi Factory was registered as JIS Factory. |
| Oct | 1973 | Fukushima Factory was registered as JIS Factory. |
| Oct | 1977 | Established Nagoya office. |
| Sep | 1981 | Opened Gifu works. |
| Apr | 1985 | Gifu Factory was registered as JIS Factory. |
| Sep | 1988 | Reconstructed Ibaragi works. |
| Jul | 1993 | Opened part of steel pipe in Gifu works. |
| Sep | 2000 | Introduced Total Productive Mainenance. |
| Jan | 2003 | Obtained certificate of JISQ9001:2001 and ISO2000. |
| Feb | 2004 | Established Nagoya brunch. |
| Jul | 2004 | Ibaragi Factory,Fukusima Factory and Gifu Factory were registered as new JIS Factory. |
| Jul | 2009 | Obtained certificate of JISQ14001:2004 and ISO14001:2004. |
| Mar | 2009 | Marged Fukushima Factory into Ibaragi Factory and Gifu Factory. |
| Jan | 2010 | Headquarters moved from Chuo ward to Taito ward. |
| Mar | 2012 | Nagoya branch moved from Nakamura ward to Naka ward. |
