| Oct. 1938 |
Started manufacture and sale of cemented carbide tools as domestic division of Kobayashi Industrial Co., Ltd. |
| Dec. 1950 |
Reorganized to Hyakunen Industrial Co., Ltd. |
| Mar. 1954 |
Appointed Teitaro Ikezumi to the president. |
| June 1954 |
Renamed to DIJET Industrial Co., Ltd. |
| June 1962 |
Listed in the second section for Osaka markets. |
| Jan. 1971 |
Completed new carbide plant. |
| Mar. 1971 |
Developed cermet "SUZ", the first titanium carbide alloy in the world. |
| July 1972 |
Developed cermet "NIT", the first titanium nitride alloy in the world. |
| Sep. 1976 |
Launched "DIJET-Hosoi Mill", the first cemented carbide ball nose end mill in the world. |
| Oct. 1977 |
Appointed Nozomu Ikezumi to the new president. |
| Oct. 1977 |
"DIJET-Hosoi Mill", awarded prize by the Machinery Technology Promotion Association. |
| Aug. 1978 |
Launched "DIJET-Hosoi Drill", an innovative cemented carbide twist drill. |
| July 1979 |
Concluded technology and sales collaborative agreement with General Electric Company for FUTUREMILL cutters. |
| Sep. 1980 |
Completed Technology Research Center in the headquarters. |
| Oct. 1980 |
Concluded technology and sales collaborative agreement with KENNAMETAL. |
| Dec. 1980 |
Completed high-tech coating plant. |
| Oct. 1983 |
Established DIJET Incorporated in the USA as own subsidiary. |
| Mar. 1985 |
Completed Tondabayashi plant in Osaka. |
| Dec. 1985 |
Listed in the second section for Tokyo markets. |
| Sep. 1989 |
Listed in the first section for Tokyo, Osaka markets. |
| Apr. 1991 |
Reorganized Europe representative office to Europe branch in the U.K. |
| May 1992 |
Completed Mie plant in Mie. |
| Dec. 1992 |
Received Ford Q1 quality certification by Ford Motor USA. |
| Feb. 1996 |
Opened Bangkok office in Thailand. |
| Mar. 1996 |
Began operation of Mie carbide plant. |
| Dec. 1997 |
Acquired authorization of ISO9001 for all offices by JQA. |
| May 1999 |
Set up the domestic association of authorized distributors. |
| Sep. 1999 |
Launched "Mirror-Ball", ultimate precision indexable ball nose end mill. |
| Sep. 2000 |
Launched "Beam Drill", mono-block diamond solid drill. |
| May 2001 |
Acquired authorization of ISO4001 for all offices by JQA. |
| Oct. 2002 |
Opened Shanghai office in China. |
| Oct. 2002 |
Launched "Beam End Mill", mono-block diamond solid end mill. |
| June 2005 |
Completed Mie powder plant. |
| June 2006 |
Appointed Nozomu Ikezumi to the chairman and Ayumu Ikezumi to the new president. |
| Dec. 2006 |
Opened Guandong office in China. |
| Apr. 2007 |
Opened Mumbai office in India. |
| Jan. 2009 |
Completed the second cutting tool plant of Mie. |
| July 2009 |
Opened Dalian office in China. |
| Oct. 2010 |
Opened Wuhan office in China. |
| Jul. 2013 |
Dijet and Forgewang established a joint venture Dijet Forgewang Precision Die & Mold (Cangzhou) Co., Ltd. in China. |
| Nov. 2013 |
"Cermetal CT500 series", new titanium carbonitride composite material, awarded prize by the Materials Process Technology Center in 2013. |
| Dec. 2013 |
Opened Chengdu office in China. |
| Jan. 2015 |
Moved Europe branch to Dusseldorf, Germany. |
| Oct. 2016 |
Established DIJET GmbH in Dusseldorf, Germany as owned sales subsidiary. |
