| 1967 |
Oct |
The establishment of Hirai Seimitsu Kogyo Corp.
in Kita-ku, Osaka |
| 1970 |
May |
Ibaraki plant was established
in Ibaraki city, Osaka. |
| 1970 |
Jul |
Wataru Hirai assumed the presidency of
Hirai Seimitsu Kogyo Corp. |
| 1972 |
Jun |
Osaka Headquarters was moved to current location
in Kita-ku Osaka city. |
| 1977 |
Nov |
Ogaki Plant was established in Ogaki city, Gifu. |
| 1980 |
Apr |
Yasuhiro Hamada assumed the presidency. |
| 1980 |
Dec |
Osaka CAD center was established in Kita-ku,Osaka. |
| 1982 |
Nov |
Expansion of Ogaki CAD center. |
| 1984 |
Apr |
Expansion of Ogaki Plant building 3. |
| 1985 |
Apr |
Kyushu branch was opened in Fukuoka. |
| 1989 |
Mar |
Kumamoto Plant was established
in Orao, Kumamoto. |
| 1990 |
Jun |
Expansion of Kumamoto Plant. |
| 1991 |
Apr |
Ogaki Plant was remodeled. |
| 1992 |
Oct |
Tokyo Branch was opened. |
| 1993 |
Apr |
Capital Participation to Joh machining Inc. |
| 1997 |
Sep |
Expansion of Kumamoto Plant building 3. |
| 2005 |
Dec |
New building of Ogaki Plant was established. |
