| 1982 Mar. |
PRE-TECH CO., LTD.was established. |
| 1983 Sep. |
Fine Sonic was developed. |
| 1985 Apr. |
The headquarters was relocated to Fuchu-shi, Tokyo. |
| 1986 Jan. |
Sonic Checker was developed. |
| 1986 May. |
Silicon wafer cassette-less cleaning equipment was developed. |
| 1986 Jun. |
Fine Jet was developed. |
| 1986 Dec. |
A CAD system was introduced to improve design efficiency. |
| 1987 Dec. |
We began exhibiting at Semicon Japan. |
| 1989 Jan. |
The Shizuoka Factory was erected in Yaizu-shi, Shizuoka. |
| 1989 Mar. |
Megasonic cleaning unit Fine Squall was developed. |
| 1996 Jan. |
CE and FCC approval was obtained for Fine Jet. |
| 1996 Mar. |
Capital stock was increased to ¥50 million. |
| 1996 Apr. |
Spin Sonic Cleaner was developed. |
| 1996 Jul. |
CE and FCC approval was obtained for Fine Sonic. |
| 1998 Aug. |
A clean room building (4 stories) was built on the premises of the Shizuoka Factory. |
| 1999 Jun. |
CE and FCC approval was obtained for Fine Squall. |
| 2000 Dec. |
Capital stock was increased to ¥95 million. |
| 2001 Mar. |
Capital stock was increased to ¥273 million. |
| 2002 Mar. |
Capital stock was increased to ¥294 million. |
| 2002 Sep. |
ISO9001: 94 certification was obtained. |
| 2003 Oct. |
Certification was upgraded to ISO9001: 2000. |
