Since our founding in 1972, we have valued quality and integrity,
We have contributed to the development of industry by accumulating technology.
1972

Trans product line
On February 1st, Daioh Electric Co., Ltd. was founded.
Production of communication transformers has begun.
1976
Started instrument management, calibration, and repair services.
1978
Started LSI business.
1982
Development and manufacturing of automatic machinery for semiconductor production has begun.
1991

Honsha, Minamihatsushimacho, Amagasaki City
New headquarters established in Minamihatsushima-cho, Amagasaki City.
1996

Itami City Ogino Main Office
Head office relocated to Ogino, Itami City.
1997
The service center acquired ISO 9002 for instrument calibration services.
2003

ISO9001 certificate
The service center updated from ISO 9002 to ISO 9001 and has continued to maintain its certification since then.
2007
Acquired ISO/IEC 17025 with the US accreditation body PJLA for instrument calibration services.
2010

Itami City, Kita-Itami Headquarters
Completed new headquarters in Kita-Itami, Itami City.
2011
KEMS Registration Certificate
JCSS Registration Certificate
Kobe Environmental Management System (KEMS) certified.
The service center will be accredited as a JCSS calibration provider.
2018

Developed the new abnormal noise inspection device DSVI-MA.
Sales start.
2021

Development and sales of DSVI-MB, a multi-channel specification new abnormal noise inspection device, have begun.
2022

50th Anniversary Logo
February 1st: 50th Anniversary.
2025

Completed construction of new headquarters in Iboji, Itami City, Hyogo Prefecture, and relocated headquarters.


