Founded in 1935
Company employees: 873 (as of 2018/06/30)
FY2017 turnover: 20.899 Billion JPY
Listed on Section 1 of Tokyo Stock Exchange
Head office: 81 Koizumi, Ueda-shi, Nagano
Domestic branches: 11
Overseas subsidiaries and related companies: 13
Business: development, manufacture and sale of electrical measuring instruments
ISO 9001:2008 and ISO 14001:2004
Examine, diagnosis and countermeasure the current poor power supply condition in field that causes trouble the equipment.
Check the condition of before and after the instalment of an electrical facility by monitoring the power quality in long term or periodically. Predict the trouble, and prevent it from happening.
To manage parameters that have management goal (voltage fluctuation, Voltage flicker, harmonics etc).
For power saving survey, checking the trend before adding load to a system.