| 1891 |
The Electrotechnical Laboratory was established. |
| 1911 |
The Electrotechnical Laboratory commenced pattern approval testing. |
| 1912 |
The Electrotechnical Laboratory commenced verification activities. |
| 1923 |
The Japan Electric Association was designated as an official testing laboratory by the central government. |
| 1924 |
The Tokyo Municipal Authority was designated as an official testing laboratory by the central government. |
| 1964 |
The Japan Electric Meters Inspection Corporation(JEMIC) Law was promulgated(July 4th). |
| 1965 |
The JEMIC commenced activities (having integrated and inherited all related work previously conducted by the central government,Japan Electric Association and Tokyo Prefectural Government)(January 1st). |
| 1966 |
The revision of the Measurement Law was promulgated to incorporate the Electrical Measurement Law. |
| 1971 |
The JEMIC commenced the calibration service for thermometers and standard lamps. |
| 1972 |
- The Okinawa Laboratory was opened following the end of the American Occupation of Okinawa Prefecture.
- The JEMIC commenced the mobile calibration service with a calibration service car.
|
| 1978 |
The total number of electricity meters accepted for verification passed 100 million. |
| 1981 |
The laboratories in the Tokyo region were integrated pursuant to the relevant cabinet decision. |
| 1983 |
The validity of verification was extended from 7 years to 10 years for ordinary watt-hour meters(30A,120A and 200A). |
| 1986 |
- The partial revisions of the Measurement Law and JEMIC Law resulted in the alteration of the legal status of the JEMIC.
- The first pattern approval for a static watt-hour meter was made.
|
| 1987 |
- The thousandth pattern approval was achieved.
- New verification activities were commenced for multi-function electricity meters used for the new electric rate system.
|
| 1990 |
New verification activities were commenced for static multi-function meters with a two time-of-day rate system(different rates for day-time and night-time) for household use. |
| 1992 |
The new Measurement Law was promulgated. |
| 1993 |
The JEMIC commenced the verification activities for illuminance meters. |
| 1994 |
The head office was designated as the accredited laboratory for Thermal and Photometric Calibrations. |
| 1995 |
- The JEMIC commenced the verification activities for integrating calorimeters.
- The head office and the Tokyo,Nagoya and Amagasaki laboratories were designated as the accredited laboratories for Electrical Calibrations.
|
| 1998 |
The two thousandth pattern approval was achieved. |
| 1999 |
The first pattern approval for an ordinary watt-hour meter(250A). |
| 2002 |
The Hokkaido,Tohoku,Hokuriku,Chugoku and Kyushu laboratories were designated as the accredited laboratories for Electrical Calibrations. |
| 2004 |
- The three thousandth pattern approval was achieved.
- The head office was designated as the accredited laboratory for Time and Frequency Calibrations.
|
| 2005 |
The Shikoku laboratory was designated as the accredited laboratory for Electrical Calibrations. |
| 2007 |
The JEMIC was designated as the designated institute for AC Power and AC Energy. |
| 2008 |
The Chubu and Kumamoto laboratories were designated as the accredited laboratories for verification. |
| 2009 |
- The JEMIC was designated as the accredited laboratory for AC Power and AC Energy.
- The JEMIC was designated as the accredited laboratory for type approval.
- The Head office,Hokkaido,Tohoku,Niigata,Hokuriku,Kansai,Kyoto,Amagasaki,Chugoku,Shikoku,Kyushu laboratories were designated as the accredited laboratories for verification.
|
| 2010 |
The Okinawa laboratory was designated as the accredited laboratory for verification. |