| 1919 | Migishita Kyodai Keiki Seisakusho founded. Approval of the Minister of Trade and Industry granted for registering pressure gauge products |
|---|---|
| 1936 | Reorganized as Migishita Keiki Seisakusho Co., Ltd. |
| 1938 | Received all permissions regarding manufacture of measuring instruments from the Minister of Trade and Industry. |
| 1939 | Shanghai Factory constructed to respond to increased demand from overseas. |
| 1940 | Factory in Fengtien and Beijing constructed. Sales office in Beijing and Tienchin established. |
| 1942 | Appointed by the Naval Department as a designated factory. In the same year, appointed by the War Department as one of its designated factories. |
| 1943 | Okayama Factory constructed in Kibi-gun, Okayama, Japan. |
| 1948 | At the end of the Second World War, all of the company’s overseas factories were requisitioned and domestic factories were forced to temporarily halt operation. |
| 1949 | Operation resumed after having been reorganized as Toyo Keiki Co., Ltd. |
| 1955 | Company name changed to Migishita Keiki Seisakusho. |
| 1962 | Reorganized as Migishita Seiki Mfg. Co., Ltd. with a capital of 1,000,000 yen and started production. |
| 1965 | Became a JIS standard display permitted factory (JIS B 7505 Bourdon Tube Pressure Gauge) |
| 1970 | 2nd factory constructed to expand production |
| 1972 | Capital increased to 16,000,000 yen. |
| 1974 | President changed from Sekio Migishita to the 2nd President Takeyoshi Migishita |
| 1978 | Tokyo Sales Office opened in Minato-ku, Tokyo, in order to promote sales in Kanto area and to establish a technical service system. |
| 1979 | The Head Office and Factory constructed in the current location. Improvement of manufacturing facility and automation of office work started. |
| 1985 | Capital increased to 24,000,000 yen. |
| 1990 | Research Center constructed for the purpose of developing pressure gauges and peripheral devices. Test facility was enriched. |
| 1992 | Office work and manufacturing lines were rationalized and integrated into one seamless line including order taking, shipment, and after service. |
| 1994 | CNC machine introduced for the purpose of acquiring abilities in manufacturing and processing component for special pressure gauges. |
| 1995 | Model approval obtained for our Bourdon pressure gauges. |
| 1999 | Pressure unit changed from kgf/cm2 to Pa in accordance with the revision of
Weights and Measures Law Entered positions of President of the Hyogo Metrology Association and Managing Director of the former Japan |
| 2000 | Received the Kobe Region Development Award of Merit |
| 2001 | Takeyoshi Migishita rewarded with a Yellow Ribbon Medal |
| 2005 | Acquired ISO 9001:2000 certification. Seiichi Migishita replaced Takeyoshi Migishita as 3rd President. |
| 2007 | Acquired JIS B 7505 accreditation. |
| 2008 | Acquired JIS B 7505-1 accreditation. |
| 2012 | Transfer Tokyo office to Present address. |
| 2019 | 100years since its founding |
| 2024 | Transfer Tokyo office to Present address(5-21-2, MITA, MINATO-KU,TOKYO). |
Acquired Certification No.
・JIS Certification
- Issue date:October 19, 2007
- Certification No.:JQ0507048
- Certified product category:Bourdon tube pressure gauge
・ISO certified
- Registration Nos.
- JQA-QMA12198
- ISO 9001：2008
- JIS Q 9001：2015
- certified
・Special measuring device type approval No.
- Approval date:December 19, 1995
-
- Type of special measuring device:Aneroid pressure gauge (Mechanical)
Bourdon tube type (Steel alloy)
Max. Pressure 200.2 MPa - Type approval No.:X959
- Type of special measuring device:Aneroid pressure gauge (Mechanical)
-
- Type of special measuring device:Aneroid pressure gauge (Mechanical)
Bourdon Tube Type (Copper)
Max. Pressure 25MPa - Type approval No.:X9510
- Type of special measuring device:Aneroid pressure gauge (Mechanical)
Bourdon tube 
