August, 1950 |
Founded as a service shop in Japan for hydraulic jet pipe type automatic controllers by ASKANIA, Germany. |
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April, 1953 |
Established SEIRITSU ENGINEERING CO., LTD. |
June, 1953 |
Started manufacturing and selling hydraulic jet pipe type automatic controllers. |
March, 1959 |
Started manufacturing and selling full-electronic automatic controllers, electro-hydraulic actuators |
March, 1966 |
Started manufacturing and selling the optical filled bottle inspector of " Level Eye" for use with bottled beverages. |
March, 1971 |
Started manufacturing and selling electric packaged controllers and electric actuators. |
December, 1980 |
Co-developed variable capacity valve for trace of amounts of gases of the " Variable Port Valve" with Tokyo Gas. |
Started manufacturing and selling digital differencial pressure indicators and other electronic instruments for boilers, industrial furnaces, and clean room. |
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March, 1981 |
Co-developed automatic anti-surge systems and pressure controllers for turbo compressors with Ishikawajima-Harima Heavy Industries. |
December, 1981 |
Started manufacturing and selling the function calculator of Variable Functioner that is equipped with a microcomputer. |
October, 1982 |
Co-developed combustion air volume controller with Mitsubishi Heavy Industries. |
December, 1985 |
Developed strip guiding system for steel production lines and started manufacturing and selling overall systems that include sensors, servo units, etc. |
February, 1986 |
Started manufacturing and selling system controllers integrated PID controller and positioner with microcomputer. |
October, 1992 |
Developed a direction control valve type electro-hydraulic actuator |
August, 1995 |
Developed the X-ray type New Level Eye as a filled bottle inspector for use with canned beverages and started manufacturing and selling it. |
December, 1998 |
OKAYA & CO., LTD. became the top shareholder and was renamed as OKAYA SEIRITSU ENGINEERING CO., LTD. |
April, 2004 |
Delivered the first hydraulic controller for furnace top pressure recovery power generation at steel mill. |
June, 2006 |
Sales tie-up with EMG, Germany in the field of steel production line control. |
September, 2006 |
Developed high-performance and high-speed X-ray type filled bottle inspectors and started manufacturing and selling them. |
October, 2007 |
Obtained qualification for installing machinery and apparatus in accordance with the Japanese Construction Industry Act. Qualification No.: Permitted by Governor of Tokyo (General-19) 128960 |
2August, 2007 |
Developed a room pressure controller with a microcomputer. Started manufacturing and selling it. |
December, 2007 |
New company building was completed in Adachi-ku and the headquarters factory transferred from Ota-ku. |
February, 2008 |
Delivered the first hydraulic controller for opening/closing the water gates of drainage pump stations. |
March, 2009 |
Obtained ISO9001: 2000 certification. |
February, 2010 |
Obtained international standard certification for an explosion-proof type electro-hydraulic actuator. |
March, 2010 |
Upgraded to ISO9001: 2008. |
May, 2010 |
Development of X-ray bottle level checker (LE4-60) and started manufacturing and sales. |
January, 2011 |
Development of high speed electro-hydraulic actuator (SST series) for steel mills and started manufacturing and sales. |