Company Information

History

1950

The medical equipment and special tube divisions of Japan Radio Co., Ltd. became independent and were established as the “Medical Science Research Institute Co., Ltd.”.

1954

The Radiation Measuring Instruments Division was established. Released the DC-1 GM tube measuring instrument.

1957

Started in-house production of GM tubes. Released the low background radiation measuring device.

1958

The company name was changed to "Japan Radio Medical Science Research Institute Co., Ltd."

1959

Released the GM survey meter TGS-101 model.

1960

First released the MBR-1 type GM tube-type contamination inspection device for radiation workers in Japan.

1961

Released the Waste water monitor MWB-1 model.

1964

Developed a monitoring post for nuclear ships.

1966

Released the Liquid scintillation system LSC-601.

1971

Released the low background liquid scintillation system LSC-LB1, thin window gas flow thin layer chromatograph JTC-203, GM survey meter TGS-113, ionization chamber survey meter ICS-151, and scintillation survey meter TSC-212.

1972

Released the MSR-370 series comprehensive radiation monitoring system and the LBC-452U low background radiation measuring device.

1973

Released the whole body counter WBC-R type and gate body surfacemonitor MBR-23, 24 types.

1974

Released the Liquid chromatograph RLC-601 model.

1976

Company name changed to "Aloka Co., Ltd."

1983

Released the Liquid scintillation system LSC-1000.

1984

Released the large-area plastic scintillation detector type body surface monitor, model MBR-36.

1988

Survey meter series updated to SI units.
Released the Radiation monitoring system MSR-500 series.

1989

Released the MYDOSE Mini series, the personal radiation exposure dosimeter that uses a semiconductor detector.

1994

Monitoring posts for monitoring the periphery of nuclear facilities are updated with intelligent functions.

2002

Established the "Iruma Measurement Center", a radiation measuring instrument calibration facility, in Iruma City, Saitama Prefecture.

2004

Released the MSR-3000 series comprehensive radiation monitoring system.

2011

Became a wholly owned subsidiary through a tender offer by Hitachi Medical Corporation, and changed its name to "Hitachi Aloka Medical Co., Ltd."

2014

Fukushima Measurement Center, a radiation measuring instrument calibration facility, established in Fukushima Prefecture.

2015

Released the Survey meter "LUCREST" series.

2016

All divisions other than the manufacturing division were spun off and inherited by Hitachi, Ltd., and the manufacturing division was absorbed into Hitachi Healthcare Manufacturing, Ltd.
The radiation measurement business continued as the Analytical Systems Division of the Healthcare Business Unit of Hitachi, Ltd.

2018

The maintenance department was transferred to Hitachi Healthcare Systems, Ltd.

2020

April: Hitachi Healthcare Manufacturing Co., Ltd. is merged to form the Life Business Headquarters, Healthcare Business Division, Analytical Systems Head quarters.
June: The maintenance department in charge of analytical systems from Hitachi Healthcare Systems Co., Ltd. is merged.

2022

June: Hitachi transfers its radiation measurement business to a new company, which is named 「NIPPON RAYTECH Co.,LTD.」.

2024

January: Company name changed to "Aloka Co., Ltd."