Nuclear Industrial Directory of Japan

Nuclear Industrial Directory of Japan

Japan Environment Research Co., Ltd. Japanese only)


Nishishinnjyuku Mitui Bldg., 6-24-1, Nishi-Shinjyuku, Shinjyuk-ku, Tokyo 160-0023, Japan

Contact Person
Mr. Masashi Kawamura

Corporate Information

Japan Environment Research Co., Ltd(JER) was founded in 1973. We have been certified as a public working environment measurement authority (radioactive material). We provide measurement and analysis services of the radioactive materials based on ISO9001 (JQA-QM9735). We also provide safety services and manufacture specialty equipment for all customers working in the radiological workplace.

Main Activities

Leading Products

ALARATM Ventilator
Durable and transportable ventilator for radioactive environment

One-hand GM survey meter equipped with judgment function for contamination.

ALARA®SD is a films tripping – type decontamination agent having chelate capacity.
It is used in the TMI accident and has a track record in nuclear power plants in Japan.

ALARA® kappa suit
ALARA® kappa suit is designed as protective clothing with low body load using waterproofing and moisture permeable materials.
Work efficiency is improved by reducing the thermal load of the operator.

ACF filter for radioactive iodine
A filter made from activated carbon fiber (ACF) to adsorb organic or inorganic radioactive iodine (left), and a ventilating system equipped with ACF filter(right).

Unique Service

CN leakage test

High sensitive leakage test to find extremely small leaks in heat exchanger and condensers tubes.