Nuclear Industrial Directory of Japan

Nuclear Industrial Directory of Japan



7-5-25, Nishi-Shinjuku, Shinjuku-ku, Tokyo 160-0023, Japan

Contact Person
Dr. Junko Sugaya

Corporate Information

Established in 1971, Japan NUS Co., Ltd. (JANUS) offers technically advanced consulting services that aim to balance energy supply and economic growth with environmental conservation. JANUS has been the choice of hundreds of customers for more than 45 years because of our wealth of knowledge and experience, and our highquality and sincere services. We specialize in technical consulting in the field of energy and environment.

Main Activities

We address the problems of energy and resources. In particular, we have been providing technical consulting services related to nuclear power generation since our foundation.
We have various safety analysis technologies in reliability risk assessment, environmental diffusion of radioactive materials, exposure evaluation, radioactive waste management, etc.
We have deep insights in the regulations in overseas nuclear power generation programs including areas of nuclear power plant licensing, operation and maintenance, plant aging management, nuclear fuel cycle, decommissioning, and health effects of radiation.
We have the most thorough experience and insights for these topics in Japan.
Recently, we are expanding our business to support the overseas development of nuclear power plants by our domestic clients.

Consulting Services

Radiation Protection & Exposure Evaluation:

We develop codes that are applicable to various fields from plume modeling to 3D modeling, and carry out analysis work of atmospheric advection and diffusion,
environmental impact assessment, etc.

Reliability & Risk Assessment:

We support Probabilistic Risk Assessments (PRA) and risk-based management of facilities, including nuclear power plants.

Radiation Effects on Human Health and Environment:

We conduct and support surveys in Japan and overseas on research trends related to radiation effects and regulatory trends related to radiation protection.

Nuclear Information Services & Consulting:

We provide nuclear-related information of the nuclear power plants in Japan and overseas, in various fields such as nuclear regulations, safety issues, operating experience, good practices in maintenance, aging management, etc.

Fuel Cycle and Waste Management:

We carry out surveys on the latest trends in Japan and overseas, safety analysis, etc. in order to support the operation of nuclear fuel cycle facilities, decommissioning of nuclear facilities, and the disposal of radioactive waste.

Environmental Impact Assessments:

We offer broad support for environmental impact assessment procedures in Japan and overseas, namely by helping with surveys, projections, assessments, creation of assessment statements from impact statements, stakeholder meetings, etc.