"R" represents the first letter of our original main product, Resistors. This was put together with the unit for resistance " ohm". The "R" now also stands for "Reliability". "Quality First" is ROHM's corporate policy.


ROHM Group aims for continuous growth and sustainable society development. We consider CSR to be quality management.

Investor Relations

View IR materials like financial results, stock information, shareholders meetings and more.

Approach to Quality

Describes various quality initiatives.

Approach to Environment

Links to our Environmental Data Book which discloses important environmental information and the status of environmental activities.

Approach to Health and Safety

View our Occupational Health and Safety Policy and OHSAS 18001 certificate.

Procurement Activities

Here we present the Basic Policies and requests to our Business Partners concerning ROHM's procurement activities.