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Notice Concerning Inappropriate Conduct in Final Inspection of Certain Power Modules at Ina Works

Notice

Hosaka Corporation

Hosaka Corporation has found that, in the final inspection of certain medical-grade power modules manufactured at Ina Works (Ina City, Nagano Prefecture), the insulation withstand test was not carried out on every unit as the inspection specification requires.

We have contacted the customers concerned and begun re-testing. A special investigation committee of outside experts has been established to determine the facts and causes.

Contact: Corporate Communications Department, Hosaka Corporation press@hosakacorporation.com

The information in this release is current as of the date of publication and may change without notice.