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Nidec Accounting Report Finds ¥160.7 Billion Overstatement as Regulators Open Inspection

A company-appointed probe blamed founder-set profit pressure for widespread improper accounting and the market regulator has begun a formal review that could lead to big fines or a criminal investigation.

Overview

  • A third-party committee appointed by Nidec concluded that improper accounting inflated cumulative net profit by ¥1607 oku (¥160.7 billion) through the April–June 2025 quarter.
  • The committee tied the misconduct to a company culture driven by founder Shigenobu Nagamori’s firm 10% operating-margin target and found improper accounting across head office units and subsidiaries.
  • Reports say the Securities and Exchange Surveillance Commission has begun a statutory inspection of Nidec, which is currently an administrative probe that examines documents and interviews witnesses.
  • The inspection, which moved forward after the committee’s findings were reported, could lead to Financial Services Agency recommendations for administrative surcharges and may be converted into a criminal-level forensic investigation if regulators find especially egregious conduct.
  • The case threatens large penalties because fines can reflect funds raised on false statements, and it raises fresh questions about governance, internal controls, and investor trust at the Tokyo-listed motor maker.