Key Facts
A recent investigation has revealed that Japan Airport Terminal Co., Ltd., the operator of Haneda Airport’s terminal buildings, was involved in a financial misconduct case. The company’s subsidiary, Big Wing, reportedly paid approximately 1 billion yen (around $7.3 million) over five years to a consulting firm with no actual business operations. This firm was led by the son of Makoto Koga, a former secretary-general of Japan’s Liberal Democratic Party. The payments, made between 2011 and 2016, were flagged by the Tokyo Regional Taxation Bureau as tax evasion.
Following these allegations, Japan Airport Terminal launched an internal investigation in March 2025. The findings, published on May 9, 2025, revealed that the company’s president, Nobuaki Yokota, had orchestrated the transactions to benefit Koga’s son. The report also implicated Chairman Isao Takajo, who was found to have condoned and facilitated the misconduct.
Despite the initial exposure of the payments in 2016, the investigation uncovered that similar transactions continued through another company. This raised further concerns about the company’s governance and oversight practices. Both Yokota and Takajo resigned from their positions on May 9, 2025, following the release of the investigation report.
The case has drawn significant public and regulatory scrutiny, highlighting the need for stricter corporate governance and transparency in Japan’s business sector. The full investigation report and related findings have been made available to the public.
For further details, visit the original report: Japan Airport Terminal Co. Investigation Report.
Summary
An internal investigation by Japan Airport Terminal Co., Ltd., the operator of Haneda Airport’s terminal buildings, has confirmed financial misconduct involving its subsidiary, Big Wing. Between 2011 and 2016, Big Wing paid approximately 1 billion yen (around $7.3 million) to a consulting firm with no actual business operations. This firm was led by the son of Makoto Koga, a former secretary-general of Japan’s Liberal Democratic Party. The Tokyo Regional Taxation Bureau flagged these payments as tax evasion.
The investigation, launched in March 2025, revealed that company president Nobuaki Yokota orchestrated the transactions to benefit Koga’s son. Chairman Isao Takajo was also implicated for condoning and facilitating the misconduct. Despite the payments being exposed in 2016, similar transactions reportedly continued through another company, raising concerns about governance practices.
On May 9, 2025, the investigation findings were published, leading to the resignations of Yokota and Takajo. The case has drawn public and regulatory scrutiny, emphasizing the need for improved corporate governance and transparency in Japan’s business sector.
For more details, refer to the full report: Japan Airport Terminal Co. Investigation Report.
