Nobuko Kobayashi

Profits and pitfalls -- taking over a Japanese company

Private equity investors should look to boost growth

High-profile sexual harassment scandal raises hard questions about men and women at work

Groups need to reshape before the arrival of hostile investors

Companies and regions should increase ties with the rest of the world

Sexual harassment is widespread but rarely discussed in public. This must change

The government must push companies to set aside stereotypes and promote women

Older childless singles have much to offer society

Its business community could help by losing its closed-mindedness

Perhaps the chance to lead on climate change, trade and other issues