Nidec's rise and fall fuels calls for sweeping overhaul of Japanese company

Michio Kaida, left, the new president of Japanese motor maker Nidec, has been called upon to improve the company's business performance and corporate culture as it faces the risk of being delisted. Founder Shigenobu Nagamori, right, remains a major shareholder. (Nikkei montage/Source photos by Kazuho Fujiwara, Satoko Kawasaki, Kosaku Mimura and Nidec) Investors question whether motor maker can rebuild without outside help TOKYO -- Seth Fischer is no stranger to challenging the management of some of Japan's biggest companies. His Hong Kong-based activist fund, Oasis Management, has helped oust directors at elevator maker Fujitec and pressed consumer goods group Kao for governance reforms in recent years.