Group 1 - Japan Activation Capital (JAC), led by former Carlyle executive Hiroyuki Otsuka, has acquired shares in Pigeon Corporation, a baby products manufacturer, betting on overseas demand for its products as Japan's birth rate approaches the lowest in the world [1] - JAC has purchased less than 5% of Pigeon Corporation's shares and will act as a minority shareholder, providing consulting services to Pigeon's management [1]