President and Representative Director
DIA PHARMACEUTICAL CO., LTD.
Representative Director of the Board President, Executive Officer, CEO
Sekisui House, Ltd.
Aqura Group Co., Ltd.
President
ARSOA Keio Group Corp.
CEO
CHUO KAKOHKI Co.,Ltd.
President & CEO
Food Techno Engineering Co., Ltd.
Chief Executive Officer
i-PRO Co., Ltd.
SB Technology Corp.
President and CEO
E. Katayama & Co., Ltd.
Sanshin Manufacturing Co.