April 1964	Joined Tokyo Denki Kagaku Kogyo K.K. (currently TDK Corporation)
June 1996	Director, Executive Vice President of Recording Device Business, TDK Corporation
June 1998	President & Representative Director, TDK Corporation
June 2006	Chairman & Representative Director, TDK Corporation
March 2008	Outside Director, Asahi Glass Co., Ltd. (currently AGC. Inc.)
June 2008	Outside Director, TEIJIN LIMITED
	Outside Director, Nomura Securities Co., Ltd.
June 2009	Outside Director, Nomura Holdings, Inc.
March 2011	Outside Audit & Supervisory Board Member, Nikkei Inc.
June 2011	Director, Chairman of the Board & Directors, TDK Corporation
October 2011	Councilor, Waseda University
April 2012	Executive Adviser, Japan Management Association
June 2012	Executive Advisor, TDK Corporation
July 2014	Vice President, Board of Trustees, Waseda University
June 2015	Outside Director, Japan Display Inc.
	Director of EBARA CORPORATION (to present)
	Member of the Compensation Committee of EBARA CORPORATION
July 2018	President, Board of Trustees, Waseda University (Retired in June 2022)
April 2019	Adviser of the Executive Board, Value Creation 21 (to present)
March 2020	Chairperson of the Compensation Committee of EBARA CORPORATION
June 2021	Outside Director, Tokyo Broadcasting System Holdings, Inc. (to present)
March 2022	Chairperson of the Nomination Committee of EBARA CORPORATION (to present)