B. Sc. 1986 Tokyo University of Fisheries
M. Sc. 1989 Graduate School of Fisheries, Tokyo University of Fisheries
Ph. D. 1992 Graduate School of Fisheries, Tokyo University of Fisheries
June 1992-October 1992 Assistant, Tokyo Fisheries University
November 1992-March 1994
The 34th Japanese Antarctic Research Expedition (Overwintering members)
July 1993-October 2003 Assistant Professor
Faculty of Fisheries, Tokyo University of Fisheries
November 1995-March 1996
The 37th Japanese Antarctic Research Expedition (Summer member) <
November 2001-September 2003 Associate Professor
Faculty of Fisheries, Tokyo University of Fisheries<
October 2003-March 2007 Assistant Professor
Faculty of Marine Science, Tokyo University of Marine Science and Technology
April 2007-December December Associate Professor
Faculty of Marine Science, Tokyo University of Marine Science and Technology
January 2016-Present Professor
Academic Research Institute, Tokyo University of Marine Science and Technology
2006 Award of Excellence for the Science Papers, Japan Society of Fisheries Science
2012@Award of Excellence for the Science Papers, Marine Acoustic Society of Japan