1997 : First Japanese person to ski solo to the Geographic North Pole
1995 : Solo ski to North Magnetic Pole
1990 : Solo crossing of the Sahara Desert (5000km) pulling cart in 129 days.
1988 : Climbed Korzhenevskaya and Kommunizm.
1987 : Attempted Nanga Parbat , sustained injury to face at 6700m from falling ice block.
1986 : Climbed Aconcagua, crossed Chile and Argentina on foot.
1985 : Climbed Mt. Rainier,Shasta and Whitney, Popocatepetl, Pico de Orizaba, Cotopaxi, Chimborazo.
1984 : Completed Boston marathon, New York marathon, Honolulu marathon.
1983 : Climbed Mt. McKinley, walked across USA, Los Angeles to New York (180 days)
1982 : Yukon river by raft (2000km), rode bicycle from Alaska to New York