Special professor, University of British Columbia (UBC)
1989
Lecture, Cornell University and Toronto University。
1990
Lecture, Harvard GSD
1995
"National Merit Award" "Canadian Society of Landscape Architects" for Nitobe Memorial Garden renovation
1997
"National Grand Prize" "Japanese Institute of Landscape Architecture" in the field of design and works. "Encouragement Prize of Culture" Yokohama City
1999
Annual Award(to encourage new talent in fine arts)from Ministry of Education
2003
Minister Award form the Ministry of Foreign Affairs Minister Award form the Ministry of Land , Infrastructure and Transport
2005
"Gala Spa Award 2005" (Special prize) , Garmany Meritorious Service Medal from Canadian Government. Honorary Degree from the University of British Columbia.
2006
Cross of the Order of Merit from the Federal Republic of Germany.
2007
"Encouragement Prize" AACA (Japan Association Of Artists Craftsman & Architects)
2010
2010 Kanagawa Prefecture Architectural Award Excellent Award
2013
Lecture, Peking University
2017
"Platinum" from A'DESIGN AWARD & COMPETITION for "Yu-kyu-En" (Garden for Hofu City crematorium Yamaguchi Prefecture) and "Garden for THE PAVILIIA HILL"(THE PAVILIA HILL Hong Kong)