2006 Solo Exhibition Kyoto Gallery Gallery
2006 6th Yurinkan Art Festival Kiryu-shi Gunma-ken Japan;
Junichi Arai,Kyoko Kumai,Takehiko Sanada
Object “Road of Water-Grass”
2017 Collected at Oita City Museum of –Art
Object “Thick Growth”
1999 “Objects of Linear Construction” Yokohama Museum of Art
2006 6th Yurinkan Art Festival Kiryu-shi Gunma-ken Japan;
Junichi Arai, Kyoko Kumai, Takehiko Sanada
2013 Collected at Yokohama Museum of Art