Hokkaido Museum of Modern Art, Saporo, Japan
Glasmuseum Düsseldorf, Germany
Museum of Applied Arts, Prague, Czech Republic
The Corning Museum of Glass, Corning, U.S.A.
Moravian Museum of Applied Arts, Brno, Czech Republic
Koganezaki Museum of Glass, Koganezaki, Japan
... and many private collections in U.S.A., Austria, Germany, France, Great Britain ...