Toshiya Kobayashi Official Site
ORYX FOUNDATION. Luzern. Switzerland.

TENSHI HOSPITAL. Sapporo. Japan.

PALACE HOTEL TOKYO. Tokyo. Japan.

Japanese Red Cross Society. Tochigi. Japan

MUSEUM BIEDERMANN, Donaueschingen, Germany

Chemische Fabrik Dr. Weigert GmbH & Co. KG, Hamburg, Germany

Ulrike and Oswald Klingmuller collection, Mannheim, Germany

Rik Reinking Collection, Hamburg, Germany

NEUES MUSEUM WESERBURG, Bremen, Germany

Bang & Olufsen main office in Germany, Munchen, Germany

Sony main office in Japan, Tokyo, Japan

Hideyuki Oka collection,Maebashi,Japan

other. many private collections