| 1957 |
Milan Triennial/Golden Prize |
| 1958 |
Brussels EXPO/Bronze Award |
| 1963 |
California State Fair/Golden Prize |
| 1964 |
MoMA/Permanent Display Award |
| 1966 |
MITI G-Mark Award (9) |
| 1967 |
MITI G-Mark Award (1) |
| 1972 |
Buenos Aires Design Center/Permanent Display |
| 1972 |
Japan Design Committee |
| 1972 |
Osaka Design Center/Good Design (5) |
| 1972 |
Osaka Design Center/Annual Award |
| 1972 |
MITI G-Mark Award (10) |
| 1974 |
Japan Design Committee/Annual Award |
| 1974 |
MITI G-Mark Award (2) |
| 1979 |
Sao Paulo Museum of Modern Art, 20th Century Industrial Design Award/Permanent Display |
| 1982 |
Japan Interior Designer Association Award |
| 1982 |
MITI G-Mark Long Life Design Award (2) |
| 1985 |
Craftwork Foundation 13th Kunii Kitaro Industrial Craftwork Award |
| 2000 |
Singapore International Furniture Exhibition/Grand Prix |
| 2002 |
Jakarta Furniture Exhibition/Grand Prix |
| 2002 |
Indonesia Good Design/Grand Prix |
| 2003 |
JIDPO ASEAN Design Selection/Good Design |
| 2003 |
Indonesia Good Design/Potential Export Product Award |
| 2004 |
Asahi Newspaper 4th Wooden Chair in living/Award of Excellence |
| 2005 |
Indonesia Good Design/Golden Prize |
[Note: (number of pieces awarded)]