Received the Bijyutsu Shuppan-Sha Art Criticism Prize (1966)
Lecturer in art at the Shyo(-)wagakuin College (1975-1994)

The Denotative Works : marginal problems concerning Contemporary Arts(1984)
The Another Category of Meaning for Paintings(KOZO,no.4-no.14)
YAMASHITA† KIKUJI : a critical point between the Art and Politics(KOZO,no.7-no.10)
KISHIO SUGA : deviating phases of the surface (KOZO,no.6)
Meaningless Matter : the both sides of Tristan Tzara(AIDA,no.103).
etc.

emails : r-hirai@lapis.plala.or.jp