In 1957, her family emigrated to Peru, where she studied with Eugen Cremer and started to give concerts.

In 1963, she began master classes with Wilhelm Stross in Munich, and with Sándor Végh in Salzburg starting in 1968.

Shiokawa began her professional career in 1963, performing with the Bavarian Radio Symphony Orchestra under Rafael Kubelík and the Berlin Philharmonic under Herbert von Karajan.

Since then, she has played with most of the major orchestras in Europe, the United States, Japan, and Israel.

She has also been active in chamber music and solo recitals, especially with her husband, pianist András Schiff.