Coins

お釣り
Change

硬貨(こうか)
Coin

Coins in Japan: ¥500 (1982 - 1999, 2000 -), ¥100 (1957 -), ¥50 (1955 -), ¥10 (1951 -), ¥5 (1948 -), ¥1 (1948 -).

There is going to have a new ¥500 in 2021. See 2021年発行予定の五百円バイカラー・クラッド貨（3代目）in 五百円硬貨.

If you accumulated lots of coins >100, most bank can separate them for you (分けてお取引される) with fees (Search 大量硬貨取扱手数料 YourBank).

There are some special coins for Olympics 2020.