Some credit cards (such as Sumitomo Mitsui Card) may display only "Online Payment" on the card statement at the time of transaction. After the payment amount is finalized, you will be able to see detailed information such as "ST* Sanu Co., Ltd." as shown below.
*The above is an example of how it appears on the PC version of the Sumitomo Mitsui Card website. For smartphones, please tap the "+" or "∨" on the right end of the statement to view the details.
Reference: For Sumitomo Mitsui Card, the date when the payment amount is finalized is as follows. After this date, you will be able to confirm the statement as described above.
For those with a payment date on the 26th: Around the 15th.
For those with a payment date on the 10th of the following month: Around the 26th.