Japanese “no vacancy” button emoji 🈵 is part of the Symbols and Alphanumeric Symbols emojis. On some systems it can be accessed by using :japanese_no_vacancy_button:, :ja_no_vacancy: or :u6e80: shortcodes.
It was approved as part of Unicode in 2010 so it should be displayed properly on all devices.
Tags: Ideograph, Japanese, Japanese “no vacancy” button, “no vacancy” and 満