What does バースデーケーキ look like on Sharp?

On Sharp it is the design shipped in Pi 4000, shown above at full size. Older revisions are listed beneath it.

When did Sharp add バースデーケーキ?

Sharp first drew バースデーケーキ in Pa 8500, released 1988年9月30日.

Sharp Corporation has shipped 2 versions of バースデーケーキ. Each is dated, so you can see when the design changed.

Sharp

Sharp Corporation has drawn バースデーケーキ 2 times. Every revision Sharp has shipped is below, newest first.

What does バースデーケーキ look like on Sharp?: On Sharp it is the design shipped in Pi 4000, shown above at full size. Older revisions are listed beneath it.
When did Sharp add バースデーケーキ?: Sharp first drew バースデーケーキ in Pa 8500, released 1988年9月30日.
How many times has Sharp redrawn バースデーケーキ?: Sharp Corporation has shipped 2 versions of バースデーケーキ. Each is dated, so you can see when the design changed.

Sharp artwork for this emoji spans 1988 to 1994.