\documentclass{jarticle}
\usepackage{subfigure}

\begin{document}

\section{test}

\verb|\usepackage{subfigure}|

%\setlength{\subfigcapskip}{5pt}

\begin{table}[h]
\caption{キャプション}
\centering
\subtable[caption]{
\begin{tabular}{|c|c|}
\hline
A&B\\
\hline
C&D\\
\hline
\end{tabular}
}
\hspace{20mm}
\subtable[CAPTION]{
\begin{tabular}{|c|c|c|}
\hline
E&F&G\\
\hline
H&I&J\\
\hline
K&L&M\\
\hline
\end{tabular}
}
\end{table}

\end{document}
