This W3C note addresses the issues of using Japanese characters in XML documents. In particular, ambiguities in converting existing Japanese charsets to Unicode are clearly pointed out.

Provides news, interviews, and reports covering e-commerce and the internet economy in Japan.

Provides high-quality CJK information consulting and information processing services.

A small tutorial on installing Ghostscript with Japanese fonts (Unix and Windows).

About.com article and guide to Japanese Encoding Methods.