Great tool but you need to update the dictionary. This is outdated. Get your latest dictionaries signed!
This is an invaluable tool. I wish there were a name dictionary as good as this in every language.
This is a great aid in trying to read (or translate) Japanese names. The only difficulty (and not due to Rikaichan) is that the kanji used for names can be read several ways. It is difficult even for Japanese people to read. Nevertheless, this is a great aid.