The links provided herein are not meant to be exhaustive, but most have been selected because they are main sites with their own links to thousands of pages of related sites.
JAPANESE GOVERNMENT
House of Councillors - The National Diet of Japan - An excellent site for information on the government of Japan. Good links page containing all the main government sites available in English
Prime Minister of Japan and his Cabinet - An interesting site providing information on the Prime Minister and his government's position on various issues
Ministry of Economy, Trade and Industry - Good site with a lot of information on government business and trade policies - good links
JAPANESE LEGAL SYSTEM
Supreme Court of Japan - Excellent site with an overview of the Court system in Japan
Ministry of Justice - Check out the organization page to see its various areas of responsibility - otherwise a very basic site with no English links
Japan Federation of Bar Associations - Interesting regulations detailing attorney practice, ethics and fees. Surprisingly, no links in English to the local bar associations - because the local bar associations seem to have little English information. A noteworthy exception is the Tokyo Daini Bar Association - but it was last updated in 1996.
Service of Process in Japan - Information from the US government for US attorneys on the legalities of service of process in Japan for the purpose of litigation in US Courts
JAPANESE BANKING AND FINANCE
Ministry of Finance - Site for details on Japan's tax and budget policies
Bank of Japan - Main site for information on Japan's banking system
Financial Services Agency - Overseer of financial institutions in Japan. Good links page to various financial sites
Securities and Exchange Surveillance Commission (SESC) - Watchdog for the securities industry, with a good explanation of their function and organization
Mizuho Securities Research and Links - Very comprehensive site on a range of legal and financial issues in Japan, and a great selection of tools for translators.
OTHER SITES ON JAPANESE LEGAL TOPICS
Japan Commercial Arbitration Association - A good list of related links on Arbitration
Japanese Law Links - An excellent collection of law links by Luke Nottage
FOREIGN LAW RESOURCES
Martindale-Hubble Lawyer Locator - One of the web's most valuable resources for locating information about lawyers and law firms around the world
World Legal Information Institute - An independent and non-profit organization with an incredible collection of legal databases from around the world. A must-see for legal research.