The WorldWeave Recommended Business Practices for Japan
Have a good product.
Learn the Japanese market.
Be serious about competing in Japan: people who are sent there should have a working knowledge of the country and the language.
Consider where your best opportunities are, and determine your timing.
Get help from a partner, learn everything you can from the U.S. Department of Commerce: Asian,The US Export/Import Bank, and JETRO.
Go to fairs, exhibitions and cultivate contacts.
Plan for the long-term. Develop an institutional memory.
Use common sense: be courteous and observant.
Practice win-win thinking and planning.
Remember, you're in Japan to compete, not to tell the Japanese how they should be managing themselves.