Filching trade secrets to keep up with the competition is a device as old as buying and selling, and just as international. Nowhere does it flourish more than in Japan. An estimated 10,000 commercial spies honeycomb Japanese industry; in Tokyo alone there are 380 detective agencies that specialize in stealing corporate secrets. Last week industrial espionage achieved a new pinnacle of respectability in Japan with the opening of the Institute for Industrial Protection, a school avowedly established to train spies and counterspies for Japanese corporations.
Legal Theft. Japanese industrialists complain that they lose millions of dollars yearly because spies pass...