Marshals seized $736,000 from those accounts in 1990, and the executives pleaded guilty to fraud.
Several other executives have pleaded guilty to various charges related to the accounting scandal and are cooperating in the investigation.
Since then, 15 executives, including 5 chief financial officers, have pleaded guilty or been convicted of participating in the fraud.
All three executives have pleaded not guilty to the charges.
Three executives with Asian companies pleaded guilty to price-fixing yesterday.
An executive for the Japanese company has already pleaded guilty in the case, Federal officials say.
The company and the executives have pleaded not guilty.
Three other executives have pleaded guilty in the case.
All three former executives have pleaded not guilty.
The 37-year-old executive pleaded guilty to perjury and now faces a sentence of up to five years in prison.
