Micron Technology Inc. and Hynix Semiconductor Co. this week confirmed they have been interviewed by the Federal Trade Commission in an investigation of actions by Rambus Inc.
The investigation apparently centers on Rambus actions in not disclosing its synchronous patent applications while a member of the industry JEDEC panel drafting a SDRAM standard.
A Micron spokesman said the FTC has subpoenaed records and interviewed company officials on the matter. Farhad Tabrizi, Hynix vice president of worldwide marketing, said he and others of the Korean chip firm have been interviewed by the FTC regarding Rambus.
Rambus has long maintained it knows nothing about an FTC probe into the firm's behavior at JEDEC.
Indications the FTC was investigating Rambus first surfaced early this year.
The watchdog agency is also said to be considering formulating a rule to require any one participating in an industry standards-setting body to make full disclosure of all pending or issued patents regarding any matter under discussion.
It isn't clear if the FTC is specifically targeting Rambus for any action or if the interviews with DRAM makers is part of the larger rule making effort.
A federal court jury in Richmond, Va. has already found that Rambus committed fraud. Rambus has appealed that verdict.