Which RFID Chip Suppliers Use FRAM Instead of EEPROM?

I know about Ramtron and Fujitsu, but are there others?

—Name withheld

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These are the only two companies of which I am aware that utilize ferroelectric random access memory (FRAM) rather than electrically erasable programmable read-only memory (EEPROM). If any of our readers know of other RFID chip manufacturers offering FRAM chips, they are invited to post information below.

—Mark Roberti, Founder and Editor, RFID Journal