Immersion Corporation, a developer and licensor of touch feedback technology, announced today that the U.S. District Court for the Northern District of California (Judge Claudia Wilken) upheld a previous judgment to penalize Sony Computer Entertainment, Inc. and Sony Computer Entertainment of America, Inc. $82 million in damages for patent infringement—the Court's original verdict stated that Sony infringed all 16 claims of U.S. Patent Nos. 6,275,213 and 6,424,333. The Court also tacked on "pre-judgment interest