Hitachi v. Vizio/TPV/Envision
On July 22, 2010, Hitachi Consumer Electronics Co. Ltd., and Hitachi Advanced Digital, Inc. sued Top Victory Electronics (Taiwan) Co. Ltd., TPV Int'l (USA), Inc., Envision Peripherals, Inc., Top Victory Electronics (Fujian) Co., Ltd., TPV Electronics (Fujian) Co. Ltd., TPV Technology Ltd., and Vizio, Inc. in the Eastern District of Texas (Case No. 2:10-cv-00260-TJW) for allegedly infringing Hitachi's patents on television receivers.
The asserted patents include U.S. Patent Nos. 5,534,934; 6,388,713; 6,549,243; 6,144,412; 6,037,995; 7,012,769; 7,286,310; and 5,502,497.
Hitachi’s lawsuit appears in response to an earlier patent infringement lawsuit filed by the defendants above (except Vizio) against Hitachi, Ltd. and Inpro Licensing Sarl on April 14, 2010 in the Northern District of California (Case No. 3:2010cv01579).
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