Samsung SDI Co Ltd (006400.KS)
* Samsung group electric car/parts patent filings up since 2010
* Lotte to buy stake in assets including Samsung Fine Chemicals -paper
* To sell HQ building with book value of 350 bln won (Adds quotes, Samsung Group reorganization)
* Fund seen pressuring Samsung for concessions-analyst (Updates with source confirmation on Elliott's Samsung SDI investment)
SAN FRANCISCO, June 1 Five companies including Samsung SDI Co Ltd and Koninklijke Philips agreed to pay a total of $528 million to resolve a class action lawsuit alleging price fixing in the market for cathode ray tubes, according to a court filing.