Samsung holds a 10% stake in Sungjin Geotec, an offshore oil drilling company that is a subsidiary of POSCO. Taylor Energy is an independent American oil company that drills in the Gulf of Mexico based in New Orleans, Louisiana. Samsung Oil & Gas USA Corp., subsidiaries of Samsung, currently owns 20% of Taylor Energy. Samsung owns 5% of Wacom. Major clients of Samsung include: The basic color in the logo is blue, which Samsung has employed for years, supposedly symbolizing stability, reliability and corporate social responsibility. Samsung has an audio logo, which consists of the notes E♭, A♭, D♭, E♭; after
Samsung S2 T-Mobile, Galaxy S2 Epic 4G, Galaxy S Showcase, Droid Charge and Galaxy Prevail) in the United States which has been denied by the court. In 2015, Samsung has been granted more U.S. patents than any other company - including IBM, Google, Sony, Microsoft and Apple. The company received 7,679 utility patents through 11 December. On 2 August 2016, Samsung Electronics unveiled the Galaxy Note7 smartphone, which went on sale on 19 August 2016. However, in early September 2016, Samsung suspended sales of the phone and announced an informal recall. This occurred after some units of the phones had batteries