ComScore, which is an Internet marketing research company has released a report, which shows key trends in the U.S. mobile phone industry from February to May 2010.  According to the report, 234 million Americans age 13 and older used mobile devices. Device manufacturer Samsung ranked as the top OEM (Original Equipment Manufacturer) with 22.4 percent of U.S. mobile subscribers, up one percentage point from the preceding three month period. LG ranked second with 21.5 percent share, followed by Motorola (21.2 percent share), RIM (8.7 percent share, up 0.5 percentage point) and Nokia (8.1 percent share).

In the smartphone segment, Google saw significant growth during the period, up 4.0 percentage points to capture 13.0 percent of smartphone subscribers. RIM was the leading mobile smartphone platform in the U.S. with 41.7 percent share of U.S. smartphone subscribers, followed by Apple with 24.4 percent share and Microsoft with 13.2 percent., while Palm rounded out the top five with 4.8 percent. Despite losing share to Google Android, most smartphone platforms continue to gain subscribers as the smartphone market overall continues to grow.