Microsoft: 19,800 patents.

Microsoft was the one corporation which grew large and successful without patents. They relied on copyright. But with the increasing patent collection of rivals, the company also began to make a patent portfolio.

Motorola: 21,027 patents.

21,027 patents are granted in Motorola's name. But with the acquisition of a part of it by Google- Motorola wireless- Company will lose about 17,000 patents.

Intel: 21,153 patents

The world's largest and highest valued semiconductor chip maker had recently bagged a $120 million hoard of patents.