SAN DIEGO AP – Qualcomm Inc., the world’s second-largest chipmaker for cell phones, became a wireless industry powerhouse in the 1990s with its engineering prowess and skill at licensing rights to its patented technology to other companies.

Broadcom Corp., which made its name with semiconductors for electronic devices including cable modems and television set-top boxes, is a newcomer to the cell phone market but has been inflicting plenty of pain on its larger rival in court.