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Here's what they do, from Google Finance;
MIPS Technologies, Inc. develops embedded processors and related intellectual property for use in markets, such as digital consumer, wired and wireless communications, including broadband access, office automation, security and automotive markets. The Company has developed standards for both 32-bit and 64-bit computing. It licenses its industry-standard MIPS32 and MIPS64 instruction-set architectures, application specific extensions, core designs and other related intellectual property to semiconductor companies and system original equipment manufacturers. MIPS Technologies, Inc. has more than 155 license agreements with more than 105 companies around the world offering more than 280 processor-based chips for the embedded market.