Accuray Inc. of Sunnyvale, Calif., will collaborate with Siemens Medical Solutions Inc. of Malvern, Pa., to develop imaging devices and software for radiosurgery and radiotherapy applications. Specifically, the two companies plan to integrate and improve Siemens’ CT technology and Accuray’s robotic radiosurgery system as well as other products. Baylor College of Medicine in Houston has obtained nonexclusive rights from Affymetrix Inc. of Santa Clara, Calif., to patents for comparative genomic hybridization microarray services that comply with Clinical Laboratory Improvement Amendments regulations.