Irvine-based Integrien, a developer of IT performance analytics software, announced this morning that it has received another patent on its technology. The firm said that the patent is the second issued for the firm, which has another 11 additional patent applications. The patent is U.S. Patent 7,620,523, entitled "Nonparametric method for determination of anomalous event states in complex systems exhibiting non-stationarity", and named Mazda A. Marvasti and Daniel R. Jeske as inventors. Marvasti is Integrien's CTO. Jeske is a Professor and Chairman of the Department of Statistics as UC Riverside. Integrien is venture backed by Clearstone Ventures and the Acartha Group.