There's little information available about this case but the list of companies being sued by Ultra is pretty long:
Source: Jonny GuruAntec, Inc. Channel Well Technology Co. Ltd. Channel Well Technology Co. U.S.A., Inc. Corsair Memory, Inc. Enhance Electronics Co. Ltd. E-Power Technology/PCMCIS SPI Electronic Co. Ltd. FSP Group USA Corp. Koolance USA, Mushkin, Inc. OCZ Technology SeaSonic Electronics Co. Ltd. Silverstone Technology, Inc. Spire-Bytecom Fanner Corporation Tagan Technology Co. Ltd. Tagan Technology Co. Thermaltake Technology Co. Ltd. Thermaltake, Inc. Topower Computer Industrial Co. Ltd. Topower Computer U.S.A., Inc. Zalman Technology Company Ltd. Zalman USA, Inc.