u-bloxU2T Photonics AgUchihashiUCTECH(盈联科技)UDE (湧德)Ulti-MateUltralife Batteries IncUltraVoltUnicom Electronic CorpUnicorn(高麟)UnigenUniohm(厚声)uocnet(友嘉)Union(英联)Union Technology CorpUTC(友顺)UMC(联华电子)UMSUnity Opto Technology(东贝光电)Universal Microelectronics Co Ltd(环隆科技)Universal Semiconductor IncuPI Semi(‎力智)US ConecUSDSCUsha LtdUshio Opto Semiconductors IncUTK ComponentUtron(祁昌)UNIC(紫光)UNISOC(紫光展锐)UDOOUnictron Technologies(咏业)UnitedSiCUniversal Lighting TechnologiesUS-LasersUSoundUMCUnitpower(合力精密电子)UNISEM(宇芯)UMW(友台)Univision(悠景)USAKRO(美韩)UNI-T(优利德)usr(有人)UTEK(宇泰)USI(环旭)UMaxconn(友贸)UNEO(利永)Ubibot(云动力)Unisound(云知声)UNIOHM(祐勤)UCWave(佑创)UMOPTO(煜明光电)UN(友恩)ultraleapUSRoboticsuSenlight(佑胜)UNITED(怡德)Un Semiconductor(优恩半导体)UNICMICRO(广芯微)UTX(昱电)Unicore(和芯星通)UNIONMEMUniStrong(合众思壮)Uniontech(统信)UTX(昱新)UCS(联芯科)UWE(优微)UXfastic(优迅)UNI(宇力)UCchip(御芯微)UMPCOUltraChip(晶宏)UniStar(联星科通)UCB(联芯桥)UtrasenseUANT(优比)UGREEN(绿联)UE(华富)UPT(联合辉腾)UNSI(裕合)U-NIKC(旭康微)UPMICRO(UPMICRO)U-LINK(乐享智联)UDinfo(宇达)Unionman(九联科技)Unicomsemi(联芯通)ULTRASILICON(极景微)UHV-POWER(冠优电源)ULTraception(优智联)UIY(优译)U.R.T(光联)Unipowerultralevel(超高)ucundata(优存)us electronicsUpside Down Labsunitense(万悟创新)unirise(联盈)uvsemicon(优能新源)Unitend (数字太和)UniIC(紫光国芯)US Toyo Fanunigroup(紫光集团)UNIQU&T(攸特)Universal ElectronicsUDF(优迪)United Optical(联合光学)Unisemipower(芯合电子)