About 2 Trademarks found that are owned by Yao Liangmei

Cell phone cases; Converters, electric; Earphones and headphones; Electronic timers; Loudspeakers, headphones, microphones and CD players; Smartwatch bands; Solar batteries; Webcams; Wireless chargers

3D spectacles; Accelerometers; Adapter plugs; Alarm monitoring systems; Antennas; Anti-glare glasses; Audio speakers for automobiles; Bags and cases specially adapted for holding or carrying portable telephones and telephone equipment and accessories; Cabinets for loudspeakers; Card readers for credit cards; Computer hardware and peripheral devices; Contact lenses; Dog whistles; Hourglasses; Scales; Electronic collars to train animals; Measuring rules