About 1 Trademarks found that are owned by Huang Dingyuan

Camcorders; Antenna parameter measuring apparatus; Cabinets for loudspeakers; Connections, electric; Consumer electronic products, namely, audio amplifiers, audio speakers, audio receivers, electrical audio and speaker cables and connectors, audio decoders, video decoders, speakers, power conversion devices, power converters, and power inverters; Electric relays; Headsets for cellular or mobile phones; Integrated circuits; Laboratory equipment and supplies, namely, thermometers; Laser measuring systems; Measuring apparatus, namely, clamp meters for measuring electricity; Pressure measuring apparatus; Slide calipers; Stands adapted for mobile phones; Sunglasses and spectacles; Testers for axle clearance; Thermometers not for medical purposes; USB cables; Vacuum gauges; Voltage testers; Wireless transmitters and receivers