About 1 Trademarks found that are owned by Yang Yicai

Cases for eyeglasses and sunglasses; Chronographs for use as specialized time recording apparatuses; Computer network adapters, switches, routers and hubs; Eye glasses; Eyeglass chains and cords; Eyeglass frames; Eyeglass lenses; Kitchen timers; Loudspeakers, headphones, microphones and CD players; Protective covers and cases for cell phones, laptops and portable media players; Smart watches; Smartwatch straps; Sunglasses; Time switches; 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