About 2 Trademarks found that are owned by Yu Youqiang

Earbuds; Earphones; Headphones; Smartglasses; Audio headphones; Electronic pocket translators; Game headphones; Hand scanner; Headsets for use with computers; Music headphones; Protective cases for audio equipment in the nature of speakers, headphones, audio mixers; Smart watches; Stereo headphones; Virtual reality headsets; Wireless headsets for smartphones

Sphygmomanometers; Atomizers sold empty for medical use; Blood glucose meter; Blood oxygen monitors; Blood pressure monitors; Clinical thermometers; etal pulse monitors; Hearing aids; Hearing aids for the deaf; Heart rate monitoring apparatus; High frequency electromagnetic therapy apparatus; Low frequency electromagnetic therapy apparatus; Massage apparatus for massaging necks and backs, feet; Massaging apparatus for personal use; Medical ventilators; Nebulizer for administering medication in the form of a mist inhaled into the lungs, for treatment of asthma and respiratory diseases; Nebulizers for respiration therapy; Oxygen inhalators for medical use, sold empty; Oxygen inhalers for medical use, sold empty; Thermometers for medical purposes