About 2 Trademarks found that are owned by Xiaojun Zhu

Amusement game machines; Chest exercisers; Christmas tree ornaments and decorations; Climbers' harnesses; Dolls and doll accessories, namely, clothing for dolls, doll rooms, doll beds, doll houses, toy fabrics and linens for dolls and strollers for dolls; Electric action toys; Exercise machines; Fishing tackle; Gymnastic apparatus; Infant toys; Jigsaw puzzles; Posture correction device, namely, an adjustable harness to correct one's posture for sports or other physical training purposes; Sport balls; Stretch bands used for yoga and physical fitness purposes; Stuffed and plush toys; Toy buildings and accessories therefor; Toy cars; Waist protectors for athletic use; Wrist guards for athletic use; Yoga blankets; Yoga cushions

The wording "Hamvus" has no meaning in a foreign language.