About 3 Trademarks found that are owned by Yi Jiayu

Carrying cases for cell phones; Carrying cases specially adapted for electronic equipment, namely, document printers, computers, and cell phones; Carrying cases, holders, protective cases and stands featuring power supply connectors, adaptors, speakers and battery charging devices, specially adapted for use with handheld digital electronic devices, namely, cell phones, MP3 players, and personal digital assistants; Cases adapted for holding smartwatches; Cases adapted for mobile phones; Cases for mobile phones; Cases for smartphones; Cell phone cases; Cell phone covers; Cell phone straps

FREP STUDIO

The mark consists of the stylized wording: Frepstudio, and a dot after the word "Frep".