Assignee
Inventors
- Yaowu Ma (6 patents)
- Fen Ruan (6 patents)
- Jun Ma (223 patents)
- Pinzhen Huang (6 patents)
- Qianjing Ma (5 patents)
- Qianjia Ma (6 patents)
- George Ma (6 patents)
- Hongmei Ma (3 patents)
- Xuemei Ma (3 patents)
US Patent 11056828 · Granted Jul 6, 2021