HZ

Hongda Zheng

AC Alps Alpine Co.: 2 patents #150 of 525Top 30%
📍 Dalian, CN: #54 of 656 inventorsTop 9%
Overall (All Time): #793,920 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
12172113 Air filter 2024-12-24
D1055255 Air filter 2024-12-24
12142272 Voice information processing apparatus and voice information processing method 2024-11-12
D1049347 Air filter 2024-10-29
11931863 Sandblasting gun 2024-03-19
11735159 Voice output device and voice output method Xiao Liu 2023-08-22