Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
HC

Hangzhou Zero Zero Technology Co. — 8 Patents in 2021

Rank (2021): #4,378 of 31,507Top 15%
14 inventors
8 Patents 2021

Top Inventors at Hangzhou Zero Zero Technology Co. 2021

Showing 1–14 of 14 inventors

RankNamePatents
1 Tong Zhang 7
2 Zhaozhe Wang 4
3 Lei Zhang 3
3 Mengqiu Wang 3
#5 Zheng Qu 2
#6 Chenhui Qian 1
#6 Hanqing Guo 1
#6 Jia Lu 1
#6 Lixin Liu 1
#6 Mengwen Tan 1
#6 Pengxiang Jin 1
#6 Wei Sun 1
#6 Xiang Li 1
#6 Xi Zhang 1