YZ

Yonggui Zhang

NC Ningbo Albert Novosino Co.: 5 patents #1 of 4Top 25%
CC Crrc Qingdao Sifang Co.: 1 patents #15 of 79Top 20%
Overall (2022): #18,390 of 548,613Top 4%
6
Patents 2022

Issued Patents 2022

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
11447161 Energy-absorbing anti-creeper and train vehicle with energy-absorbing anti-creeper Sansan Ding, Aiqin TIAN, Honglei TIAN, Shizhong Zhao, Luxing Li 2022-09-20
D956363 Earmuff Haibo Hu 2022-06-28
D956364 Earmuff Haibo Hu 2022-06-28
11260163 Anti-reflux nasal aspirator Haibo Hu 2022-03-01
11260166 Anti-reflux tube-type enemator Haibo Hu 2022-03-01
11253641 Anti-reflux enema bag with pulley restrictor Haibo Hu 2022-02-22