Yong-Kuk Ra

📍 Gumi-si, KR: #71 of 597 inventorsTop 15%

Overall (All Time): #814,455 of 4,157,543Top 20%

Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #	Title	Co-Inventors	Date
11471604	Filtering syringe	—	2022-10-18
11260180	Syringe	—	2022-03-01
11197960	Filtering syringe	—	2021-12-14
11141351	Syringe	—	2021-10-12
10716902	Filtering syringe	—	2020-07-21
10596320	Filtering injection needle assembly for syringe	—	2020-03-24