Jang Hyuk Ahn

EC Ehwa Diamond Industrial Co.: 1 patents #1 of 2Top 50%

Overall (2023): #413,366 of 537,848Top 80%

Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
D1004393	Grinding pad	Hwa Jin Jeong	2023-11-14