YH

Yoichiro HIRAKAWA

SU Sumco: 2 patents #160 of 464Top 35%
Overall (All Time): #1,778,101 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12083624 Method of printing laser mark and method of producing laser-marked silicon wafer — 2024-09-10
11515263 Method of producing laser-marked silicon wafer and laser-marked silicon wafer — 2022-11-29