DM

Daisuke Maruoka

SU Sumco: 2 patents #160 of 464Top 35%
ST Sumco Techxiv: 1 patents #56 of 144Top 40%
Overall (All Time): #1,364,185 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12119375 Silicon epitaxial wafer production method and silicon epitaxial wafer Masayuki Ishibashi, Midori Yoshida 2024-10-15
11990336 Silicon epitaxial wafer production method and silicon epitaxial wafer Masayuki Ishibashi, Midori Yoshida 2024-05-21
8662961 Polishing pad seasoning method, seasoning plate, and semiconductor polishing device Koudai Moroiwa 2014-03-04