YK

Yoshihiro Koyama

DC Dainippon Screen Mfg. Co.: 1 patents #23 of 102Top 25%
SN Sii Nanotechnology: 1 patents #12 of 39Top 35%
Overall (2005): #28,142 of 245,428Top 15%
2
Patents 2005

Issued Patents 2005

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6891171 Method for repairing a phase shift mask and a focused ion beam apparatus for carrying out method Ryoji Hagiwara 2005-05-10
6868302 Thermal processing apparatus Toshiyuki Kobayashi, Mitsukazu Takahashi 2005-03-15