HH

Hachiro Hiratsuka

KT Kabushiki Kaisha Toshiba: 3 patents #8,011 of 21,451Top 40%
Overall (All Time): #1,646,981 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5508800 Semiconductor substrate, method of manufacturing semiconductor substrate and semiconductor device, and method of inspecting and evaluating semiconductor substrate Moriya Miyashita, Atsuko Kubota, Shuichi Samata, Masanori Numano, Hiroyuki Fukui 1996-04-16
5271796 Method and apparatus for detecting defect on semiconductor substrate surface Moriya Miyashita, Mokuji Kageyama 1993-12-21
4837610 Insulation film for a semiconductor device Yoshiaki Matsushita, Shintaro Yoshii 1989-06-06