SK

Shouichi Koga

Sumitomo Electric Industries: 4 patents #6,367 of 21,551Top 30%
Overall (All Time): #1,260,237 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7123938 Card device, electronic apparatus, and wireless device Michinori Kishimoto, Toshiyuki Wakisaka, Masami Wada 2006-10-17
6243422 Waveform shaping method and equipment Yoshio Urabe, Hitoshi Takai, Koji Kai, Hidetoshi Yamasaki 2001-06-05
5901179 Waveform shaping method and equipment Yoshio Urabe, Hitoshi Takai, Koji Kai, Hidetoshi Yamasaki 1999-05-04
5825820 Waveform shaping method and equipment Yoshio Urabe, Hitoshi Takai, Koji Kai, Hidetoshi Yamasaki 1998-10-20