KY

Koichi Yazima

KT Kabushiki Kaisha Toshiba: 3 patents #8,011 of 21,451Top 40%
Overall (All Time): #1,620,501 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6294439 Method of dividing a wafer and method of manufacturing a semiconductor device Shigeo Sasaki, Shinya Takyu, Keisuke Tokubuchi, Hideo Nakayoshi 2001-09-25
6184109 Method of dividing a wafer and method of manufacturing a semiconductor device Shigeo Sasaki, Shinya Takyu, Keisuke Tokubuchi, Hideo Nakayoshi 2001-02-06
5888883 Method of dividing a wafer and method of manufacturing a semiconductor device Shigeo Sasaki, Shinya Takyu, Keisuke Tokubuchi 1999-03-30