YT

Yasuhisa Takeyama

KT Kabushiki Kaisha Toshiba: 5 patents #5,683 of 21,451Top 30%
Overall (All Time): #1,018,620 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
8223579 Semiconductor storage device Osamu Hirabayashi, Takahiko Sasaki, Yuki Fujimura 2012-07-17
8072798 Semiconductor memory device 2011-12-06
7430134 Memory cell structure of SRAM Nobuaki Otsuka, Osamu Hirabayashi 2008-09-30
7259977 Semiconductor device having hierarchized bit lines Osamu Hirabayashi 2007-08-21
5734286 Driving device of charge pump circuit and driving pulse generation method thereof Junichi Miyamoto, Yoshihisa Iwata, Hironori Banba, Hideko Oodaira 1998-03-31