SU

Shinichi Umekawa

KT Kabushiki Kaisha Toshiba: 5 patents #5,683 of 21,451Top 30%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
Overall (All Time): #1,028,885 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7629672 Semiconductor devices and manufacturing method thereof Tetsuya Kanata, Koji Terada, Yasushi Takahashi 2009-12-08
7091554 Semiconductor device Hiroki Muraoka, Hidetoshi Nakanishi, Tetsujiro Tsunoda 2006-08-15
6936893 Power semiconductor device Masahiro Tanaka, Tadashi Matsuda, Masakazu Yamaguchi 2005-08-30
6594131 Over current protection circuit of semiconductor switching device 2003-07-15
6417532 Power semiconductor module for use in power conversion units with downsizing requirements Tetsujiro Tsunoda, Satoshi Nakao, Kaoru Imamura 2002-07-09