HK

Hiromasa Katoh

HI Hitachi: 5 patents #7,555 of 28,497Top 30%
Overall (All Time): #1,057,299 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5298802 Semiconductor integrated circuit device with a plurality of logic circuits having active pull-down functions Mitsuo Usami, Noboru Shiozawa, Toshio Yamada, Kazuyoshi Satoh, Tohru Kobayashi +4 more 1994-03-29
5283480 Semiconductor integrated circuit device with a plurality of logic circuits having active pull-down functions Mitsuo Usami, Noboru Shiozawa, Toshio Yamada, Kazuyoshi Satoh, Tohru Kobayashi +4 more 1994-02-01
5059819 Integrated logic circuit Kazuo Tanaka, Masato Hamamoto, Toshio Yamada, Tohru Kobayashi 1991-10-22
5055710 Integrated logic circuit having plural input cells and flip-flop and output cells arranged in a cell block Kazuo Tanaka, Masato Hamamoto, Toshio Yamada, Tohru Kobayashi 1991-10-08
4999520 High speed TTL buffer circuit which is resistive to the influence of alpha-rays Mitsuo Usami, Noboru Shiozawa, Toshio Yamada, Kazuyoshi Satoh, Tohru Kobayashi +4 more 1991-03-12