SK

Shigeru Kumagai

KT Kabushiki Kaisha Toshiba: 6 patents #4,898 of 21,451Top 25%
Overall (All Time): #891,701 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5191552 Semiconductor memory device with address transition actuated dummy cell Hiroto Nakai, Hiroshi Iwahashi, Kazuhisa Kanazawa, Isao Sato 1993-03-02
5055706 Delay circuit that resets after pulse-like noise Hiroto Nakai, Hiroshi Iwahashi, Masamichi Asano 1991-10-08
5040148 Semiconductor memory device with address transition actuated dummy cell Hiroto Nakai, Hiroshi Iwahashi, Kazuhisa Kanazawa, Isao Sato 1991-08-13
4985646 Output buffer circuit of semiconductor integrated circuit Hiroshi Iwahashi, Hiroto Nakai 1991-01-15
4831592 Nonvolatile semiconductor memory device Hiroto Nakai, Hiroshi Iwahashi, Masamichi Asano, Isao Sato, Kazuto Suzuki 1989-05-16
4819212 Nonvolatile semiconductor memory device with readout test circuitry Hiroto Nakai, Hiroshi Iwahashi, Masamichi Asano, Isao Sato, Kazuto Suzuki 1989-04-04