Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5550781 | Semiconductor apparatus with two activating modes of different number of selected word lines at refreshing | Ken Sugawara, Mikio Matoba, Toshio Sasaki, Katsuhiro Shimohigashi, Katsutaka Kimura | 1996-08-27 |
| 5430681 | Memory cartridge and its memory control method | Ken Sugawara, Mikio Matoba, Toshio Sasaki, Katsuhiro Shimohigashi, Katsutaka Kimura | 1995-07-04 |
| 5086388 | Semiconductor serial/parallel-parallel/serial file memory and storage system | Mikio Matoba, Ken Sugawara | 1992-02-04 |
| 4958323 | Semiconductor file memory | Ken Sugawara, Katsujiro Nakamura, Mikio Matoba | 1990-09-18 |