Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5631872 | Low power consumption semiconductor dynamic random access memory device by reusing residual electric charge on bit line pairs | Isao Naritake, Tadahiko Sugibayashi, Satoshi Utsugi | 1997-05-20 |
| 5574696 | Dynamic ram device having high read operation speed | — | 1996-11-12 |
| 5329490 | Dynamic semiconductor memory with refresh function | — | 1994-07-12 |
| 5309399 | Semiconductor memory | — | 1994-05-03 |
| 5175707 | Semiconductor memory device having a driving circuit provided in association with a high speed sense amplifier circuit | — | 1992-12-29 |
| 5159215 | Decoder circuit | — | 1992-10-27 |
| 4875194 | Semiconductor memory device with protection cells | — | 1989-10-17 |
| 4771322 | Semiconductor memory device with low-noise structure | — | 1988-09-13 |
| 4733373 | Dynamic memory with improved arrangement for precharging bit lines | — | 1988-03-22 |
| 4723227 | Redundant type memory circuit with an improved clock generator | — | 1988-02-02 |
| 4553045 | Logic circuit with improved hysteresis characteristics | — | 1985-11-12 |
| 4393477 | Temperature responsive refresh control circuit | — | 1983-07-12 |
| 4296339 | Logic circuit comprising circuits for producing a faster and a slower inverted signal | — | 1981-10-20 |