Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5978427 | Phase-locked loop circuit having a lock state detecting function | — | 1999-11-02 |
| 5953268 | Memory block replacement system and replacement method for a semiconductor memory | — | 1999-09-14 |
| 5894231 | High speed bi-MOS logic circuit operative under low power voltage | — | 1999-04-13 |
| 5703815 | High-speed semiconductor memory system | Hideo Toyoshima | 1997-12-30 |
| 5694367 | Semiconductor memory operable with low power supply voltage | Hideo Toyoshima, Koichi Takeda | 1997-12-02 |