Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4973864 | Sense circuit for use in semiconductor memory | — | 1990-11-27 |
| 4939695 | Virtual type static semiconductor memory device including refresh detector circuitry | Mitsuo Isobe, Takayasu Sakurai, Kazuhiro Sawada, Hisashi Ueno | 1990-07-03 |
| 4905192 | Semiconductor memory cell | Takayasu Sakurai | 1990-02-27 |
| 4894561 | CMOS inverter having temperature and supply voltage variation compensation | — | 1990-01-16 |
| 4855957 | Random access memory including switching elements to limit the number of energized data in pairs | — | 1989-08-08 |
| 4853897 | Complementary semiconductor memory device | Takayasu Sakurai | 1989-08-01 |
| 4769792 | Semiconductor memory device with voltage bootstrap | Takayasu Sakurai, Syuso Fujii | 1988-09-06 |
| 4757217 | Refresh operation control circuit for semiconductor device | Kazuhiro Sawada, Takayasu Sakurai | 1988-07-12 |