Issued Patents 1997
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5696722 | Level-shifter, semiconductor integrated circuit, and control methods thereof | — | 1997-12-09 |
| 5689469 | Semiconductor memory devices | Hideo Asaka | 1997-11-18 |
| 5680356 | Semiconductor integrated circuit device | — | 1997-10-21 |
| 5654913 | Apparatus and method for extending data retention time of semiconductor storage circuit | Tetsuyuki Fukushima, Toru Iwata | 1997-08-05 |
| 5652729 | Semiconductor integrated circuit apparatus and method of adjusting refresh timer cycle | Toru Iwata | 1997-07-29 |
| 5642314 | Semiconductor integrated circuit | — | 1997-06-24 |
| 5638013 | Charge redistribution circuit and method | Toru Iwata | 1997-06-10 |
| 5594701 | Semiconductor memory device having a plurality of blocks | Hideo Asaka | 1997-01-14 |