Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5680347 | Nonvolatile semiconductor memory device | Ken Takeuchi, Tomoharu Tanaka, Seiichi Aritome | 1997-10-21 |
| 5627488 | Delay circuit, oscillation circuit and semiconductor memory device | Toru Tanzawa, Tomoharu Tanaka, Toshio Yamamura | 1997-05-06 |
| 5615163 | Semiconductor memory device | Hiroshi Nakamura, Tomoharu Tanaka, Masaki Momodomi, Fujio Masuoka, Takehiro Hasegawa | 1997-03-25 |
| 5596543 | Semiconductor memory device including circuitry for activating and deactivating a word line within a single RAS cycle | Kazunori Ohuchi, Fujio Masuoka | 1997-01-21 |