Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5666317 | Semiconductor memory device | Susumu Tanida, Tomio Suzuki, Masanori Hayashikoshi | 1997-09-09 |
| 5663905 | Semiconductor memory device comprising two kinds of memory cells operating in different access speeds and methods of operating and manufacturing the same | Ryuichi Matsuo, Tomohisa Wada, Shigeki Ohbayashi | 1997-09-02 |