Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5636160 | Nonvolatile semiconductor memory having a stress relaxing voltage applied to erase gate during data write | Sachiko Omino, Tadashi Miyakawa | 1997-06-03 |
| 5625591 | Non-volatile semiconductor memory device | Hideo Kato, Nobutake Sugiura, Kiyotaka Uchigane | 1997-04-29 |
| 5615165 | Non-volatile semiconductor memory device and memory system using the same | Tomoharu Tanaka, Masaki Momodomi, Hideo Kato, Hiroto Nakai, Yoshiyuki Tanaka +8 more | 1997-03-25 |
| 5597748 | Method of manufacturing NAND type EEPROM | Hiroshi Iwahashi, Ryouhei Kirisawa, Ryozo Nakayama, Satoshi Inoue, Riichiro Shirota +2 more | 1997-01-28 |
| 5592001 | Non-volatile semiconductor memory device | — | 1997-01-07 |