Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5696731 | Semiconductor memory device using internal voltage obtained by boosting supply voltage | — | 1997-12-09 |
| 5642072 | High voltage generator circuit | Shigeru Atsumi, Yasuo Itoh | 1997-06-24 |
| 5612924 | Semiconductor memory device using internal voltage obtained by boosting supply voltage | — | 1997-03-18 |
| 5610859 | Semiconductor memory device | Hiroshi Nakamura, Yoshihisa Iwata, Keniti Imamiya | 1997-03-11 |
| 5591999 | Electrically erasable programmable read only memory device with an improved memory cell pattern layout | Masaki Momodomi, Toshiharu Watanabe | 1997-01-07 |