Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839860 | Semiconductor device having head only memory with differential amplifier | Kikuo Sakai, Masahiro Ogata, Hiroshi Kawamoto, Yoshiaki Onishi, by Junko Onishi, administratrix | 1989-06-13 |
| 4817052 | Semiconductor memory with an improved dummy cell arrangement and with a built-in error correcting code circuit | Osamu Sakai | 1989-03-28 |
| 4811295 | High speed serial input/output semiconductor memory | — | 1989-03-07 |
| 4802135 | Semiconductor memory having multiple continuous access functions | Masamichi Ishihara | 1989-01-31 |