Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839860 | Semiconductor device having head only memory with differential amplifier | Takashi Shinoda, Kikuo Sakai, Masahiro Ogata, Hiroshi Kawamoto, by Junko Onishi, administratrix | 1989-06-13 |