Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839860 | Semiconductor device having head only memory with differential amplifier | Takashi Shinoda, Kikuo Sakai, Hiroshi Kawamoto, Yoshiaki Onishi, by Junko Onishi, administratrix | 1989-06-13 |
| 4805143 | Read-only memory | Youichi Matsumoto, Ryuuji Shibata, Isamu Kobayashi, Satoshi Meguro, Kouichi Nagasawa +4 more | 1989-02-14 |