Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873672 | Dynamic random access memory capable of fast erasing of storage data | Jun Etoh, Katsuhiro Shimohigashi, Kazuyuki Miyazawa, Takesada Akiba | 1989-10-10 |
| 4811299 | Dynamic RAM device having a separate test mode capability | Kazuyuki Miyazawa, Katsuhiro Shimohigashi, Jun Etoh | 1989-03-07 |
| 4796234 | Semiconductor memory having selectively activated blocks including CMOS sense amplifiers | Kiyoo Itoh, Yoshiki Kawajiri, Ryoichi Hori, Jun Etoh | 1989-01-03 |