Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873672 | Dynamic random access memory capable of fast erasing of storage data | Jun Etoh, Kazuyuki Miyazawa, Katsutaka Kimura, Takesada Akiba | 1989-10-10 |
| 4860255 | Semiconductor memory | Hiroo Masuda, Kunihiko Ikuzaki, Hiroshi Kawamoto | 1989-08-22 |
| 4849801 | Semiconductor memory device having increased capacitance for the storing nodes of the memory cells | Shigeru Honjyo, Osamu Minato, Yoshio Sakai, Toshiaki Yamanaka, Toshiaki Masuhara | 1989-07-18 |
| 4811299 | Dynamic RAM device having a separate test mode capability | Kazuyuki Miyazawa, Jun Etoh, Katsutaka Kimura | 1989-03-07 |
| 4805147 | Stacked static random access memory cell having capacitor | Toshiaki Yamanaka, Yoshio Sakai, Tetsuya Hayashida, Osamu Minato, Toshiaki Masuhara | 1989-02-14 |