Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887137 | Semiconductor memory device | Masahiro Yoneda, Yoshio Kohno, Shinichi Satoh, Hidekazu Oda, Koichi Moriizumi | 1989-12-12 |
MH
Masahiro Hatanaka
Overall (1989): #81,315 of 140,708Top 60%
1
Patents 1989