Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887137 | Semiconductor memory device | Masahiro Yoneda, Masahiro Hatanaka, Shinichi Satoh, Hidekazu Oda, Koichi Moriizumi | 1989-12-12 |
YK
Yoshio Kohno
Overall (1989): #40,911 of 140,708Top 30%
1
Patents 1989