Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4799089 | Semiconductor memory device | Hiroyuki Fukuma | 1989-01-17 |
MS
Masashi Sato
Overall (1989): #79,012 of 140,708Top 60%
1
Patents 1989