Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814913 | Compact magnetic disc assembly | Takahisa Mihara | 1989-03-21 |
SS
Sigeo Saito
Overall (1989): #56,218 of 140,708Top 40%
1
Patents 1989