Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882722 | Front loading disk player | Ryo Matsuura, Masao Kase | 1989-11-21 |
NI
Nobuyuki Isobe
Overall (1989): #73,009 of 140,708Top 55%
1
Patents 1989