Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855857 | Magnetic disc cartridge with spindle abutment plate | Tsuyoshi Ono | 1989-08-08 |
| 4809114 | Magnetic disc cartridge | — | 1989-02-28 |
KS
Kunihira Seto
Overall (1989): #21,728 of 140,708Top 20%
2
Patents 1989