Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4816351 | Magnetic recording medium | Hiroshi Takagi, Kenji Suzuki | 1989-03-28 |
MH
Morimi Hashimoto
Overall (1989): #74,661 of 140,708Top 55%
1
Patents 1989