Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866550 | Magnetic recording and reproducing apparatus with selective loading of different sized magnetic tapes | Keiichi Ohashi, Hiroshi Umehara | 1989-09-12 |
HN
Hajime Nagahashi
Overall (1989): #108,066 of 140,708Top 80%
1
Patents 1989