Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4829388 | Magnetic recording apparatus | Yoshiaki Nakayama | 1989-05-09 |
| 4802017 | Device for recording image signals of photographic pictures | Isao Takahashi | 1989-01-31 |
TO
Takahiro Ohta
Overall (1989): #14,894 of 140,708Top 15%
2
Patents 1989