Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4890169 | Magnetic tape recording and/or reproducing apparatus with slow motion effect | Tetsuo Kobayashi | 1989-12-26 |
MH
Masaharu Hayakawa
Overall (1989): #81,296 of 140,708Top 60%
1
Patents 1989