Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864553 | Apparatus for controlling rotation of a run length limited code modulated information recording medium | Ryo Akiyama, Shoichi Inatomi, Noriyuki Ema | 1989-09-05 |
YS
Yoshio Sakakibara
Overall (1989): #40,380 of 140,708Top 30%
1
Patents 1989