Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833664 | Servo system for scanning the same track circumference of a spiral track on a disc shaped recording medium | Kazuharu Shiragami, Hiroyuki Yamaguchi | 1989-05-23 |
MM
Mirsuro Moriya
Overall (1989): #75,930 of 140,708Top 55%
1
Patents 1989