Issued Patents All Time
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 |
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 |