Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4331987 | Self-compensating device for a magnetic disc apparatus | Hiromi Hamaoka | 1982-05-25 |
| 4314291 | Self-compensating device for a magnetic disc apparatus | Hiromi Hamaoka | 1982-02-02 |