Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5113298 | Rotary head drum apparatus with resiliently mounted ground plate | Hideo Fukushima | 1992-05-12 |
| 5010432 | Rotary head drum apparatus comprising resilient electrical connectors | Hideo Fukushima | 1991-04-23 |