Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879539 | Laminated coil for an eddy-current type strong AC magnetic field generator | — | 1989-11-07 |
| 4857874 | Multilayered-eddy-current-type strong magnetic field generator | Sotoshi Yamada | 1989-08-15 |
| 4855703 | Multilayered-eddy-current type strong magnetic field generator | Sotoshi Yamada | 1989-08-08 |