Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8508323 | Transformer | Masamichi Ishikawa | 2013-08-13 |
| 4807603 | Massaging device having cylindrical body with at least one groove | — | 1989-02-28 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8508323 | Transformer | Masamichi Ishikawa | 2013-08-13 |
| 4807603 | Massaging device having cylindrical body with at least one groove | — | 1989-02-28 |