Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4646651 | Floating apparatus for attractive magnetic floater | Hitoshi Yamaguchi | 1987-03-03 |
| 4456868 | Method and apparatus for controlling AC motors | Shigeki Kawada | 1984-06-26 |