Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5654627 | Method of automatically changing upper, balanced and lower voltage in electric power saving transformer and the device of the same | Chiyuki Shimazu | 1997-08-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5654627 | Method of automatically changing upper, balanced and lower voltage in electric power saving transformer and the device of the same | Chiyuki Shimazu | 1997-08-05 |