Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5347442 | Electric power supply system for electric train which removes flickering in lighting | Susumu Yamada | 1994-09-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5347442 | Electric power supply system for electric train which removes flickering in lighting | Susumu Yamada | 1994-09-13 |