Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4314199 | Method for locating a fault point on a transmission line | Mitsuru Yamaura | 1982-02-02 |
| 4313169 | Fault detecting system for locating a fault point with a fault resistance separately measured | Toshio Takagi | 1982-01-26 |