Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4756596 | Optical unit for composite overhead ground wire | Atsuhiro Ona, Takeshi Yamamoto | 1988-07-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4756596 | Optical unit for composite overhead ground wire | Atsuhiro Ona, Takeshi Yamamoto | 1988-07-12 |