Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4717122 | Method of laying optical cable in aerial line | Takao Ikeya | 1988-01-05 |
| 4715582 | Method of winding optical cable on aerial wire | Akitoshi Ikeda, Chitoshi Nishimura, Masami Obara | 1987-12-29 |