Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5532478 | Underwater branching device | — | 1996-07-02 |
| 4798969 | Power feed system in transmission line between terminals of three-terminal station | Yoshiyuki Inoue, Masaaki Takahashi, Koichi Tatekura, Hitoshi Nishikawa, Hajime Ohta | 1989-01-17 |