Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6331677 | Overhead wire | Takeo Munakata, Naoshi Kikuchi, Takashi Shinohara, Hideo Banse, Takao Kaneko +5 more | 2001-12-18 |
| 5699467 | Optical fiber complex overhead line | Toru Kojima, Koji Yoshida | 1997-12-16 |