Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4535383 | Gas-insulated switchgear equipment | Takeshi Takahashi | 1985-08-13 |
| 4403125 | Gas-insulated disconnecting switch | Seizo Nakano, Sigetaka Takeuchi, Kazuaki Oishi, Koji Sasaki | 1983-09-06 |