Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6040528 | Insulating supporting structure for high-voltage apparatus including inorganic insulating layer formed on a surface of an organic insulating structure | Hisaji Shinohara | 2000-03-21 |
| 5399973 | Method and apparatus for detecting a reduction in the degree of vacuum of a vacuum valve while in operation | Toshio Kobayashi, Yukio Osawa, Noboru Usui, Mamoru Yamada | 1995-03-21 |
| 5191180 | Gas-insulated switchgear including a vacuum switch, operating mechanism and plural bellows | Toshio Kobayashi, Yosikata Matsumura | 1993-03-02 |