Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5898565 | Gas insulated switchgear apparatus | Takao Yamauchi, Masazumi Yamamoto, Hiroki Sanuki | 1999-04-27 |
| 5107081 | Operating mechanism for gas filled switchgear | Hiromichi Aoyama, Harumi Niwa | 1992-04-21 |
| 4837662 | Gas insulated switchgear | Hiroshi Takeuchi, Keizo Takatsuka | 1989-06-06 |
| 4821140 | Gas insulated switchgear disconnector arrangement | Hiroshi Takeuchi, Keizo Takatsuka | 1989-04-11 |
| 4821141 | Gas insulated switchgear | Hiroshi Takeuchi, Keizo Takatsuka | 1989-04-11 |