Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7130172 | Switchgear and receiving transformation apparatus using the same | Koichi Nakano, Takashi Omori | 2006-10-31 |
| 6762386 | Switchgear | Shunji Itou, Kazuhiro Fujii, Katsuyuki Takada | 2004-07-13 |
| 5625530 | Gas insulated switchgear equipment including a bypass bus and bypass disconnecting switch | Takahide Seki, Toyokazu Tanaka, Masafumi Ooshima | 1997-04-29 |
| 5559669 | Compressed gas insulation switchgear | Toyokazu Tanaka, Masahira Wachi | 1996-09-24 |