Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6661234 | Failure determining apparatus of gas-insulated electrical appliance | Kuniaki Nakashima, Hiroshi Doi, Yasuhiro Maeda, Hirohide Aoki, Hiroyuki Hama +1 more | 2003-12-09 |