Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6717499 | Transformer for gas insulated electric apparatus | Hirohide Aoki, Hiroyuki Hama | 2004-04-06 |
| 6680665 | Three-phase current transformer | Hirohide Aoki, Hiroyuki Hama | 2004-01-20 |