Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7737677 | Wide area protection control measurement system and method | Katsuhiko Sekiguchi, Hideaki Sugiura | 2010-06-15 |
| 6906903 | Protection relay | Yasuhiro Kurosawa, Hidenari Amo | 2005-06-14 |