Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6954704 | Digital protection and control device | Yuuji Minami, Hiromi Nagasaki, Masayuki Kosakada | 2005-10-11 |
| 6845301 | System for protecting and controlling substation main circuit components | Koichi Hamamatsu, Tokuo Ito, Hachidai Ito, Yoshito Sameda, Toshiyuki Saida +9 more | 2005-01-18 |