Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7043381 | Substation system | Takayuki Wakida, Takashi Aihara, Yoshimune Matsuyama | 2006-05-09 |
| 6832169 | Substation system | Takayuki Wakida, Takashi Aihara, Yoshimune Matsuyama | 2004-12-14 |