Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8604805 | Property monitoring apparatus for current transformer or electric transformer | Kouji Satou, Tetsunori Watanabe | 2013-12-10 |
| 7171317 | Load information display device and circuit breaker | Kazuya Aihara, Kazuhiko Kato, Hideki Hayakawa, Tetsunori Watanabe | 2007-01-30 |