Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7307410 | Alternating current detection coil | Eiji Iwami, Yasuo Ichimura, Akihiro Ishibashi, Kazunari Yoshimura | 2007-12-11 |
| 6703842 | Method for discriminating abnormal current including arc current in AC load circuit and apparatus for executing the same | Yasuo Itimura, Yoichi Kunimoto | 2004-03-09 |