Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7974794 | Electric energy meter | — | 2011-07-05 |
| 7919960 | Electricity meter capable of minimizing the risk of data destruction from lightning or surge | Yukio Takanohashi, Yoshito Sameda, Kenji Nakano, Tadanori Maoka, Mitsuhiro Sakoyama | 2011-04-05 |