Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9354258 | Current detection device and electricity meter | Shinichi Ryochi, Mitsuhiro Sakoyama, Tatsuya Kimura | 2016-05-31 |
| 8433529 | Watt-hour meter | Kenji Nakano, Yoshito Sameda, Yukio Takanohashi, Tadanori Maoka, Mitsuhiro Sakoyama | 2013-04-30 |
| 8217643 | Current detector and wattmeter using the same | Yuta Kuroki, Mitsuhiro Sakoyama | 2012-07-10 |
| 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 |