Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9851380 | Power strip and electric power measurement system | Osamu Tsuboi, Fumihiko Nakazawa, Naoyuki Nagao | 2017-12-26 |
| 9852867 | Current sensor | Osamu Tsuboi | 2017-12-26 |
| 9581621 | Method of calculating current correction formula for power strip, current measuring method, and power strip | Osamu Tsuboi, Fumihiko Nakazawa | 2017-02-28 |