Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9853821 | Communication system and communication apparatus controlling a switching hub for power saving | — | 2017-12-26 |
| 9800171 | Protection system for DC power transmission system, AC-DC converter, and method of interrupting DC power transmission system | Kazuyori TAHATA, Kunio Kikuchi, Makoto Miyashita, Kenji Kamei | 2017-10-24 |