Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11156641 | Power distribution network monitoring system for detecting abnormalities | Hiroaki Takeya | 2021-10-26 |
| 11125798 | Power distribution network monitoring system and power distribution network monitoring device | Hiroaki Takeya, Mitsunori Sugiura, Yuji Funasaka | 2021-09-21 |
| 10953763 | Battery pack, power storage device, power storage system, electronic appliance, electric vehicle, and power system | Naotake Yoshida, Tsutomu Aoyama, Hiroaki Ono, Munenori Inden | 2021-03-23 |
| 10951059 | Harmonic detection system | Hiroaki Takeya, Mitsunori Sugiura | 2021-03-16 |