Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10067493 | Frequency control method and frequency control system | Kenichi Watanabe, Mitsuru Kaji | 2018-09-04 |
| 9692243 | Frequency regulation method, frequency regulation apparatus, and storage battery system | Mitsuru Kaji, Kenichi Watanabe | 2017-06-27 |
| 9575501 | Method of controlling frequency, frequency control system, frequency control apparatus, and program | Kenichi Watanabe, Wei Zhang | 2017-02-21 |