Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11502530 | Battery management device, battery system, and vehicle power supply system for managing battery state of charge level when in non-use state | Kazuya HAYAYAMA, Tomokazu Sada, Masatoshi Nagayama | 2022-11-15 |
| 11448707 | Battery management device, battery system, and battery management method for estimating transition of AC resistance value of secondary battery | Tomokazu Sada, Kazuya HAYAYAMA | 2022-09-20 |
| 11355793 | Power supplying device, power storage system, and charging method | Takao Yamamoto, Tomokazu Sada, Hiroshi Tenmyou | 2022-06-07 |