Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11043664 | Negative electrode for alkaline secondary battery, and alkaline secondary battery | Toshiki Sato, Jun Ishida, Akira Saguchi | 2021-06-22 |
| 11038161 | Negative electrode for nickel-hydrogen secondary battery, and nickel-hydrogen secondary battery | Jun Ishida, Toshiki Sato, Akira Saguchi | 2021-06-15 |