Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11211881 | Power conversion device and electric railroad vehicle equipped with power conversion device | Kiyoshi Nakata, Noriyoshi Urushiwara, Shuichi Terakado, Kiyoshi Terasawa | 2021-12-28 |
| 10966355 | Electric power conversion apparatus | Takeshi Tokuyama, Kinya Nakatsu, Ryuichi Saito, Toshiya Satoh, Hideki Miyazaki | 2021-03-30 |