Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10766367 | Train control device | Junko Yamamoto, Satoshi Iba, Yohei Hattori, Yasuyuki Miyajima | 2020-09-08 |
| 9083194 | Battery charging system and train | Takeru Koga, Masayuki Nogi, Satoshi Koizumi | 2015-07-14 |
| 8543275 | Control device, control method, and electric motor car | Takeru Koga, Masayuki Nogi, Satoshi Koizumi | 2013-09-24 |