Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10020653 | Station-building power supply device | Yasushi Matsumura, Takeshi Tanaka, Shuji Ishikura | 2018-07-10 |
| 9898027 | Station building power supply device | Takeshi Tanaka, Yasushi Matsumura, Shuji Ishikura | 2018-02-20 |
| 9859715 | Station-building power supply device and method of controlling the same | Takeshi Tanaka, Yasushi Matsumura, Syuji Ishikura | 2018-01-02 |