Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10714924 | Ground fault overvoltage relay device | Shigetoo Oda, Satoshi Takemura | 2020-07-14 |
| 7829836 | Digital signal input device and method of controlling the same having a switching element that controls a period of applying direct-current voltage to a charging circuit | Shigeto Oda | 2010-11-09 |