Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12420650 | Charging system | Kenichirou OGAWA, Tetsu SHIJO, Qiang Lin | 2025-09-23 |
| 12275334 | Solar cell system and vehicle system | Kenichirou OGAWA, Tetsu SHIJO | 2025-04-15 |
| 12199433 | Power supply device, energy management system, and power system | Qiang Lin, Tetsu SHIJO, Kenichirou OGAWA | 2025-01-14 |
| 12040624 | Power conditioning system and power grid operational system | Tetsu SHIJO, Qiang Lin, Kenichirou OGAWA | 2024-07-16 |
| 12007444 | Spark discharge detection device having waveform extension circuit and spark discharge detection method | — | 2024-06-11 |
| 11901807 | Bypass circuit, power system control method, and non-transitory computer readable medium | Qiang Lin, Hiroshi Uno, Tetsu SHIJO | 2024-02-13 |
| 11888341 | Control apparatus, power system, and control method | Hiroshi Uno, Qiang Lin, Tetsu SHIJO | 2024-01-30 |
| 11867737 | Detection apparatus and detection method | Kazuhiro Inoue, Tetsu SHIJO | 2024-01-09 |
| 11539216 | Voltage control inverter, power source apparatus, energy control system, and voltage control method | Tetsu SHIJO, Qiang Lin, Hiroshi Uno | 2022-12-27 |
| 11539215 | Voltage control inverter, power source apparatus, and control method | Qiang Lin, Hiroshi Uno, Tetsu SHIJO | 2022-12-27 |
| 11316437 | Electronic circuit and wireless power transmission device | Jun Itoh, Keisuke Kusaka, Shunsuke TAKUMA, Koki Yamanokuchi, Shuichi Obayashi | 2022-04-26 |
| 11095161 | Power transmission apparatus, wireless power transfer system, and power transmission method | Tetsu SHIJO, Koji Ogura, Masatoshi Suzuki | 2021-08-17 |
| 6628925 | Receiver/transmitter apparatus | Masaaki Ishida | 2003-09-30 |