Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11777428 | Power conversion system and method for controlling power conversion system | Ryuichi Ogawa | 2023-10-03 |
| 11601039 | Power converter control system using fixed pulse pattern, and control method | Ryuichi Ogawa | 2023-03-07 |
| 11575331 | Serial multiplex inverter control device | Ryuichi Ogawa | 2023-02-07 |
| 11563367 | Power conversion system | Ryuichi Ogawa | 2023-01-24 |
| 10346855 | Reducing electric energy consumption based on energy usage pattern | Kohtaro Sabe, Takashi Iwama, Hiroshi Kamitani, Osamu Shimizu | 2019-07-09 |
| 6546228 | Image forming apparatus conveniently upgradable to a duplex image forming apparatus | Takeshi Motohashi, Hirotaka Hatta, Katsuhiro Kosuge, Hideyuki Takemoto | 2003-04-08 |