Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11606021 | Power converter apparatus provided with low-pass filter circuit for reducing switching frequency components | Noriyuki Nosaka, Takeo Nishikawa, Wataru Okada, Satoshi Iwai, Takanori Ishii | 2023-03-14 |
| 11329546 | Power converter apparatus provided with low-pass filter circuit for reducing switching frequency components | Noriyuki Nosaka, Takeo Nishikawa, Wataru Okada, Satoshi Iwai, Takanori Ishii | 2022-05-10 |
| 10381834 | Power conditioner and power system | Kenji Kobayashi, Kazumi Tsuchimichi, Wataru Okada, Mamoru Yoshida, Koji Fujita +1 more | 2019-08-13 |