Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12308814 | Common mode filter circuit and drive device | Koji Yamaguchi, Satoshi Ogasawara | 2025-05-20 |
| 11218069 | Power conversion device | Yushin Yamamoto, Satoshi Ogasawara | 2022-01-04 |
| 10700616 | Power conversion device canceling a common mode voltage | Satoshi Ogasawara, Masatsugu Takemoto, Yushin Yamamoto | 2020-06-30 |
| 5092134 | Heating and cooling air conditioning system with improved defrosting | Hideaki Tagashira, Masami Imanishi, Katsumi Kasano, Takeshi Yoshida, Hitoshi Kido +1 more | 1992-03-03 |