Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9985536 | Current resonant power supply device | Osamu Ohtake | 2018-05-29 |
| 9979297 | Current resonant power supply device | Osamu Ohtake | 2018-05-22 |
| 9754740 | Switching control circuit and switching power-supply device | Osamu Ohtake | 2017-09-05 |
| 9564826 | Current resonant power supply device | Osamu Ohtake | 2017-02-07 |
| 9136767 | Switching power-supply device | Tetsuya Tabata, Takashi Matsumoto, Masao Ueno | 2015-09-15 |
| 9054591 | Switching power supply apparatus and method of controlling switching power supply apparatus | Yoshimichi Tadamasa | 2015-06-09 |
| 8823335 | Switching power supply apparatus | Masao Ueno | 2014-09-02 |