Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11728727 | Charge pump | — | 2023-08-15 |
| 10530244 | Switch circuit with active snubber circuit and DC-DC converter | Takayoshi Nishiyama | 2020-01-07 |
| 10497631 | Insulated DC-DC converter | Takayuki Yamamoto, Takayoshi Nishiyama, Naoto KINOSHITA, Yuki Abura, Yoshihiro Matsumoto | 2019-12-03 |
| 10348213 | DC-DC converter | Takayoshi Nishiyama | 2019-07-09 |
| 9748851 | Switching power supply apparatus with snubber circuit | Tadahiko Matsumoto | 2017-08-29 |