Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6552623 | Self-oscillation type switching power supply unit | Akio Nishida, Ryota Tani | 2003-04-22 |
| 6529392 | Switching power supply unit | Akio Nishida, Ryota Tani | 2003-03-04 |
| 6433443 | Switching power supply having two or more DC outputs with switching circuit provided between the outputs | Akio Nishida, Ryota Tani, Tomohiro Yamada | 2002-08-13 |
| 6295211 | Switching power supply unit having delay circuit for reducing switching frequency | Akio Nishida, Ryota Tani | 2001-09-25 |
| 6285566 | RCC power supply with remote disabling of oscillation frequency control | Ryuji Okamura, Ryota Tani, Akio Nishida | 2001-09-04 |
| 6185112 | Switching power supply having a frequency limiting circuit | Akio Nishida, Ryota Tani | 2001-02-06 |
| 6160720 | Switching power supply unit utilizing a voltage dropping circuit | Akio Nishida | 2000-12-12 |
| 6081433 | Switching power supply apparatus | Akio Nishida, Ryota Tani | 2000-06-27 |