Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7116203 | Circuit using choke coil and choke coil | Yoshie Nishikawa, Takaaki Ooi, Tatsuyuki Yamada, Hideki Kumatani | 2006-10-03 |
| 6771157 | Wire-wound coil | Yoshie Nishikawa, Takaaki Ooi | 2004-08-03 |
| 4841425 | High-voltage power supply apparatus | Yukio Maeba | 1989-06-20 |
| 4755923 | Regulated high-voltage power supply | Yukio Maeba, Shigeki Kasai | 1988-07-05 |
| 4747012 | Apparatus for supplying high and medium output voltages with a single transformer, having switchably variable feedback means for controlling the input current to the transformer | Yukio Maeba | 1988-05-24 |
| 4731721 | Regulated high-voltage power supply with output shorting prevention | Yukio Maeba | 1988-03-15 |