Issued Patents All Time
Showing 101–119 of 119 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6788556 | Switching power source device | Hiroshi Takemura | 2004-09-07 |
| 6738266 | Switching power supply unit | Hiroshi Takemura | 2004-05-18 |
| 6690586 | Switching power source device | Hiroshi Takemura | 2004-02-10 |
| 6639811 | Switching power supply unit | Hiroshi Takemura | 2003-10-28 |
| 6631079 | Switching power supply apparatus having plural outputs and plural output voltage detection | Hiroshi Takemura, Takahiro Minagawa | 2003-10-07 |
| 6590790 | Switching power supply device | Tomohiro Yamada, Kentaro Takahashi | 2003-07-08 |
| 6583697 | Transformer | Takanori Koyama, Hiroshi Takemura | 2003-06-24 |
| 6559750 | Transformer and electrical device using the same | Takanori Koyama, Hiroshi Takemura | 2003-05-06 |
| 6549430 | Switching power supply circuit having constant current circuit | Hiroshi Takemura | 2003-04-15 |
| 6498735 | Switching power supply unit | Hiroshi Takemura | 2002-12-24 |
| 6469913 | Switching power supply device having series capacitance | Hiroshi Takemura, Yasuji Okamoto | 2002-10-22 |
| 6370040 | Switching power supply apparatus having plural outputs and plural output voltage detection | Hiroshi Takemura, Takahiro Minagawa | 2002-04-09 |
| 6366480 | Switching power supply apparatus | Hiroshi Takemura, Yasuji Okamoto | 2002-04-02 |
| 6320763 | Switching power supply unit | — | 2001-11-20 |
| 6208530 | Switching power supply device having main switching element period control circuit | — | 2001-03-27 |
| 6201713 | Switching power supply unit having sub-switching element and time constant circuit | — | 2001-03-13 |
| 6198637 | Switching power supply circuit | Hiroshi Takemura | 2001-03-06 |
| 6130824 | Switching power supply unit | — | 2000-10-10 |
| 6061252 | Switching power supply device | — | 2000-05-09 |