Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9258859 | Semiconductor device and power supply device | Ryosei Makino, Kenichi Yokota | 2016-02-09 |
| 9041314 | Semiconductor device and power supply device | Ryosei Makino, Kenichi Yokota | 2015-05-26 |
| 8754590 | Semiconductor device and power supply device | Ryosei Makino, Kenichi Yokota | 2014-06-17 |
| 8125203 | PFC controller, switching regulator and power supply circuit | Kazuhito Ayukawa | 2012-02-28 |
| 7315153 | Switching power supply in an integrated circuit having a comparator with two threshold values, a synchronization input and output, voltage feedback and efficient current sensing | Shinichi Yoshida | 2008-01-01 |
| 7109693 | Switching power supply device and switching power supply system | Shinichi Yoshida, Takashi Sase, Kouji Tateno | 2006-09-19 |
| 7091711 | Switching power supply device and switching power supply system | Shinichi Yoshida, Takashi Sase, Kouji Tateno | 2006-08-15 |
| 6979985 | Switching power supply device and switching power supply system | Shinichi Yoshida, Takashi Sase, Kouji Tateno | 2005-12-27 |