Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8106634 | Switching power supply and portable device | Hirotaka Nakabayashi | 2012-01-31 |
| 7872459 | Semiconductor integrated circuit device and regulator using it | Hirotaka Nakabayashi | 2011-01-18 |
| 7652456 | Current direction detection circuit and switching regulator having the same | — | 2010-01-26 |
| 7573689 | Overcurrent detecting circuit and regulator having the same | — | 2009-08-11 |
| 7420356 | Current direction detection circuit and switching regulator having the same | — | 2008-09-02 |
| 7321222 | Switching regulator with DC offset (bias) in controller | — | 2008-01-22 |
| 6525517 | Power supply circuit with a soft starting circuit | Yoshihisa Hiramatsu | 2003-02-25 |
| 6429745 | Semiconductor device | — | 2002-08-06 |
| 6204646 | Power supply device | Yoshihisa Hiramatsu, Kou Takemura, Nobuhiro Nishikawa | 2001-03-20 |