Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7279990 | Sigma-delta modulator for PLL circuits | — | 2007-10-09 |
| 7268448 | Plural output switching regulator with phase comparison and delay means | — | 2007-09-11 |
| 7224152 | DC-DC converter and control circuit for DC-DC converter | — | 2007-05-29 |
| 7193401 | Control circuit and control method for DC-DC converter | — | 2007-03-20 |
| 7122995 | Multi-phase DC-DC converter and control circuit for multi-phase DC-DC converter | Hidekiyo Ozawa | 2006-10-17 |
| 6515525 | Fractional-N-PLL frequency synthesizer and phase error canceling method therefor | — | 2003-02-04 |
| 6031425 | Low power prescaler for a PLL circuit | — | 2000-02-29 |
| 5896066 | PLL synthesizer having a reset circuit | Satoshi Katayama, Shinji Saito, Masanori Kishi | 1999-04-20 |