Issued Patents All Time
Showing 1–25 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8994323 | Charging circuit and control method therefor | — | 2015-03-31 |
| 8791748 | Charge pump circuit and operation control method thereof | — | 2014-07-29 |
| 8766615 | DC-DC converter control circuit and DC-DC converter including same | Masaya Uchida | 2014-07-01 |
| 8760139 | DC-DC converter control circuit and DC-DC converter including same | Masaya Uchida | 2014-06-24 |
| 8760137 | DC-DC converter control circuit and DC-DC converter including same | Masaya Uchida | 2014-06-24 |
| 8760138 | DC-DC converter control circuit and DC-DC converter including same | Masaya Uchida | 2014-06-24 |
| 8368363 | Current sensing circuit and switching regulator including the same | — | 2013-02-05 |
| 8294433 | Constant current supply type of switching regulator | — | 2012-10-23 |
| 8294434 | Constant current output control type switching regulator | — | 2012-10-23 |
| 8289000 | Charge control circuit | — | 2012-10-16 |
| 8258765 | Switching regulator and semiconductor apparatus including the same | — | 2012-09-04 |
| 8212538 | Hysteretic switching regulator and control method used therein | — | 2012-07-03 |
| 8129970 | Switching regulator with reverse current detection | — | 2012-03-06 |
| 8018207 | Switching regulator | — | 2011-09-13 |
| 7852056 | Switching regulator | — | 2010-12-14 |
| 7843186 | Switching regulator having high speed response | — | 2010-11-30 |
| 7804285 | Control of operation of switching regulator to select PWM control or PFM control based on phase comparison | — | 2010-09-28 |
| 7782011 | Battery pack charging apparatus and method for constant current and constant voltage charging of multiple battery packs | Shinya Manabe | 2010-08-24 |
| 7777467 | Voltage rising/falling type switching regulator and operation control method thereof | — | 2010-08-17 |
| 7684163 | Abnormal connection detecting circuit and driving device including the same | — | 2010-03-23 |
| 7679942 | Step-down DC-to-DC converter | — | 2010-03-16 |
| 7659706 | Current detector circuit and current-mode DC-DC converter using same | — | 2010-02-09 |
| 7629775 | Battery connection detection circuit | — | 2009-12-08 |
| 7624292 | Battery power detection device | — | 2009-11-24 |
| 7605573 | Switching regulator providing slope compensation and voltage control method thereof | — | 2009-10-20 |