Umemoto; Kiyotaka
Patent Applications and Registrations
Patent applications and USPTO patent grants for Umemoto; Kiyotaka.The latest application filed is for "semiconductor device".
Company Profile
3.33.38
- Umemoto; Kiyotaka - Kyoto JP
- UMEMOTO; Kiyotaka - Ukyo-Ku JP
- Umemoto; Kiyotaka - Kyoto-shi JP
Patent Activity
| Patent | Date |
|---|---|
| Semiconductor device Grant 11,011,612 - Umemoto , et al. May 18, 2 | 2021-05-18 |
| Semiconductor device Grant 10,833,037 - Umemoto November 10, 2 | 2020-11-10 |
| Semiconductor Device App 20200066668 - Umemoto; Kiyotaka | 2020-02-27 |
| Semiconductor Device App 20200027957 - UMEMOTO; Kiyotaka ; et al. | 2020-01-23 |
| Semiconductor device Grant 10,483,227 - Umemoto Nov | 2019-11-19 |
| Constant voltage generating circuit Grant 10,379,564 - Umemoto , et al. A | 2019-08-13 |
| Semiconductor Device App 20190221536 - Umemoto; Kiyotaka | 2019-07-18 |
| Switching regulator Grant 10,355,589 - Tateishi , et al. July 16, 2 | 2019-07-16 |
| Semiconductor package Grant 10,281,969 - Umemoto | 2019-05-07 |
| Semiconductor device Grant 10,276,533 - Umemoto | 2019-04-30 |
| Constant Voltage Generating Circuit App 20180259991 - Umemoto; Kiyotaka ; et al. | 2018-09-13 |
| Semiconductor Device App 20180247911 - Umemoto; Kiyotaka | 2018-08-30 |
| Synchronous rectification DC/DC converter Grant 10,008,932 - Umemoto June 26, 2 | 2018-06-26 |
| Constant voltage generating circuit Grant 9,996,097 - Umemoto , et al. June 12, 2 | 2018-06-12 |
| Semiconductor device Grant 9,984,990 - Umemoto May 29, 2 | 2018-05-29 |
| Semiconductor Package App 20180059759 - UMEMOTO; Kiyotaka | 2018-03-01 |
| Semiconductor Device App 20170162528 - Umemoto; Kiyotaka | 2017-06-08 |
| Synchronous Rectification Dc/dc Converter App 20170155323 - UMEMOTO; Kiyotaka | 2017-06-01 |
| Semiconductor device Grant 9,607,927 - Umemoto March 28, 2 | 2017-03-28 |
| Switching Regulator App 20160373009 - TATEISHI; Tetsuo ; et al. | 2016-12-22 |
| Semiconductor Device App 20160226487 - Umemoto; Kiyotaka | 2016-08-04 |
| Constant Voltage Generating Circuit App 20160224049 - Umemoto; Kiyotaka ; et al. | 2016-08-04 |
| Semiconductor Device App 20150243585 - Umemoto; Kiyotaka | 2015-08-27 |
| Semiconductor Device App 20140291679 - Umemoto; Kiyotaka | 2014-10-02 |
| Control circuit for synchronous rectification type step-down switching regulator Grant 8,558,529 - Sakai , et al. October 15, 2 | 2013-10-15 |
| Step-down Switching Regulator App 20120091983 - SAKAI; Masaru ; et al. | 2012-04-19 |
| Switching Regulator Control Circuit, Switching Regulator, And Electronic Instrument App 20120049821 - Hashiguchi; Shingo ; et al. | 2012-03-01 |
| Step-down switching regulator Grant 8,111,051 - Sakai , et al. February 7, 2 | 2012-02-07 |
| Power supply apparatus Grant 8,072,201 - Umemoto , et al. December 6, 2 | 2011-12-06 |
| Step-down Switching Regulator, Control Circuit Thereof, And Electronic Device Using The Same App 20100156366 - Sakai; Masaru ; et al. | 2010-06-24 |
| Power Supply Apparatus App 20100109629 - UMEMOTO; Kiyotaka ; et al. | 2010-05-06 |
| Power supply apparatus Grant 7,663,355 - Umemoto , et al. February 16, 2 | 2010-02-16 |
| DC/DC converter Grant 7,612,545 - Umemoto , et al. November 3, 2 | 2009-11-03 |
| Switching regulator Grant 7,595,620 - Sakai , et al. September 29, 2 | 2009-09-29 |
| Power Supply Apparatus App 20090134860 - Umemoto; Kiyotaka ; et al. | 2009-05-28 |
| Semiconductor Device, Power Supply Device, And Information Processing Device App 20090128219 - Umemoto; Kiyotaka | 2009-05-21 |
| Power supply apparatus Grant 7,486,061 - Umemoto , et al. February 3, 2 | 2009-02-03 |
| Dc/Dc Converter App 20080019160 - Umemoto; Kiyotaka ; et al. | 2008-01-24 |
| Switching regulator App 20070182395 - Sakai; Masaru ; et al. | 2007-08-09 |
| Motor driving apparatus incorporating switch device driving apparatus Grant 7,202,652 - Umemoto , et al. April 10, 2 | 2007-04-10 |
| Power supply apparatus App 20070057650 - Umemoto; Kiyotaka ; et al. | 2007-03-15 |
| Power supply apparatus Grant 7,148,667 - Umemoto , et al. December 12, 2 | 2006-12-12 |
| Electric power supply unit having improved output voltage response Grant 7,095,219 - Takemura , et al. August 22, 2 | 2006-08-22 |
| Semiconductor device Grant 7,061,735 - Umemoto June 13, 2 | 2006-06-13 |
| DC/DC converter Grant 7,046,533 - Takemura , et al. May 16, 2 | 2006-05-16 |
| Power supply unit having multiple power supply outputs Grant 7,045,915 - Otani , et al. May 16, 2 | 2006-05-16 |
| Switching device driving apparatus and DC/DC converter incorporating the same Grant 6,954,055 - Umemoto , et al. October 11, 2 | 2005-10-11 |
| Switching power supply unit Grant 6,949,917 - Umemoto , et al. September 27, 2 | 2005-09-27 |
| Motor driving apparatus incorporating switch device driving apparatus App 20050179425 - Umemoto, Kiyotaka ; et al. | 2005-08-18 |
| DC/DC converter Grant 6,922,042 - Umemoto , et al. July 26, 2 | 2005-07-26 |
| Electric power supply unit having improved output voltage response Grant 6,917,189 - Takemura , et al. July 12, 2 | 2005-07-12 |
| DC/DC converter App 20050146905 - Takemura, Ko ; et al. | 2005-07-07 |
| Power supply device and electric appliance employing the same Grant 6,894,470 - Umemoto , et al. May 17, 2 | 2005-05-17 |
| Electric power supply unit having improved output voltage response App 20050099168 - Takemura, Ko ; et al. | 2005-05-12 |
| Multiphase DC/DC converter Grant 6,891,736 - Takemura , et al. May 10, 2 | 2005-05-10 |
| Switching power supply unit App 20050040801 - Umemoto, Kiyotaka ; et al. | 2005-02-24 |
| Switching power supply unit Grant 6,815,939 - Umemoto , et al. November 9, 2 | 2004-11-09 |
| Semiconductor device App 20040218323 - Umemoto, Kiyotaka | 2004-11-04 |
| Power supply apparatus App 20040207375 - Umemoto, Kiyotaka ; et al. | 2004-10-21 |
| DC/DC converter App 20040008528 - Umemoto, Kiyotaka ; et al. | 2004-01-15 |
| Switching device driving apparatus and DC/DC converter incorporating the same App 20030231011 - Umemoto, Kiyotaka ; et al. | 2003-12-18 |
| Power supply unit having multiple power supply outputs App 20030222506 - Otani, Kenji ; et al. | 2003-12-04 |
| Electric power supply unit having improved output voltage response App 20030210022 - Takemura, Ko ; et al. | 2003-11-13 |
| Switching power supply unit App 20030201760 - Umemoto, Kiyotaka ; et al. | 2003-10-30 |
| Multiphase DC/DC converter App 20030185025 - Takemura, Ko ; et al. | 2003-10-02 |
| Power supply device and electric appliance employing the same App 20030098680 - Umemoto, Kiyotaka ; et al. | 2003-05-29 |
| DC-DC converter Grant 6,531,853 - Umemoto March 11, 2 | 2003-03-11 |
| DC-DC converter App 20020060559 - Umemoto, Kiyotaka | 2002-05-23 |
| Switching regulator App 20020060560 - Umemoto, Kiyotaka | 2002-05-23 |
| Switching regulator App 20010054885 - Umemoto, Kiyotaka | 2001-12-27 |
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