OHTAKE; Osamu
Patent Applications and Registrations
Patent applications and USPTO patent grants for OHTAKE; Osamu.The latest application filed is for "integrated circuit and method of digitally controling critical mode power factor correction circuit".
- OHTAKE; Osamu - Niiza-Shi JP
- Ohtake; Osamu - Niiza JP
- Ohtake; Osamu - Saitama JP
- OHTAKE; Osamu - Saitama-Shi JP
| Patent | Date |
|---|---|
| Integrated Circuit And Method Of Digitally Controling Critical Mode Power Factor Correction Circuit App 20220294337 - OHTAKE; Osamu ; et al. | 2022-09-15 |
| Integrated Circuit And Method Of Synchronous Rectification Control Of Bridgeless Power Factor Correction Circuit App 20220271654 - OHTAKE; Osamu ; et al. | 2022-08-25 |
| Control apparatus and method for current resonance circuit and current resonance power supply Grant 10,910,952 - Furukoshi , et al. February 2, 2 | 2021-02-02 |
| Power conversion device and control circuit Grant 10,879,786 - Takada , et al. December 29, 2 | 2020-12-29 |
| Alternating-current voltage detection circuit Grant 10,826,311 - Ohtake November 3, 2 | 2020-11-03 |
| Power Conversion Device And Control Circuit App 20200186036 - TAKADA; Junichi ; et al. | 2020-06-11 |
| Power conversion device and control circuit Grant 10,608,536 - Takada , et al. | 2020-03-31 |
| Device and method for calculating switching time Grant 10,608,526 - Ohtake , et al. | 2020-03-31 |
| Device and Method for Calculating Switching Time App 20200067403 - OHTAKE; Osamu ; et al. | 2020-02-27 |
| Power Conversion Device And Control Circuit App 20190312512 - TAKADA; Junichi ; et al. | 2019-10-10 |
| Power conversion device and control circuit including stop transitioning to stop state Grant 10,389,247 - Takada , et al. A | 2019-08-20 |
| Alternating-current Voltage Detection Circuit App 20190148962 - OHTAKE; Osamu | 2019-05-16 |
| Capacitor discharge circuit Grant 10,224,730 - Ohtake | 2019-03-05 |
| Power Conversion Device And Control Circuit App 20190006945 - TAKADA; Junichi ; et al. | 2019-01-03 |
| Current resonant power supply device Grant 9,985,536 - Sugahara , et al. May 29, 2 | 2018-05-29 |
| Current resonant power supply device Grant 9,979,297 - Sugahara , et al. May 22, 2 | 2018-05-22 |
| Current Resonant Power Supply Device App 20180041131 - SUGAHARA; Takeki ; et al. | 2018-02-08 |
| Current Resonant Power Supply Device App 20180041129 - SUGAHARA; Takeki ; et al. | 2018-02-08 |
| Current resonance type power supply device Grant 9,871,455 - Ohtake , et al. January 16, 2 | 2018-01-16 |
| Capacitor Discharge Circuit App 20170346325 - OHTAKE; Osamu | 2017-11-30 |
| Current resonance type power supply device Grant 9,774,262 - Ohtake , et al. September 26, 2 | 2017-09-26 |
| Switching control circuit and switching power-supply device Grant 9,754,740 - Sugahara , et al. September 5, 2 | 2017-09-05 |
| Power factor correction circuit having bottom skip controller Grant 9,716,427 - Ohtake , et al. July 25, 2 | 2017-07-25 |
| Current Resonance Type Power Supply Device App 20170207714 - OHTAKE; Osamu ; et al. | 2017-07-20 |
| Switching Control Circuit And Switching Power-supply Device App 20170154739 - SUGAHARA; Takeki ; et al. | 2017-06-01 |
| Current resonant power supply device Grant 9,564,826 - Sugahara , et al. February 7, 2 | 2017-02-07 |
| Power Factor Correction Circuit App 20160285358 - OHTAKE; Osamu ; et al. | 2016-09-29 |
| Switching power-supply device Grant 9,455,640 - Ohtake September 27, 2 | 2016-09-27 |
| Current resonance type power supply device Grant 9,444,352 - Ohtake , et al. September 13, 2 | 2016-09-13 |
| Switching Power-Supply Device App 20160248332 - Ohtake; Osamu | 2016-08-25 |
| LED lighting apparatus Grant 9,338,844 - Ohtake May 10, 2 | 2016-05-10 |
| Switching power-supply device Grant 9,331,584 - Ohtake May 3, 2 | 2016-05-03 |
| Low current protection circuit Grant 9,306,383 - Ohtake April 5, 2 | 2016-04-05 |
| Current Resonant Power Supply Device App 20160065075 - SUGAHARA; Takeki ; et al. | 2016-03-03 |
| Switching Power-Supply Device App 20150381055 - Ohtake; Osamu | 2015-12-31 |
| Current Resonance Type Power Supply Device App 20150280577 - OHTAKE; Osamu ; et al. | 2015-10-01 |
| Current Resonant Power Source Apparatus App 20150256088 - OHTAKE; Osamu ; et al. | 2015-09-10 |
| Led Lighting Apparatus App 20150245432 - OHTAKE; Osamu | 2015-08-27 |
| Current Resonance Type Power Supply Device App 20150092453 - OHTAKE; Osamu ; et al. | 2015-04-02 |
| Low Current Protection Circuit App 20150029628 - Ohtake; Osamu | 2015-01-29 |
| Constant current power supply device Grant 8,547,028 - Ohtake October 1, 2 | 2013-10-01 |
| Constant Current Power Supply Device App 20120161654 - OHTAKE; Osamu | 2012-06-28 |
| DC converter Grant 7,382,633 - Aso , et al. June 3, 2 | 2008-06-03 |
| DC converter App 20060215424 - Aso; Shinji ; et al. | 2006-09-28 |
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