FURUKOSHI; Ryuichi
Patent Applications and Registrations
Patent applications and USPTO patent grants for FURUKOSHI; Ryuichi.The latest application filed is for "integrated circuit and method of digitally controling critical mode power factor correction circuit".
- FURUKOSHI; Ryuichi - Niiza-Shi JP
- Furukoshi; Ryuichi - Niiza JP
- Furukoshi; Ryuichi - Saitama JP
- Furukoshi; Ryuichi - Asaka JP
- FURUKOSHI; Ryuichi - Asaka-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 |
| 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 |
| Current resonance type power supply device Grant 9,871,455 - Ohtake , et al. January 16, 2 | 2018-01-16 |
| Current resonance type power supply device Grant 9,774,262 - Ohtake , et al. September 26, 2 | 2017-09-26 |
| 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 |
| Power Factor Correction Circuit App 20160285358 - OHTAKE; Osamu ; et al. | 2016-09-29 |
| Current resonance type power supply device Grant 9,444,352 - Ohtake , et al. September 13, 2 | 2016-09-13 |
| 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 |
| Drive circuit Grant 9,025,348 - Ozawa , et al. May 5, 2 | 2015-05-05 |
| Current Resonance Type Power Supply Device App 20150092453 - OHTAKE; Osamu ; et al. | 2015-04-02 |
| Drive Circuit App 20130070487 - OZAWA; Keiichiro ; et al. | 2013-03-21 |
| Device for driving switching elements Grant 7,764,089 - Iwabuchi , et al. July 27, 2 | 2010-07-27 |
| Power converter Grant 7,567,443 - Shiga , et al. July 28, 2 | 2009-07-28 |
| Device For Driving Switching Elements App 20090045851 - Iwabuchi; Akio ; et al. | 2009-02-19 |
| Switching power supply apparatus Grant 7,492,614 - Furukoshi , et al. February 17, 2 | 2009-02-17 |
| DC converter Grant 7,382,633 - Aso , et al. June 3, 2 | 2008-06-03 |
| Synchronous commutation DC-DC converter Grant 7,330,365 - Usui , et al. February 12, 2 | 2008-02-12 |
| Switching Power Supply Apparatus App 20070274104 - Furukoshi; Ryuichi ; et al. | 2007-11-29 |
| DC converter Grant 7,203,080 - Aso , et al. April 10, 2 | 2007-04-10 |
| Power converter App 20070076446 - Shiga; Toshitaka ; et al. | 2007-04-05 |
| Synchronous commutation dc-dc converter App 20070008757 - Usui; Hiroshi ; et al. | 2007-01-11 |
| Power source apparatus Grant 7,154,762 - Furukoshi , et al. December 26, 2 | 2006-12-26 |
| DC converter App 20060215424 - Aso; Shinji ; et al. | 2006-09-28 |
| DC converter App 20060146584 - Aso; Shinji ; et al. | 2006-07-06 |
| Power source apparatus App 20050219864 - Furukoshi, Ryuichi ; et al. | 2005-10-06 |
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