Hagino; Koichi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hagino; Koichi.The latest application filed is for "sound and music playback device".
- Hagino; Koichi - Kawanishi-shi JP
- Hagino; Koichi - Hyogo JP
- Hagino; Koichi - Kawanishi JP
| Patent | Date |
|---|---|
| Sound And Music Playback Device App 20110187452 - Imai; Yukihiro ; et al. | 2011-08-04 |
| Switching power supply circuit Grant 7,884,584 - Furuse , et al. February 8, 2 | 2011-02-08 |
| Output circuit Grant 7,663,406 - Hagino February 16, 2 | 2010-02-16 |
| Switching Power Supply Circuit App 20100013447 - FURUSE; Katsuhisa ; et al. | 2010-01-21 |
| Electric power supply circuit and electronic device Grant 7,646,179 - Hagino January 12, 2 | 2010-01-12 |
| Compact voltage step-up/step-down switching regulator Grant 7,619,400 - Hagino November 17, 2 | 2009-11-17 |
| Power supply device, and LED device and electronic device using same Grant 7,564,196 - Shiwaya , et al. July 21, 2 | 2009-07-21 |
| Output Circuit App 20090072864 - HAGINO; Koichi | 2009-03-19 |
| Power Supply Device, And Led Device And Electronic Device Using Same App 20080231209 - Shiwaya; Yohichi ; et al. | 2008-09-25 |
| Electric power supply circuit and electronic device App 20070216386 - Hagino; Koichi | 2007-09-20 |
| Compact voltage step-up/step-down switching regulator App 20070120546 - Hagino; Koichi | 2007-05-31 |
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