IGARASHI; Seiki
Patent Applications and Registrations
Patent applications and USPTO patent grants for IGARASHI; Seiki.The latest application filed is for "driving apparatus, semiconductor apparatus, and driving method".
- IGARASHI; Seiki - Saitama-city JP
- Igarashi; Seiki - Saitama JP
- Igarashi; Seiki - Saitama-shi JP
- Igarashi; Seiki - Tokyo JP
- Igarashi; Seiki - Kawasaki JP
| Patent | Date |
|---|---|
| Driving Apparatus, Semiconductor Apparatus, And Driving Method App 20220190706 - IGARASHI; Seiki | 2022-06-16 |
| Semiconductor Oscillation Suppression Circuit App 20220052608 - YUKAWA; Fumio ; et al. | 2022-02-17 |
| Semiconductor device and oscillation suppressing device Grant 10,566,966 - Matsuda , et al. Feb | 2020-02-18 |
| Semiconductor Device And Oscillation Suppressing Device App 20180309438 - MATSUDA; Naotaka ; et al. | 2018-10-25 |
| System linking apparatus for generated electric power Grant 7,433,212 - Igarashi , et al. October 7, 2 | 2008-10-07 |
| System linking apparatus for generated electric power App 20060114696 - Igarashi; Seiki ; et al. | 2006-06-01 |
| Switching power supply circuit Grant 6,657,873 - Igarashi December 2, 2 | 2003-12-02 |
| Switching power supply circuit App 20030058664 - Igarashi, Seiki | 2003-03-27 |
| Electric power conversion apparatus App 20020075702 - Igarashi, Seiki ; et al. | 2002-06-20 |
| Switching power supply using an input DC power supply Grant 6,339,262 - Igarashi , et al. January 15, 2 | 2002-01-15 |
| On-delay-compensating arm on-detection circuit Grant 6,288,595 - Hirakata , et al. September 11, 2 | 2001-09-11 |
| Switching power supply App 20010019490 - Igarashi, Seiki ; et al. | 2001-09-06 |
| Switching power supply Grant 6,111,762 - Igarashi , et al. August 29, 2 | 2000-08-29 |
| Switching power supply with power factor control Grant 6,108,218 - Igarashi , et al. August 22, 2 | 2000-08-22 |
| Variable frequency soft switching power supply with reduced noise and improved power factor Grant 6,061,253 - Igarashi , et al. May 9, 2 | 2000-05-09 |
| Gate drive circuit for power converters that reduces surge voltages Grant 5,936,387 - Tabata , et al. August 10, 1 | 1999-08-10 |
| Circuit for balancing steady-state currents of switching devices in electric power converter Grant 5,889,663 - Tabata , et al. March 30, 1 | 1999-03-30 |
| Power transistor module wiring structure Grant 5,616,955 - Yamada , et al. April 1, 1 | 1997-04-01 |
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