Inventor
Hongjian Gan
Inventor
Shanghai, CN
Overview
Patents· 22 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Mprimary
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems44%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications28%
Y02PClimate change mitigation technologies in the production or processing of goods10%
G05FSystems for regulating electric or magnetic variables4%
H03KPulse technique4%
H02HEmergency protective circuit arrangements2%
H02JElectric power networks2%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters2%
H05KPrinted circuits2%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution2%
PatentTitleYear
10,056,821Power conversion system and method for suppressing the common-mode voltage thereof20189,893,525'High-power conversion system'20189,538,680'Laminated busbar for power converter and the converter thereof'20179,263,939'Capacitor discharging circuit and converter'20169,025,350'Cascaded H-Bridge medium voltage drive, power cell and bypass module thereof'20158,953,347'Capacitor discharging circuit and power converter'20158,773,879'Bridgeless PFC circuit system having current sensing circuit and controlling method thereof'20148,736,238'Buck and buck/boost converter systems having auxiliary circuits and method thereof'20148,625,319'Bridgeless PFC circuit for critical continuous current mode and controlling method thereof'20147,884,496'Large power multi-outputs power supply structure having relatively high efficiency in load range and controlling method thereof'20117,630,221'Bridgeless PFC circuit for CRM and controlling method thereof'20097,532,493'Power supply with low standby loss'20097,518,263'Time delay control scheme for a power supply with multiple outputs'20097,495,934'Adaptive synchronous rectification control circuit and method thereof'20097,200,013'Power supply device and single photo-coupler control circuit thereof'20077,184,280'LLC series resonant converter and the driving method for the synchronous rectification power switches thereof'20077,173,833'Energy efficient power supply device and operating method thereof'20077,106,130'Variable frequency PWM controller circuit'20067,034,513'Power supply having efficient low power standby mode'20066,987,679'Multiple output converter with improved cross regulation'20066,807,071'Transformer isolated driver'20046,639,814'Constant voltage reset circuit for forward converter'2003Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2003–2017Patents assigned to DELTA ELECTRONICS INC (17)· patent assignee history
2003–2006Based in Taoyuan, TW· patent location history
2004–2006Based in Taipei, TW· patent location history
2007–2017Based in Taoyuan County, TW· patent location history
2009–2018Based in Shanghai, CN· patent location history
2014–2016Patents assigned to GAN HONGJIAN (5)· patent assignee history
2014–2016Patents assigned to JIN HONGYUAN (4)· patent assignee history
2015–2018Patents assigned to DELTA ELECTRONICS SHANGHAI CO (5)· patent assignee history
2015–2016Patents assigned to WANG BAOCHEN (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DELTA ELECTRONICS INC | 17 | 2003–2017 |
| DELTA ELECTRONICS SHANGHAI CO | 5 | 2015–2018 |
| GAN HONGJIANself | 5 | 2014–2016 |
| JIN HONGYUAN | 4 | 2014–2016 |
| WANG BAOCHEN | 2 | 2015–2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Shanghai, CN | 12 | 2009–2018 |
| Taoyuan County, TW | 5 | 2007–2017 |
| Taipei, TW | 3 | 2004–2006 |
| Taoyuan, TW | 2 | 2003–2006 |