Inventor
Yu-Yuan Chang
Inventor
Taipei, TW
Overview
Patents· 26 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 systems21%
G06FElectric digital data processing19%
H02JElectric power networks14%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications12%
G01RMeasuring electric variables5%
H01FMagnets5%
H02HEmergency protective circuit arrangements5%
Y04SSystems integrating technologies related to power network operation, communication or information technologies for improving the electrical power generation, transmission, distribution, management or usage, i.e. smart grids5%
G09GArrangements or circuits for control of indicating devices using static means to present variable information2%
H04LTransmission of digital information, e.g. telegraphic communication2%
PatentTitleYear
10,726,805Source driver and operating method thereof2020D0852151Power supply20199,996,134Method to avoid over-rebooting of power supply device20189,966,794Power supply for redundant power system20189,874,589Inrush current recording module20189,448,605'Redundant power supply system providing rapid start of backup'20169,451,721'Modular redundant power supply'20169,401,627'Redundant power supply system providing alternate standby'20168,924,745'Simulation of first power good signal to generate second power good signal by power enabling control circuit for uninterrupted power supplies'20148,816,532'Redundant power system'20148,766,759'Transformer'20148,648,618'Method and module for judging status of power supplies'20148,612,783'Remote controlled computer system that avoids accidental power cycling by selectively transmitting a manual trigger signal to a motherboard based on the presence of a power activating signal from a connected power supply'20138,542,001'Power circuit for reducing standby power consumption'20138,364,990'Remote controlled power supply system'20138,330,292'Power supply providing an integrated power system'20128,331,117'Multiple power supplies balance system'20128,072,194'Boost snubber circuit structure'20117,956,549'Power conversion structure'20117,903,437'Frequency-changing voltage regulation circuit'20117,898,784'Protection circuit with variable current level limits'20117,843,083'Backup power system equipped with independent protection circuit architecture'20107,723,866'Power backup system'20107,602,621'Half bridge converter'20097,542,310'Synchronous rectification control circuit'20097,492,246'Winding structure of transformer'2009Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2009–2019Patents assigned to ZIPPY TECH CORP (25)· patent assignee history
2009–2013Based in Taipei, TW· patent location history
2011–2014Patents assigned to CHANG YU-YUAN (8)· patent assignee history
2011–2014Patents assigned to CHANG HENG-CHIA (4)· patent assignee history
2012–2014Patents assigned to SHIH TSUN-TE (6)· patent assignee history
2013–2014Patents assigned to SHIH KUANG-LUNG (3)· patent assignee history
2014–2019Based in New Taipei, TW· patent location history
2020Based in Hsinchu, TW· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ZIPPY TECH CORP | 25 | 2009–2019 |
| CHANG YU-YUANself | 8 | 2011–2014 |
| SHIH TSUN-TE | 6 | 2012–2014 |
| CHANG HENG-CHIA | 4 | 2011–2014 |
| SHIH KUANG-LUNG | 3 | 2013–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Taipei, TW | 14 | 2009–2013 |
| New Taipei, TW | 11 | 2014–2019 |
| Hsinchu, TW | 1 | 2020 |