Inventor
Yu-Ming Chang
Inventor
Pingtung County, TW
Overview
Patents· 48 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 systems19%
G06FElectric digital data processing17%
G11CStatic stores16%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications11%
H02JElectric power networks7%
B60LPropulsion of electrically-propelled vehicles5%
Y02TClimate change mitigation technologies related to transportation5%
G09GArrangements or circuits for control of indicating devices using static means to present variable information2%
G11BInformation storage based on relative movement between record carrier and transducer2%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution2%
PatentTitleYear
10,752,118Electric vehicle charging circuit and control method thereof202010,615,698Resonant power converter and control method thereof202010,445,008Data management method for memory and memory apparatus201910,224,825Primary side feedback control for a resonant converter with a transformer model201910,120,605Data allocating method and electric system using the same201810,108,555Memory system and memory management method thereof201810,007,446Method, apparatus, and storage medium for writing data into persistent storage device20189,823,961'Memory controller and operating method thereof'20179,817,588'Memory device and operating method of same'20179,812,961'Direct current conversion device and operation method of the same'20179,760,478'Read leveling method and memory device using the same'20179,754,637'Erasing method and memory device using the same'20179,740,602'Memory orprating method and memory device using the same'20179,734,912'Reprogramming single bit memory cells without intervening erasure'20179,627,072'Variant operation sequences for multibit memory'20179,621,070'Power supply with multiple converters and averaged feedforward control'20179,558,108'Half block management for flash storage devices'20179,478,288'Method for programming memory device and associated memory device'20169,466,384'Memory device and associated erase method'20169,457,672'Charging apparatus with dynamical charging power and method of operating the same'20169,420,377'Audio playback device'20169,362,827'Soft-switching bi-directional power converter and method of operating the same'20169,348,748'Heal leveling'20169,331,579'Power balancing method for multiple module power supply using averaged feedback'20169,318,908'Anti-theft charging system'20169,305,638'Operation method for memory device'20169,240,157'Timing controller, source driving device, panel driving device, display device and driving method for reducing power consumption through reducing standby durations'20169,236,755'Charging system for reducing harmonic wave and fabricating cost'20169,142,194'Transmission method for display device'20159,025,375'Memory disturb reduction for nonvolatile memory'20159,019,731'High-power medium-voltage drive power cell having power elements disposed on both sides of base plate'20158,693,197'Heat sink device'20148,473,711'Apparatus for predicting memory access and method thereof'20138,095,944'Slot-in optical disk drive'20128,046,513'Out-of-order executive bus system and operating method thereof'20118,043,414'Method and apparatus for desorption and dehumidifier using the same'20118,042,128'Slot-in optical disk drive'20117,729,139'Current source inverter with energy clamp circuit and controlling method thereof having relatively better effectiveness'20107,484,077'Skipping unnecessary instruction by multiplex selector using next instruction offset stride signal generated from instructions comparison results'20097,433,209'Soft-switching DC/DC converter having relatively better effectiveness'20087,215,101'Soft-switching DC/DC converter having relatively fewer elements'20076,987,675'Soft-switched power converters'20066,984,964'Soft-switching three-phase power factor correction converter'20066,788,032'Softing switching DC-to-DC converter with an active power sink circuit'20046,611,130'Zero voltage, zero current switching power factor correction converter with low conduction loss and low switching loss'20036,498,463'Boost converter with zero voltage main switch and zero current auxiliary switches'20026,115,268'Method and apparatus for supplying uninterrupted power'20005,659,207'Uninterrupted power supply with a controlled operation of alternately charging and discharging of inductances'1997Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1997–2020Patents assigned to DELTA ELECTRONICS INC (20)· patent assignee history
2000–2020Based in Taoyuan, TW· patent location history
2008–2016Based in Taoyuan County, TW· patent location history
2009–2013Patents assigned to REALTEK SEMICONDUCTOR CORP (3)· patent assignee history
2012–2016Patents assigned to CHANG YU-MING (6)· patent assignee history
2014–2015Patents assigned to DELTA ELECTRONICS SHANGHAI CO (2)· patent assignee history
2015–2019Patents assigned to MACRONIX INT CO LTD (17)· patent assignee history
2015–2018Based in Jiadong Township, TW· patent location history
2016–2019Based in Pingtung County, TW· patent location history
2016–2017Based in Hsinchu, TW· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DELTA ELECTRONICS INC | 20 | 1997–2020 |
| MACRONIX INT CO LTD | 17 | 2015–2019 |
| CHANG YU-MINGself | 6 | 2012–2016 |
| REALTEK SEMICONDUCTOR CORP | 3 | 2009–2013 |
| DELTA ELECTRONICS SHANGHAI CO | 2 | 2014–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Pingtung County, TW | 13 | 2016–2019 |
| Taoyuan, TW | 10 | 2000–2020 |
| Taoyuan County, TW | 6 | 2008–2016 |
| Jiadong Township, TW | 3 | 2015–2018 |
| Hsinchu, TW | 3 | 2016–2017 |