HANGZHOU SILAN MICROELECTRONICS CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF 696
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 5357
 
  
 
B81B MICRO-STRUCTURAL DEVICES OR SYSTEMS, e.g. MICRO-MECHANICAL DEVICES 132
 
  
 
B81C PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICRO-STRUCTURAL DEVICES OR SYSTEMS 131
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 1446
 
  
 
G08C TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS 154
 
  
 
H03B GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS 162
 
  
 
H03K PULSE TECHNIQUE 1130
 
  
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 1110

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0033,676 ISOLATION STRUCTURE AND MANUFACTURING METHOD THEREOF FOR HIGH-VOLTAGE DEVICE IN A HIGH-VOLTAGE BCD PROCESSOct 06, 17Feb 01, 18[H01L]
2017/0194,958 COMPOSITE DEVICE AND SWITCHING POWER SUPPLYApr 16, 15Jul 06, 17[H03K, H01L]
2017/0081,176 MEMS DEVICE, SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING THE SAMEDec 28, 15Mar 23, 17[H01L, B81C, B81B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9866214 Composite device and switching power supplyApr 16, 15Jan 09, 18[H03K, H01L]
9824913 Isolation structure and manufacturing method thereof for high-voltage device in a high-voltage BCD processMar 29, 13Nov 21, 17[H01L]
9263956 Switch-mode power supply control apparatus and flyback switch-mode power supply including the control apparatusMay 25, 12Feb 16, 16[H02M]
9084318 Primary-side controlled switch-mode power supply controller for driving LED with constant current and method thereofSep 07, 12Jul 14, 15[H05B]
8994462 Circuit and method of frequency jitter, and application thereof in switched-mode power supply (SMPS)Aug 19, 10Mar 31, 15[H03K, H02M, H03B, H04B, G06F]
8520416 Current reference generating circuit and a constant current switch mode power supply control circuit and method thereofOct 26, 12Aug 27, 13[H02M]
8488337 Offline AC-DC controller circuit and a converter comprising the sameOct 12, 12Jul 16, 13[H02M]
8422259 Switch-mode power supply and apparatus for compensating inductor current peakJan 27, 12Apr 16, 13[H02M]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7639170 System and method for providing operation of internet powered universal remote controllerExpiredAug 25, 06Dec 29, 09[G08C]

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