Cosel 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 498
 
  
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 397

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9240719 Switching power supply deviceJul 25, 12Jan 19, 16[H02M]
8400120 Switching power supply unitOct 25, 10Mar 19, 13[G05F]
8320145 Switching power source device and drive method thereofNov 26, 08Nov 27, 12[H02M]
8278896 Switching power supply deviceMay 01, 09Oct 02, 12[G05F]
7208926 Switching signal modulation circuitNov 17, 04Apr 24, 07[G05F]
7116562 Synchronous rectification switching power supplyNov 18, 03Oct 03, 06[H02M]
D478309 Power supply apparatusMar 17, 00Aug 12, 03[1301]
D442913 Power supply apparatusMar 17, 00May 29, 01[1302]
D442914 Power supply apparatusMar 17, 00May 29, 01[1302]
D432080 Power supply apparatusJul 19, 99Oct 17, 00[1302]

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