YEH-CHIANG TECHNOLOGY CORP.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F28D HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT 243
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9897392 Heat conduction device and manufacturing method thereofMay 17, 16Feb 20, 18[B23P, F28D]
7581878 Measuring system and screening method for thermal conductive efficiencies of thermal conductive devicesDec 22, 05Sep 01, 09[G01K, G01N]
7543629 Type of loop heat conducting deviceMay 02, 06Jun 09, 09[F28D, H05K]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8157421 Light emitting diode lampExpiredJan 07, 10Apr 17, 12[F21V]
8021025 LED lampExpiredJan 15, 09Sep 20, 11[F21V]
2010/0319,882 ULTRA-THIN HEAT PIPE AND MANUFACTURING METHOD THEREOFAbandonedDec 30, 09Dec 23, 10[F28D, B21D]
2010/0279,039 Heat pipe and method for manufacturing the sameAbandonedOct 06, 09Nov 04, 10[B32B]
2010/0266,864 Ultra-thin heat pipeAbandonedOct 06, 09Oct 21, 10[B32B]
2010/0177,521 Led lampAbandonedJan 14, 09Jul 15, 10[F21V]
2006/0096,739 End sealing structure for heat pipeAbandonedJun 02, 05May 11, 06[F28D]
2006/0002,091 Micro heat spreaderAbandonedNov 09, 04Jan 05, 06[H05K]
2005/0285,257 Encapsulated device with heat isolating structureAbandonedNov 09, 04Dec 29, 05[H01L]

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