DONGBU ELECTRONICS CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 150217
 
  
 
G11C STATIC STORES 2149
 
  
 
A61M DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY 1153
 
  
 
G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS198
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 1204
 
  
 
H01G CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE 165
 
  
 
H01J ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS 1127

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8203196 Image sensorJun 05, 09Jun 19, 12[H01L]
8174121 Semiconductor device and manufacturing method thereofAug 27, 08May 08, 12[H01L]
7977770 Semiconductor device and method of manufacturing the sameJun 11, 08Jul 12, 11[H01L]
7960839 Semiconductor interconnection line and method of forming the sameApr 20, 07Jun 14, 11[H01L]
7948022 Flash memory device and method for manufacturing the sameJan 29, 09May 24, 11[H01L]
7943448 Semiconductor device and method of manufacturing the sameDec 12, 06May 17, 11[H01L]
7906399 Narrow width metal oxide semiconductor transistorMar 31, 09Mar 15, 11[H01L]
7833199 Trocar seal with retraction induced hingeOct 11, 06Nov 16, 10[A61M]
7732871 MOS transistor and manufacturing method thereofJun 02, 09Jun 08, 10[H01L]
7688642 Non-volatile memory device and method for programming/erasing the sameMay 04, 07Mar 30, 10[G11C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0135,761 SEALING STRUCTURE FOR A CENTRAL WALL FOR A REFRIGERATOR, AND A REFRIGERATOR HAVING THE SAMEAbandonedDec 13, 13May 21, 15[F25D]
8338881 Flash memory device and method for fabricating the sameExpiredMay 22, 09Dec 25, 12[H01L]
8178441 Semiconductor device and method for manufacturing the sameExpiredJul 21, 05May 15, 12[H01L]
8092986 Exposure methodsExpiredDec 28, 04Jan 10, 12[G03F]
8021946 Nonvolatile memory device and method for fabricating the sameExpiredJun 22, 09Sep 20, 11[H01L]
7977753 High voltage BICMOS device and method for manufacturing the sameExpiredJul 20, 09Jul 12, 11[H01L]
7977794 Aluminum metal line of a semiconductor device and method of fabricating the sameExpiredJan 09, 09Jul 12, 11[H01L]
7973342 CMOS image sensor and method for manufacturing the sameExpiredFeb 23, 09Jul 05, 11[H01L]
7973347 Complementary metal oxide silicon image sensor and method of fabricating the sameExpiredJan 29, 10Jul 05, 11[H01L]
7923326 Memory device and method for manufacturing the sameExpiredAug 27, 09Apr 12, 11[H01L]
7923777 Power semiconductor device and method for manufacturing the sameExpiredSep 03, 09Apr 12, 11[H01L]
7893437 Semiconductor device and manufacturing method thereofExpiredMar 21, 08Feb 22, 11[H01L]
7883966 Memory device and method for manufacturing the sameExpiredAug 27, 09Feb 08, 11[H01L]
7875524 Method of fabricating an inductor for a semiconductor deviceExpiredDec 22, 06Jan 25, 11[H01L]
7838413 Method of manufacturing phase-change memory elementExpiredDec 26, 06Nov 23, 10[H01L]
7816259 Method of forming a contact in a semiconductor deviceExpiredOct 24, 05Oct 19, 10[H01L]
7811894 Bipolar junction transistor and manufacturing method thereofExpiredMay 11, 09Oct 12, 10[H01L]
7811928 Semiconductor devices and fabrication methods thereofExpiredNov 01, 07Oct 12, 10[H01L]
7807996 Test pattern of CMOS image sensor and method of measuring process management using the sameExpiredOct 11, 06Oct 05, 10[H01L]
7790547 Non-volatile memory device and method for fabricating the sameExpiredDec 27, 06Sep 07, 10[H01L]

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