SUN-A CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 6200
 
  
 
G01F MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME 554
 
  
 
G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR364
 
  
 
F01N GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES 271
 
  
 
2301 FLUID DISTRIBUTION EQUIPMENT248
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF178
 
  
 
F02P IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES 138

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9689843 Fluid state identification deviceOct 04, 13Jun 27, 17[G01N, F01N, G01F]
7971425 Urea concentration identifying system, method for indentifying urea concentration and automobile exhaust gas reducing system using same, and method for reducing automobile exhaust gasSep 10, 03Jul 05, 11[F01N]
D631942 Tank elementAug 06, 08Feb 01, 11[2301]
D631943 Tank elementAug 06, 08Feb 01, 11[2301]
7722813 Urea concentration identification device for urea solutionSep 10, 04May 25, 10[C01B, G01N]
7647844 Device and method of detecting flow rate/liquid kind, and device and method of detecting liquid kindDec 14, 07Jan 19, 10[G01F]
7493802 Liquid type identification deviceJan 25, 05Feb 24, 09[G01N]
7469574 Liquid type identifying method and liquid type identifying deviceMay 17, 05Dec 30, 08[G01N]
7377185 Device and method of detecting flow rate/liquid kind, and device and method of detecting liquid kindJul 09, 04May 27, 08[G01F]
7367711 Type identification system for diesel oil and method for identifying type of diesel oilJul 09, 04May 06, 08[G01N]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2011/0272,768 Lead Frame and Method of Producing Lead FrameAbandonedSep 12, 08Nov 10, 11[H01L]
7647820 Device for detecting leakage of liquid in tankExpiredNov 21, 05Jan 19, 10[G01M]
7574897 Device for detecting leakage of liquid in tankExpiredNov 21, 05Aug 18, 09[G01M]
7536900 Leak detector and leak detecting system using the sameExpiredJun 30, 04May 26, 09[G01M]
7058532 FlowmeterExpiredOct 30, 00Jun 06, 06[G01F]
6983214 Flow rate measuring method and flow-meterExpiredAug 10, 01Jan 03, 06[G01F]

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