CITIZEN FINEDEVICE CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G09G ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION 12139
 
  
 
G01L MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE 1145
 
  
 
G02F DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS 7126
 
  
 
C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR689
 
  
 
G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR562
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 5200
 
  
 
F02D CONTROLLING COMBUSTION ENGINES 370
 
  
 
F02B INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL 270
 
  
 
F02M SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF 281
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 2360

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0058,968 COMBUSTION PRESSURE SENSORMar 02, 16Mar 01, 18[G01L]
2017/0108,408 IN-CYLINDER PRESSURE DETECTING APPARATUSSep 28, 16Apr 20, 17[G01M, F02M, F02B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9841356 Combustion pressure sensorAug 27, 13Dec 12, 17[G01M, G01L]
9835523 Combustion pressure detection device, and internal combustion engine equipped with combustion pressure detection deviceFeb 27, 13Dec 05, 17[G01M, G01L, F02D]
9799501 Sample mounting plateJul 24, 14Oct 24, 17[H01J]
9562191 Compositions and methods for removing ions from liquid crystal materialsApr 01, 15Feb 07, 17[C09K, G01N, B01J, B01D]
9222424 Internal combustion engine fitted with combustion pressure detection deviceMar 15, 13Dec 29, 15[G01L, F02B, F02D]
9111497 Apparatus and associated methods for dynamic sequential display updateAug 03, 11Aug 18, 15[G09G]
9005466 Highly insulative and highly stable piezoelectric single LTGA crystal, method for producing the same, piezoelectric element using said single LTGA crystal, and combustion pressure sensorMar 09, 11Apr 14, 15[H01L, G01L, F02D, C30B]
8915125 Cylinder internal-pressure sensor for engineMar 29, 12Dec 23, 14[G01M, G01L, F02D, F02F]
8847870 Voltage conversion apparatus suitable for a pixel driver and methodsOct 27, 11Sep 30, 14[G09G]
8816999 Adjustment of liquid crystal display voltageMay 27, 11Aug 26, 14[G09G]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
9175620 Internal combustion engine fitted with combustion pressure detection deviceWithdrawnMar 15, 13Nov 03, 15[G01L, F02B, F02D]
8337020 Polarization conversion and color-combination techniques for pico projector illuminatorsExpiredNov 02, 09Dec 25, 12[G03B]
8323041 Connectors for connecting a projector module to an application moduleExpiredFeb 17, 11Dec 04, 12[H01R]
7425281 Liquid crystal compositions comprising an organogermanium compound and methods for using the sameExpiredDec 02, 05Sep 16, 08[C09K]
6838128 High polarization dopants for ferroelectric liquid crystal compositionsExpiredFeb 05, 02Jan 04, 05[C09K, C07D]
6783812 Alkyl silane liquid crystal compoundsExpiredJan 03, 01Aug 31, 04[C09K, C07F, C07D]
6759101 Liquid crystalline materials containing perfluoroalkyl and alkenyl tail groupsExpiredJan 03, 01Jul 06, 04[C09K, C07D, C07C]

Top Inventors for This Owner

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