Polatechno Co., Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 21184
 
  
 
C09B ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES; MORDANTS; LAKES 2023
 
  
 
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 12121
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM8149
 
  
 
C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR392
 
  
 
C08K USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS 2100
 
  
 
B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES 156
 
  
 
B60K ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS; AUXILIARY DRIVES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST, OR FUEL SUPPLY, OF PROPULSION UNITS, IN VEHICLES 192
 
  
 
C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 1124
 
  
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 1115

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0074,242 Optical Laminate Including Infrared Shielding Layer And Polarizing FilmMar 22, 16Mar 15, 18[B60J, B60K, G02B, B32B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9354371 Azo compounds, and dye-based polarizing films and polarizing plates comprising the sameMay 19, 09May 31, 16[G02B, C09B, G02F]
9341746 Azo compound, dye-based polarizing film and polarizing plateJul 30, 15May 17, 16[G02B, C09B]
9341747 Azo compound and salt thereof, and dye-based polarizing film and polarizing plate containing the sameJul 30, 15May 17, 16[G02B, C09B, G02F]
9244194 Azo compound and salt thereof, and dye-based polarizing film and polarizing plate containing the sameFeb 06, 12Jan 26, 16[G02B, C09B, G02F]
9244198 Azo compound, dye-based polarizing film and polarizing plateFeb 06, 12Jan 26, 16[G02B, C09B]
9213130 Azo compound and salt thereof, and dye-containing polarizing film comprising the compound or saltOct 01, 13Dec 15, 15[G02B, C09B]
9180648 Laminate for laminated glassDec 22, 09Nov 10, 15[G02B, G02F, B32B, C08K]
9181479 Retardation elementDec 08, 09Nov 10, 15[C09K, C08F, G02F]
8940059 Azo compound and dye polarizing film containing the sameDec 21, 10Jan 27, 15[G02B, C09B]
8771378 Azo compound and salt thereof, and dye-containing polarizing film comprising the compound or saltNov 17, 10Jul 08, 14[G02B, C09B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0218,628 Polarizer And Polarizing PlateAbandonedSep 05, 12Aug 07, 14[G02B, G02F]
2014/0218,666 Polarizing Element And Polarizing PlateAbandonedSep 05, 12Aug 07, 14[G02B, G02F]
2014/0218,797 Polarizing Element And Polarizing PlateAbandonedSep 05, 12Aug 07, 14[G02B]
2014/0126,054 Dye-Based Polarizing Element And Polarizing PlateAbandonedMay 22, 12May 08, 14[G02B]
2014/0085,721 Dye-Based Polarizing Element And Polarizing PlateAbandonedMay 22, 12Mar 27, 14[G02B]
2014/0087,201 Dye-Based Polarizing Element And Polarizing PlateAbandonedMay 22, 12Mar 27, 14[G02B]
2012/0003,402 Retardation Film Produced by Using Cellulose DerivativeAbandonedAug 29, 11Jan 05, 12[C09K, C08F, C08B, B32B]
2010/0257,678 Azo compound and dye polarizing film containing the sameAbandonedJun 21, 07Oct 14, 10[C09B]
2010/0167,904 POLARIZED GLASS AND METHOD FOR MANUFACTURING THE POLARIZED GLASSAbandonedJun 25, 09Jul 01, 10[C03C]
7514129 Azo compound and polarizing film and polarizing plate each containing the sameExpiredFeb 01, 05Apr 07, 09[G02B, C09B]
7416683 Liquid crystal mixed composition and retardation film using sameExpiredNov 06, 03Aug 26, 08[C09K]
2008/0192,345 Iodine Polarizing Film, a Method for Producing the Same, and a Polarizing Plate Using the SameAbandonedMar 09, 06Aug 14, 08[B29D, G02B, G02F]
7410680 Retardation film made by using cellulose derivativesExpiredAug 26, 04Aug 12, 08[G02F]
2007/0040,970 Contrast ratio improving method for liquid crystal projectorAbandonedAug 14, 06Feb 22, 07[G02F]
2007/0035,681 Polarizing film, polarizing plate and liquid crystal display deviceAbandonedSep 15, 04Feb 15, 07[C09K, G02F]
7163723 Liquid crystalline compound and reterdation difference film using the sameExpiredMay 09, 02Jan 16, 07[G02B]
2006/0114,392 Substrate for vertical alignment and process for producing vertically aligned liquid crystal retardation filmAbandonedFeb 03, 04Jun 01, 06[G02F]
2003/0112,414 Contrast ratio improving method for liquid crystal projectorAbandonedNov 12, 02Jun 19, 03[G03B]
6552849 Color polarizer with support for liquid crystal projector and color liquid crystal projectorExpiredAug 06, 01Apr 22, 03[G02B]

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