MIYAKAWA CORPORATION

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Intl Class Technology # of Patents/ App Rank in Class
 
 
 
F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR 588
 
 
 
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 2113
 
 
 
G01D MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED BY A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR 145

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7,542,107 Method of letting a sufficient quantity of light pass through each of apertures for entry of backlightOct 20, 05Jun 02, 09[G02F]
7,108,415 Optical element with light extracting dots and display device using sameMay 04, 04Sep 19, 06[F21V]
5,485,291 Uniformly thin, high efficiency large area lighting panel with two facet grooves that are spaced apart and have light source facing facets with smaller slopes than the facets facing away from the light sourceFeb 22, 94Jan 16, 96[G01D, F21V, G02F]
5,485,354 Flat panel display lighting systemSep 09, 93Jan 16, 96[F21V]
5,461,547 Flat panel display lighting systemJul 20, 93Oct 24, 95[F21V]
5,420,761 Flat, thin, uniform thickness large area light sourceMay 13, 94May 30, 95[F21V]

Expired/Abandoned/Withdrawn Patents

Patent # Title Filing Date Issue/Pub Date Intl Class
2005/0185,421 Light emitting panel assembliesApr 26, 04Aug 25, 05[B60Q]
5,959,393 Surface mount assembly for incandescent lamps and other electrical componentsApr 02, 97Sep 28, 99[H01J]
5,664,862 Edge light for panel displayAug 09, 96Sep 09, 97[F21V]
5,400,224 Lighting panelMar 15, 94Mar 21, 95[F21V]
4,952,838 Surface mount miniature incandescent lamp assemblyJan 11, 89Aug 28, 90[H01K]

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