Miyakawa Corporation

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters 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 5105
 
 
 
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 2131
 
 
 
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 159

Top Patents (by citation)

Upgrade to the Professional Level to View Top Patents for this Owner. Learn More

Recent Publications

  • No Recent Publications to Display

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7542107 Method of letting a sufficient quantity of light pass through each of apertures for entry of backlightOct 20, 05Jun 02, 09[G02F]
7108415 Optical element with light extracting dots and display device using sameMay 04, 04Sep 19, 06[F21V]
5485291 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[F21V, G02F, G01D]
5485354 Flat panel display lighting systemSep 09, 93Jan 16, 96[F21V]
5461547 Flat panel display lighting systemJul 20, 93Oct 24, 95[F21V]
5420761 Flat, thin, uniform thickness large area light sourceMay 13, 94May 30, 95[F21V]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2005/0185,421 Light emitting panel assembliesAbandonedApr 26, 04Aug 25, 05[B60Q]
5959393 Surface mount assembly for incandescent lamps and other electrical componentsExpiredApr 02, 97Sep 28, 99[H01J]
5664862 Edge light for panel displayExpiredAug 09, 96Sep 09, 97[F21V]
5400224 Lighting panelExpiredMar 15, 94Mar 21, 95[F21V]
4952838 Surface mount miniature incandescent lamp assemblyExpiredJan 11, 89Aug 28, 90[H01K]

Top Inventors for This Owner

Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More

We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!

We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.