Nitto Jushi Kogyo Kabushiki Kaisha

Patent Owner

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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
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 2203
 
  
 
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

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6241358 Tandem lighting panelNov 12, 99Jun 05, 01[F21V]
6222689 Surface light source device and asymmetrical prism sheetOct 28, 98Apr 24, 01[G02B]
6217184 Light source device with uniformity in color temperature of emissionNov 12, 98Apr 17, 01[F21V]
6199994 Surface light source device of side light typeOct 31, 97Mar 13, 01[F21V]
5993020 Light scattering and guiding light source device and liquid crystal displayMay 16, 97Nov 30, 99[G02B]
5966192 Surface light source device and a liquid crystal displayNov 04, 96Oct 12, 99[F21V, G02F]
5914759 Surface light source device, liquid crystal display and asymmetric prism sheetSep 30, 97Jun 22, 99[G02F]
5887964 Surface light source device and liquid crystal displayJun 09, 97Mar 30, 99[F21V]

Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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