Fujitsu Kasei Limited

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
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 1132

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5550657 Liquid crystal display device having an optimized ridged layer to improve luminositySep 10, 93Aug 27, 96[G02F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7015632 Light source device, method of producing the same, and display apparatusExpiredMar 28, 02Mar 21, 06[H01J]
6474826 Lighting apparatusExpiredNov 27, 00Nov 05, 02[F21V]
5909819 Box-shaped plastic housing of integrally molded resinExpiredJul 09, 93Jun 08, 99[B65D]
5254304 Injection molding process for producing a box-shaped plastic housingExpiredOct 15, 91Oct 19, 93[B29C]
5040098 Backlight for an electronic displayExpiredApr 11, 90Aug 13, 91[F21V]
4920441 Flexible magnetic disketteExpiredMay 20, 88Apr 24, 90[G11B]

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