HITACHI PLASMA PATENT LICENSING CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G09G ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION 6145
 
  
 
H01J ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS 1127
 
  
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 1241

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6855026 Method for forming partitions of plasma display panel by using sandblasting processOct 08, 03Feb 15, 05[H01J]
RE37083 Method and apparatus for driving surface discharge plasma display panelJun 06, 97Mar 06, 01[G09G]
6020687 Method for driving a plasma display panelMar 16, 98Feb 01, 00[G09G]
5724054 Method and a circuit for gradationally driving a flat display deviceJul 01, 96Mar 03, 98[G09G]
5420602 Method and apparatus for driving display panelDec 21, 92May 30, 95[G09G]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7855698 Display driving method and apparatusExpiredAug 21, 06Dec 21, 10[G09G]
7755573 Electric charging/discharging apparatus, plasma display panel, and electric charging/discharging methodExpiredJan 31, 05Jul 13, 10[G09G]
2010/0141,560 Plasma Display PanelAbandonedMar 25, 05Jun 10, 10[G09G]
2009/0303,221 FLAT DISPLAY PANEL HAVING INTERNAL POWER SUPPLY CIRCUIT FOR REDUCING POWER CONSUMPTIONAbandonedAug 12, 09Dec 10, 09[G06F]
7530305 Molding material transfer method and substrate structureExpiredJul 06, 05May 12, 09[B41M]
2009/0096,374 Plasma Display PanelAbandonedMar 25, 05Apr 16, 09[H01J]
7473151 Method for manufacturing a substrate for a flat panel display including forming grooves in a surfaceExpiredMay 15, 03Jan 06, 09[H01J]
7455562 Material for manufacturing display panel substrate assembly and process for manufacturing display panel substrate assemblyExpiredOct 20, 04Nov 25, 08[H01J]
2008/0231,551 Discharge Display DeviceAbandonedMar 22, 05Sep 25, 08[H01J, G09G]
2008/0191,600 Display Device and Green PhosphorAbandonedMar 17, 05Aug 14, 08[H01J, C01G]
7391389 Plasma display panel deviceExpiredDec 22, 99Jun 24, 08[G09G]
7164394 Plasma display apparatusExpiredMar 21, 02Jan 16, 07[G09G]
7138335 Method of forming electrode for flat display panelExpiredJul 26, 04Nov 21, 06[H01L]
2006/0226,762 Image display apparatus and a method for manufacturing thereofAbandonedMar 06, 06Oct 12, 06[H01J]
7119766 Display driving method and apparatusExpiredMay 17, 04Oct 10, 06[G09G]
7095390 Display driving method and apparatusExpiredApr 12, 00Aug 22, 06[G09G]
7071621 Color plasma display panel with pixels of three colors having adjustable light intensitiesExpiredDec 13, 99Jul 04, 06[H01J]
7050021 Method and apparatus to provide a high definition display with a display line pitch smaller than a cell arrangement pitch in the column directionExpiredFeb 08, 01May 23, 06[G09G]
7050075 Data conversion circuit and color image display apparatusExpiredJan 21, 03May 23, 06[G09G]
7025649 Method for manufacturing plasma display panel assemblyExpiredDec 22, 04Apr 11, 06[H01J]

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